/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.abstract-por-f0ea240 [2022-02-10 23:42:54,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:42:54,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:42:54,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:42:54,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:42:54,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:42:54,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:42:54,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 23:42:54,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:42:54,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:42:54,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:42:54,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:42:54,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:42:54,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:42:54,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:42:54,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:42:54,747 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:42:54,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:42:54,748 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:42:54,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:42:54,749 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:42:54,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:42:54,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:42:54,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:42:54,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:42:54,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:42:54,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:54,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:42:54,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:42:54,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:42:54,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:42:54,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:42:54,752 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:42:54,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:42:54,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:42:54,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:42:54,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:42:54,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:42:54,969 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:42:54,970 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:42:54,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-02-10 23:42:55,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a2e772a/32c2c23f4fbd48c3b83360ee6a1f9d9b/FLAG083342c92 [2022-02-10 23:42:55,495 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:42:55,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-02-10 23:42:55,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a2e772a/32c2c23f4fbd48c3b83360ee6a1f9d9b/FLAG083342c92 [2022-02-10 23:42:55,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a2e772a/32c2c23f4fbd48c3b83360ee6a1f9d9b [2022-02-10 23:42:55,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:42:55,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:42:55,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:55,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:42:55,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:42:55,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:55" (1/1) ... [2022-02-10 23:42:55,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203c4124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:55, skipping insertion in model container [2022-02-10 23:42:55,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:55" (1/1) ... [2022-02-10 23:42:55,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:42:55,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:42:55,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:55,939 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:42:55,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:56,049 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:42:56,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56 WrapperNode [2022-02-10 23:42:56,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:56,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:56,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:42:56,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:42:56,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,120 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-02-10 23:42:56,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:56,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:42:56,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:42:56,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:42:56,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:42:56,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:42:56,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:42:56,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:42:56,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (1/1) ... [2022-02-10 23:42:56,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:56,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:56,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 23:42:56,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:42:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:42:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:42:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:42:56,247 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:42:56,390 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:42:56,391 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:42:56,577 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:42:56,584 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:42:56,584 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-10 23:42:56,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:56 BoogieIcfgContainer [2022-02-10 23:42:56,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:42:56,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:42:56,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:42:56,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:42:56,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:42:55" (1/3) ... [2022-02-10 23:42:56,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d81f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:56, skipping insertion in model container [2022-02-10 23:42:56,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:56" (2/3) ... [2022-02-10 23:42:56,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d81f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:56, skipping insertion in model container [2022-02-10 23:42:56,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:56" (3/3) ... [2022-02-10 23:42:56,598 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_08-tricky_address3.i [2022-02-10 23:42:56,602 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:42:56,602 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:42:56,602 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-10 23:42:56,602 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:42:56,660 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,660 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,660 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,660 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,661 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,661 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,661 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,661 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,662 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,662 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,663 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,663 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,663 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,663 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,663 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,663 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,664 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,664 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,665 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,665 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,666 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,666 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,666 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,667 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,667 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,667 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,668 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,672 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,672 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,672 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,672 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,673 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,673 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,673 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,673 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,673 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,673 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,673 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,674 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,674 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,674 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,674 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,675 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,675 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,675 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,675 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,675 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,675 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,676 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,676 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,676 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,676 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,676 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,676 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,678 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,678 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,678 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,678 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,678 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,679 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,679 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,679 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,679 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,681 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,682 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,683 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,683 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,683 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,684 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,684 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,684 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,685 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,685 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,685 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,685 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,685 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,686 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,687 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,687 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,689 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,690 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,690 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,694 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,695 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,696 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,697 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,698 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,699 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,699 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,699 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,699 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,699 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,699 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,700 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,700 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,700 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,700 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,701 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,701 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,703 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,703 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,703 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,703 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,703 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,704 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,707 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,708 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,708 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,708 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,708 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,708 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,708 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,708 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,709 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,709 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,709 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,716 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,716 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,716 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,716 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,717 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:56,719 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 23:42:56,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:42:56,774 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, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:42:56,775 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 23:42:56,785 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 106 transitions, 217 flow [2022-02-10 23:42:56,869 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:42:56,882 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:56,883 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:56,883 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:56,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:56,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1316832337, now seen corresponding path program 1 times [2022-02-10 23:42:56,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:56,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983477495] [2022-02-10 23:42:56,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:57,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:57,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983477495] [2022-02-10 23:42:57,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983477495] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:57,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:57,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:57,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48254394] [2022-02-10 23:42:57,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:57,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 23:42:57,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:57,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 23:42:57,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 23:42:57,146 INFO L87 Difference]: Start difference. First operand has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:57,201 INFO L93 Difference]: Finished difference Result 1195 states and 2288 transitions. [2022-02-10 23:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 23:42:57,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-10 23:42:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:57,220 INFO L225 Difference]: With dead ends: 1195 [2022-02-10 23:42:57,220 INFO L226 Difference]: Without dead ends: 1183 [2022-02-10 23:42:57,223 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 23:42:57,225 INFO L934 BasicCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:57,226 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:57,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-02-10 23:42:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-02-10 23:42:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1173 states have (on average 1.9309462915601023) internal successors, (2265), 1182 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2265 transitions. [2022-02-10 23:42:57,340 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2265 transitions. Word has length 37 [2022-02-10 23:42:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:57,340 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 2265 transitions. [2022-02-10 23:42:57,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2265 transitions. [2022-02-10 23:42:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 23:42:57,343 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:57,343 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:57,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:42:57,344 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:57,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:57,344 INFO L85 PathProgramCache]: Analyzing trace with hash 900925616, now seen corresponding path program 1 times [2022-02-10 23:42:57,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:57,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852770698] [2022-02-10 23:42:57,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:57,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:57,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:57,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852770698] [2022-02-10 23:42:57,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852770698] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:57,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:57,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 23:42:57,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710391170] [2022-02-10 23:42:57,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:57,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:57,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:57,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:57,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:57,451 INFO L87 Difference]: Start difference. First operand 1183 states and 2265 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:57,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:57,476 INFO L93 Difference]: Finished difference Result 1187 states and 2269 transitions. [2022-02-10 23:42:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:57,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-10 23:42:57,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:57,484 INFO L225 Difference]: With dead ends: 1187 [2022-02-10 23:42:57,484 INFO L226 Difference]: Without dead ends: 1187 [2022-02-10 23:42:57,484 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:57,485 INFO L934 BasicCegarLoop]: 97 mSDtfsCounter, 3 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:57,487 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 190 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-02-10 23:42:57,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2022-02-10 23:42:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1174 states have (on average 1.93015332197615) internal successors, (2266), 1183 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2266 transitions. [2022-02-10 23:42:57,520 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2266 transitions. Word has length 37 [2022-02-10 23:42:57,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:57,520 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2266 transitions. [2022-02-10 23:42:57,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2266 transitions. [2022-02-10 23:42:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-10 23:42:57,527 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:57,527 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:57,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:42:57,527 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:57,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:57,528 INFO L85 PathProgramCache]: Analyzing trace with hash 438260885, now seen corresponding path program 1 times [2022-02-10 23:42:57,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:57,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377188674] [2022-02-10 23:42:57,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:57,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:57,630 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:57,630 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377188674] [2022-02-10 23:42:57,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377188674] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:42:57,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436779140] [2022-02-10 23:42:57,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:57,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:42:57,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:57,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:42:57,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 23:42:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:57,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 23:42:57,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:42:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:57,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:42:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:58,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436779140] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:42:58,023 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:42:58,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 23:42:58,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679516162] [2022-02-10 23:42:58,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:42:58,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:42:58,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:58,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:42:58,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:42:58,025 INFO L87 Difference]: Start difference. First operand 1184 states and 2266 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:58,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:58,111 INFO L93 Difference]: Finished difference Result 1194 states and 2276 transitions. [2022-02-10 23:42:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:42:58,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-02-10 23:42:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:58,117 INFO L225 Difference]: With dead ends: 1194 [2022-02-10 23:42:58,117 INFO L226 Difference]: Without dead ends: 1194 [2022-02-10 23:42:58,118 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:42:58,119 INFO L934 BasicCegarLoop]: 96 mSDtfsCounter, 15 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:58,120 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 379 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:58,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-02-10 23:42:58,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2022-02-10 23:42:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1184 states have (on average 1.9222972972972974) internal successors, (2276), 1193 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2276 transitions. [2022-02-10 23:42:58,145 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2276 transitions. Word has length 42 [2022-02-10 23:42:58,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:58,145 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2276 transitions. [2022-02-10 23:42:58,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2276 transitions. [2022-02-10 23:42:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-10 23:42:58,148 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:58,148 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:58,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-10 23:42:58,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:42:58,374 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:58,374 INFO L85 PathProgramCache]: Analyzing trace with hash 432939381, now seen corresponding path program 2 times [2022-02-10 23:42:58,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:58,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608967762] [2022-02-10 23:42:58,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:58,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:58,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:58,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608967762] [2022-02-10 23:42:58,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608967762] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:42:58,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372627647] [2022-02-10 23:42:58,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 23:42:58,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:42:58,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:58,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:42:58,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 23:42:58,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-10 23:42:58,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 23:42:58,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-10 23:42:58,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:42:58,693 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-10 23:42:58,725 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-10 23:42:58,725 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-02-10 23:42:58,768 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-10 23:42:58,769 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-02-10 23:42:58,857 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-10 23:42:58,857 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-02-10 23:42:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-10 23:42:58,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-10 23:42:58,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372627647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:58,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-10 23:42:58,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-10 23:42:58,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955407827] [2022-02-10 23:42:58,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:58,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:42:58,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:58,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:42:58,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:42:58,884 INFO L87 Difference]: Start difference. First operand 1194 states and 2276 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:59,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:59,116 INFO L93 Difference]: Finished difference Result 1262 states and 2404 transitions. [2022-02-10 23:42:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:42:59,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-02-10 23:42:59,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:59,122 INFO L225 Difference]: With dead ends: 1262 [2022-02-10 23:42:59,122 INFO L226 Difference]: Without dead ends: 1262 [2022-02-10 23:42:59,123 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:42:59,123 INFO L934 BasicCegarLoop]: 198 mSDtfsCounter, 128 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:59,124 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 523 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:42:59,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-02-10 23:42:59,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1214. [2022-02-10 23:42:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1206 states have (on average 1.9170812603648424) internal successors, (2312), 1213 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2312 transitions. [2022-02-10 23:42:59,153 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2312 transitions. Word has length 52 [2022-02-10 23:42:59,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:59,155 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 2312 transitions. [2022-02-10 23:42:59,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2312 transitions. [2022-02-10 23:42:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-10 23:42:59,156 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:59,156 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:59,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 23:42:59,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-10 23:42:59,384 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:59,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:59,384 INFO L85 PathProgramCache]: Analyzing trace with hash 491733010, now seen corresponding path program 1 times [2022-02-10 23:42:59,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:59,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421914258] [2022-02-10 23:42:59,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:59,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:59,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:59,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421914258] [2022-02-10 23:42:59,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421914258] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:42:59,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956539042] [2022-02-10 23:42:59,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:59,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:42:59,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:59,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:42:59,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 23:42:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:59,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-10 23:42:59,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:42:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:59,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:42:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:59,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956539042] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:42:59,808 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:42:59,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-10 23:42:59,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671811688] [2022-02-10 23:42:59,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:42:59,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-10 23:42:59,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:59,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-10 23:42:59,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:42:59,810 INFO L87 Difference]: Start difference. First operand 1214 states and 2312 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:59,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:59,985 INFO L93 Difference]: Finished difference Result 1234 states and 2332 transitions. [2022-02-10 23:42:59,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:42:59,985 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-02-10 23:42:59,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:59,990 INFO L225 Difference]: With dead ends: 1234 [2022-02-10 23:42:59,990 INFO L226 Difference]: Without dead ends: 1234 [2022-02-10 23:42:59,990 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-10 23:42:59,991 INFO L934 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:59,991 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 569 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:42:59,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-02-10 23:43:00,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2022-02-10 23:43:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1226 states have (on average 1.902120717781403) internal successors, (2332), 1233 states have internal predecessors, (2332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 2332 transitions. [2022-02-10 23:43:00,017 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 2332 transitions. Word has length 60 [2022-02-10 23:43:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:00,017 INFO L470 AbstractCegarLoop]: Abstraction has 1234 states and 2332 transitions. [2022-02-10 23:43:00,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 2332 transitions. [2022-02-10 23:43:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-10 23:43:00,018 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:00,019 INFO L515 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:00,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-10 23:43:00,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:43:00,231 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:00,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:00,232 INFO L85 PathProgramCache]: Analyzing trace with hash 656757202, now seen corresponding path program 2 times [2022-02-10 23:43:00,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:00,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327949881] [2022-02-10 23:43:00,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:00,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:00,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:00,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327949881] [2022-02-10 23:43:00,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327949881] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:43:00,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755079804] [2022-02-10 23:43:00,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 23:43:00,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:43:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:43:00,402 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:43:00,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-10 23:43:00,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-10 23:43:00,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 23:43:00,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-10 23:43:00,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:43:00,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-10 23:43:00,623 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-10 23:43:00,623 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-02-10 23:43:00,665 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-10 23:43:00,666 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-02-10 23:43:00,724 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-10 23:43:00,724 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-02-10 23:43:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-02-10 23:43:00,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-10 23:43:00,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755079804] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:00,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-10 23:43:00,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-02-10 23:43:00,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124364868] [2022-02-10 23:43:00,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:00,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:43:00,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:00,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:43:00,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-10 23:43:00,757 INFO L87 Difference]: Start difference. First operand 1234 states and 2332 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:00,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:00,933 INFO L93 Difference]: Finished difference Result 1341 states and 2532 transitions. [2022-02-10 23:43:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:43:00,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-02-10 23:43:00,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:00,938 INFO L225 Difference]: With dead ends: 1341 [2022-02-10 23:43:00,939 INFO L226 Difference]: Without dead ends: 1197 [2022-02-10 23:43:00,939 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-10 23:43:00,940 INFO L934 BasicCegarLoop]: 200 mSDtfsCounter, 133 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:00,940 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 404 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:43:00,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-02-10 23:43:00,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1155. [2022-02-10 23:43:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1148 states have (on average 1.8850174216027875) internal successors, (2164), 1154 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2164 transitions. [2022-02-10 23:43:00,963 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2164 transitions. Word has length 80 [2022-02-10 23:43:00,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:00,964 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2164 transitions. [2022-02-10 23:43:00,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2164 transitions. [2022-02-10 23:43:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-10 23:43:00,965 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:00,965 INFO L515 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:00,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-10 23:43:01,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:43:01,175 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:01,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:01,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1425828848, now seen corresponding path program 1 times [2022-02-10 23:43:01,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:01,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703699015] [2022-02-10 23:43:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:01,360 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:01,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:01,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703699015] [2022-02-10 23:43:01,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703699015] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:43:01,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034354520] [2022-02-10 23:43:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:01,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:43:01,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:43:01,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:43:01,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-10 23:43:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:01,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-10 23:43:01,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:43:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:01,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:43:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:01,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034354520] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:43:01,845 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:43:01,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-10 23:43:01,845 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460418910] [2022-02-10 23:43:01,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:43:01,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-10 23:43:01,846 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:01,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-10 23:43:01,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-10 23:43:01,847 INFO L87 Difference]: Start difference. First operand 1155 states and 2164 transitions. Second operand has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:02,137 INFO L93 Difference]: Finished difference Result 1170 states and 2179 transitions. [2022-02-10 23:43:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 23:43:02,139 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-02-10 23:43:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:02,143 INFO L225 Difference]: With dead ends: 1170 [2022-02-10 23:43:02,143 INFO L226 Difference]: Without dead ends: 1170 [2022-02-10 23:43:02,144 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:43:02,145 INFO L934 BasicCegarLoop]: 95 mSDtfsCounter, 43 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:02,145 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 380 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:43:02,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-02-10 23:43:02,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-02-10 23:43:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1163 states have (on average 1.873602751504729) internal successors, (2179), 1169 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 2179 transitions. [2022-02-10 23:43:02,166 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 2179 transitions. Word has length 84 [2022-02-10 23:43:02,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:02,167 INFO L470 AbstractCegarLoop]: Abstraction has 1170 states and 2179 transitions. [2022-02-10 23:43:02,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2179 transitions. [2022-02-10 23:43:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-02-10 23:43:02,168 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:02,168 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:02,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-10 23:43:02,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:43:02,390 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:02,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2073879691, now seen corresponding path program 2 times [2022-02-10 23:43:02,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:02,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652161632] [2022-02-10 23:43:02,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:02,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:02,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652161632] [2022-02-10 23:43:02,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652161632] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:02,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:02,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:43:02,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124796492] [2022-02-10 23:43:02,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:02,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:43:02,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:02,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:43:02,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:02,495 INFO L87 Difference]: Start difference. First operand 1170 states and 2179 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:02,625 INFO L93 Difference]: Finished difference Result 1295 states and 2421 transitions. [2022-02-10 23:43:02,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:43:02,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-02-10 23:43:02,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:02,631 INFO L225 Difference]: With dead ends: 1295 [2022-02-10 23:43:02,631 INFO L226 Difference]: Without dead ends: 1295 [2022-02-10 23:43:02,632 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:02,632 INFO L934 BasicCegarLoop]: 165 mSDtfsCounter, 92 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:02,633 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 343 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:43:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-02-10 23:43:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1219. [2022-02-10 23:43:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1212 states have (on average 1.8754125412541254) internal successors, (2273), 1218 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2273 transitions. [2022-02-10 23:43:02,659 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2273 transitions. Word has length 99 [2022-02-10 23:43:02,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:02,661 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 2273 transitions. [2022-02-10 23:43:02,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2273 transitions. [2022-02-10 23:43:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-10 23:43:02,662 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:02,662 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:02,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 23:43:02,663 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1373859952, now seen corresponding path program 1 times [2022-02-10 23:43:02,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:02,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440680742] [2022-02-10 23:43:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:02,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:02,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440680742] [2022-02-10 23:43:02,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440680742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:02,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:02,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:43:02,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736526515] [2022-02-10 23:43:02,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:02,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:43:02,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:02,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:43:02,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:02,788 INFO L87 Difference]: Start difference. First operand 1219 states and 2273 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:02,969 INFO L93 Difference]: Finished difference Result 1335 states and 2480 transitions. [2022-02-10 23:43:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:43:02,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-02-10 23:43:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:02,973 INFO L225 Difference]: With dead ends: 1335 [2022-02-10 23:43:02,973 INFO L226 Difference]: Without dead ends: 1005 [2022-02-10 23:43:02,974 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:02,975 INFO L934 BasicCegarLoop]: 166 mSDtfsCounter, 94 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:02,976 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 442 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:43:02,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-02-10 23:43:02,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 981. [2022-02-10 23:43:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 974 states have (on average 1.8213552361396304) internal successors, (1774), 980 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1774 transitions. [2022-02-10 23:43:02,995 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1774 transitions. Word has length 107 [2022-02-10 23:43:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:02,995 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1774 transitions. [2022-02-10 23:43:02,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1774 transitions. [2022-02-10 23:43:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:02,996 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:02,997 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:02,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 23:43:02,997 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:02,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:02,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1446686969, now seen corresponding path program 1 times [2022-02-10 23:43:02,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:02,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512812851] [2022-02-10 23:43:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:03,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:03,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512812851] [2022-02-10 23:43:03,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512812851] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:03,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:03,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:43:03,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818059970] [2022-02-10 23:43:03,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:03,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:43:03,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:03,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:43:03,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:43:03,452 INFO L87 Difference]: Start difference. First operand 981 states and 1774 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:04,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:04,005 INFO L93 Difference]: Finished difference Result 1753 states and 3204 transitions. [2022-02-10 23:43:04,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:43:04,005 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:04,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:04,012 INFO L225 Difference]: With dead ends: 1753 [2022-02-10 23:43:04,012 INFO L226 Difference]: Without dead ends: 1753 [2022-02-10 23:43:04,012 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:43:04,013 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 246 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:04,013 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 527 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:43:04,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2022-02-10 23:43:04,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1086. [2022-02-10 23:43:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8387395736793326) internal successors, (1984), 1085 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1984 transitions. [2022-02-10 23:43:04,037 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1984 transitions. Word has length 113 [2022-02-10 23:43:04,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:04,037 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1984 transitions. [2022-02-10 23:43:04,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1984 transitions. [2022-02-10 23:43:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:04,039 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:04,039 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:04,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 23:43:04,039 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:04,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:04,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1733561321, now seen corresponding path program 1 times [2022-02-10 23:43:04,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:04,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581378493] [2022-02-10 23:43:04,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:04,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:04,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:04,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581378493] [2022-02-10 23:43:04,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581378493] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:04,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:04,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:43:04,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107170411] [2022-02-10 23:43:04,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:04,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:43:04,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:04,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:43:04,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:43:04,450 INFO L87 Difference]: Start difference. First operand 1086 states and 1984 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:04,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:04,990 INFO L93 Difference]: Finished difference Result 1743 states and 3187 transitions. [2022-02-10 23:43:04,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:43:04,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:04,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:04,997 INFO L225 Difference]: With dead ends: 1743 [2022-02-10 23:43:04,997 INFO L226 Difference]: Without dead ends: 1743 [2022-02-10 23:43:04,998 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:43:04,998 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 230 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:04,998 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 465 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:43:05,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2022-02-10 23:43:05,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1245. [2022-02-10 23:43:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1238 states have (on average 1.8554119547657513) internal successors, (2297), 1244 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2297 transitions. [2022-02-10 23:43:05,034 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2297 transitions. Word has length 113 [2022-02-10 23:43:05,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:05,034 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2297 transitions. [2022-02-10 23:43:05,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2297 transitions. [2022-02-10 23:43:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:05,036 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:05,037 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:05,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 23:43:05,037 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:05,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:05,038 INFO L85 PathProgramCache]: Analyzing trace with hash 376746620, now seen corresponding path program 1 times [2022-02-10 23:43:05,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:05,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783098027] [2022-02-10 23:43:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:05,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:06,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:06,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783098027] [2022-02-10 23:43:06,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783098027] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:06,017 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:06,017 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:06,017 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541997045] [2022-02-10 23:43:06,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:06,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:06,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:06,018 INFO L87 Difference]: Start difference. First operand 1245 states and 2297 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:06,854 INFO L93 Difference]: Finished difference Result 1781 states and 3259 transitions. [2022-02-10 23:43:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 23:43:06,854 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:06,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:06,860 INFO L225 Difference]: With dead ends: 1781 [2022-02-10 23:43:06,860 INFO L226 Difference]: Without dead ends: 1781 [2022-02-10 23:43:06,860 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-02-10 23:43:06,861 INFO L934 BasicCegarLoop]: 146 mSDtfsCounter, 262 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:06,861 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 787 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:43:06,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-02-10 23:43:06,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1252. [2022-02-10 23:43:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8562248995983937) internal successors, (2311), 1251 states have internal predecessors, (2311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2311 transitions. [2022-02-10 23:43:06,886 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2311 transitions. Word has length 113 [2022-02-10 23:43:06,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:06,886 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2311 transitions. [2022-02-10 23:43:06,886 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) [2022-02-10 23:43:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2311 transitions. [2022-02-10 23:43:06,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:06,888 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:06,888 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:06,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-10 23:43:06,889 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:06,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -758070434, now seen corresponding path program 2 times [2022-02-10 23:43:06,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:06,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863823719] [2022-02-10 23:43:06,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:07,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:07,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863823719] [2022-02-10 23:43:07,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863823719] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:07,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:07,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:43:07,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487888558] [2022-02-10 23:43:07,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:07,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:43:07,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:07,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:43:07,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:43:07,773 INFO L87 Difference]: Start difference. First operand 1252 states and 2311 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:08,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:08,469 INFO L93 Difference]: Finished difference Result 1769 states and 3235 transitions. [2022-02-10 23:43:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 23:43:08,470 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:08,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:08,476 INFO L225 Difference]: With dead ends: 1769 [2022-02-10 23:43:08,476 INFO L226 Difference]: Without dead ends: 1769 [2022-02-10 23:43:08,477 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:43:08,477 INFO L934 BasicCegarLoop]: 134 mSDtfsCounter, 235 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:08,478 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 673 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:08,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2022-02-10 23:43:08,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1261. [2022-02-10 23:43:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1254 states have (on average 1.8572567783094098) internal successors, (2329), 1260 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2329 transitions. [2022-02-10 23:43:08,503 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2329 transitions. Word has length 113 [2022-02-10 23:43:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:08,504 INFO L470 AbstractCegarLoop]: Abstraction has 1261 states and 2329 transitions. [2022-02-10 23:43:08,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2329 transitions. [2022-02-10 23:43:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:08,506 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:08,506 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:08,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-10 23:43:08,506 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:08,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:08,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1324244250, now seen corresponding path program 3 times [2022-02-10 23:43:08,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:08,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300167700] [2022-02-10 23:43:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:08,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:09,582 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:09,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300167700] [2022-02-10 23:43:09,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300167700] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:09,583 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:09,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:09,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390747306] [2022-02-10 23:43:09,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:09,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:09,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:09,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:09,584 INFO L87 Difference]: Start difference. First operand 1261 states and 2329 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:10,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:10,250 INFO L93 Difference]: Finished difference Result 1850 states and 3397 transitions. [2022-02-10 23:43:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:43:10,251 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:10,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:10,255 INFO L225 Difference]: With dead ends: 1850 [2022-02-10 23:43:10,255 INFO L226 Difference]: Without dead ends: 1850 [2022-02-10 23:43:10,256 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=160, Invalid=302, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:10,256 INFO L934 BasicCegarLoop]: 126 mSDtfsCounter, 285 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:10,256 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 537 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:43:10,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-02-10 23:43:10,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1276. [2022-02-10 23:43:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1269 states have (on average 1.858944050433412) internal successors, (2359), 1275 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2359 transitions. [2022-02-10 23:43:10,279 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2359 transitions. Word has length 113 [2022-02-10 23:43:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:10,279 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 2359 transitions. [2022-02-10 23:43:10,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2359 transitions. [2022-02-10 23:43:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:10,281 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:10,281 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:10,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-10 23:43:10,282 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:10,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:10,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1216231488, now seen corresponding path program 4 times [2022-02-10 23:43:10,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:10,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728301919] [2022-02-10 23:43:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:10,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:11,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:11,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728301919] [2022-02-10 23:43:11,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728301919] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:11,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:11,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:11,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916699874] [2022-02-10 23:43:11,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:11,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:11,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:11,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:11,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:11,031 INFO L87 Difference]: Start difference. First operand 1276 states and 2359 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:11,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:11,653 INFO L93 Difference]: Finished difference Result 1917 states and 3531 transitions. [2022-02-10 23:43:11,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 23:43:11,653 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:11,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:11,659 INFO L225 Difference]: With dead ends: 1917 [2022-02-10 23:43:11,660 INFO L226 Difference]: Without dead ends: 1917 [2022-02-10 23:43:11,660 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:11,660 INFO L934 BasicCegarLoop]: 116 mSDtfsCounter, 281 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:11,661 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 482 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:43:11,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2022-02-10 23:43:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1311. [2022-02-10 23:43:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1304 states have (on average 1.8627300613496933) internal successors, (2429), 1310 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-02-10 23:43:11,699 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-02-10 23:43:11,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:11,700 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-02-10 23:43:11,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-02-10 23:43:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:11,702 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:11,702 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:11,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-10 23:43:11,702 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:11,703 INFO L85 PathProgramCache]: Analyzing trace with hash -835243848, now seen corresponding path program 5 times [2022-02-10 23:43:11,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:11,703 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053217240] [2022-02-10 23:43:11,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:11,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:12,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:12,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053217240] [2022-02-10 23:43:12,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053217240] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:12,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:12,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:43:12,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973948447] [2022-02-10 23:43:12,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:12,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:43:12,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:12,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:43:12,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:43:12,044 INFO L87 Difference]: Start difference. First operand 1311 states and 2429 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:12,639 INFO L93 Difference]: Finished difference Result 1816 states and 3329 transitions. [2022-02-10 23:43:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:43:12,639 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:12,645 INFO L225 Difference]: With dead ends: 1816 [2022-02-10 23:43:12,646 INFO L226 Difference]: Without dead ends: 1816 [2022-02-10 23:43:12,646 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:43:12,646 INFO L934 BasicCegarLoop]: 117 mSDtfsCounter, 190 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:12,647 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 638 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2022-02-10 23:43:12,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1300. [2022-02-10 23:43:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1293 states have (on average 1.8615622583139984) internal successors, (2407), 1299 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 2407 transitions. [2022-02-10 23:43:12,668 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 2407 transitions. Word has length 113 [2022-02-10 23:43:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:12,668 INFO L470 AbstractCegarLoop]: Abstraction has 1300 states and 2407 transitions. [2022-02-10 23:43:12,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2407 transitions. [2022-02-10 23:43:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:12,670 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:12,670 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:12,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-10 23:43:12,671 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:12,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:12,671 INFO L85 PathProgramCache]: Analyzing trace with hash 874882793, now seen corresponding path program 1 times [2022-02-10 23:43:12,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:12,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444201548] [2022-02-10 23:43:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:12,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:12,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:12,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444201548] [2022-02-10 23:43:12,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444201548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:12,827 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:12,827 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:43:12,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298434184] [2022-02-10 23:43:12,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:12,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:43:12,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:43:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:43:12,828 INFO L87 Difference]: Start difference. First operand 1300 states and 2407 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:13,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:13,477 INFO L93 Difference]: Finished difference Result 1795 states and 3290 transitions. [2022-02-10 23:43:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 23:43:13,478 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:13,482 INFO L225 Difference]: With dead ends: 1795 [2022-02-10 23:43:13,483 INFO L226 Difference]: Without dead ends: 1795 [2022-02-10 23:43:13,483 INFO L933 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 [2022-02-10 23:43:13,483 INFO L934 BasicCegarLoop]: 167 mSDtfsCounter, 311 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:13,484 INFO L935 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] [2022-02-10 23:43:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-02-10 23:43:13,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1311. [2022-02-10 23:43:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1304 states have (on average 1.8627300613496933) internal successors, (2429), 1310 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-02-10 23:43:13,512 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-02-10 23:43:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:13,512 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-02-10 23:43:13,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-02-10 23:43:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:13,515 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:13,515 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:13,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-10 23:43:13,515 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:13,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:13,516 INFO L85 PathProgramCache]: Analyzing trace with hash 790273253, now seen corresponding path program 2 times [2022-02-10 23:43:13,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:13,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948810933] [2022-02-10 23:43:13,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:13,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:13,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:13,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948810933] [2022-02-10 23:43:13,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948810933] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:13,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:13,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:43:13,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509683427] [2022-02-10 23:43:13,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:13,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:43:13,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:43:13,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:43:13,865 INFO L87 Difference]: Start difference. First operand 1311 states and 2429 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:14,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:14,330 INFO L93 Difference]: Finished difference Result 1818 states and 3329 transitions. [2022-02-10 23:43:14,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:43:14,330 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:14,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:14,337 INFO L225 Difference]: With dead ends: 1818 [2022-02-10 23:43:14,337 INFO L226 Difference]: Without dead ends: 1818 [2022-02-10 23:43:14,338 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:43:14,338 INFO L934 BasicCegarLoop]: 128 mSDtfsCounter, 254 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:14,338 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 455 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:43:14,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-02-10 23:43:14,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1355. [2022-02-10 23:43:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1348 states have (on average 1.86053412462908) internal successors, (2508), 1354 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2508 transitions. [2022-02-10 23:43:14,360 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2508 transitions. Word has length 113 [2022-02-10 23:43:14,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:14,360 INFO L470 AbstractCegarLoop]: Abstraction has 1355 states and 2508 transitions. [2022-02-10 23:43:14,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2508 transitions. [2022-02-10 23:43:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:14,362 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:14,363 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:14,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-10 23:43:14,363 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:14,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:14,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1356984961, now seen corresponding path program 2 times [2022-02-10 23:43:14,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:14,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743783852] [2022-02-10 23:43:14,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:14,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:15,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:15,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743783852] [2022-02-10 23:43:15,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743783852] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:15,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:15,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:15,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88890776] [2022-02-10 23:43:15,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:15,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:15,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:15,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:15,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:15,236 INFO L87 Difference]: Start difference. First operand 1355 states and 2508 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:16,001 INFO L93 Difference]: Finished difference Result 2165 states and 4016 transitions. [2022-02-10 23:43:16,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:16,001 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:16,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:16,006 INFO L225 Difference]: With dead ends: 2165 [2022-02-10 23:43:16,006 INFO L226 Difference]: Without dead ends: 2165 [2022-02-10 23:43:16,006 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:16,007 INFO L934 BasicCegarLoop]: 171 mSDtfsCounter, 308 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:16,007 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 670 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:16,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2022-02-10 23:43:16,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1406. [2022-02-10 23:43:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-10 23:43:16,032 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-10 23:43:16,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:16,032 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-10 23:43:16,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-10 23:43:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:16,035 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:16,035 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:16,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-10 23:43:16,036 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:16,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:16,036 INFO L85 PathProgramCache]: Analyzing trace with hash -620012861, now seen corresponding path program 3 times [2022-02-10 23:43:16,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:16,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568703892] [2022-02-10 23:43:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:16,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:16,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:16,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568703892] [2022-02-10 23:43:16,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568703892] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:16,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:16,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:16,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916951388] [2022-02-10 23:43:16,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:16,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:16,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:16,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:16,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:16,907 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:17,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:17,872 INFO L93 Difference]: Finished difference Result 2195 states and 4068 transitions. [2022-02-10 23:43:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:17,872 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:17,877 INFO L225 Difference]: With dead ends: 2195 [2022-02-10 23:43:17,877 INFO L226 Difference]: Without dead ends: 2195 [2022-02-10 23:43:17,877 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:17,878 INFO L934 BasicCegarLoop]: 162 mSDtfsCounter, 263 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:17,878 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 1034 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 23:43:17,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2022-02-10 23:43:17,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1406. [2022-02-10 23:43:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-10 23:43:17,902 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-10 23:43:17,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:17,902 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-10 23:43:17,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-10 23:43:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:17,905 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:17,905 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:17,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-10 23:43:17,906 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:17,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:17,906 INFO L85 PathProgramCache]: Analyzing trace with hash 836114431, now seen corresponding path program 4 times [2022-02-10 23:43:17,906 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:17,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297671045] [2022-02-10 23:43:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:18,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:18,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297671045] [2022-02-10 23:43:18,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297671045] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:18,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:18,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:18,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63406261] [2022-02-10 23:43:18,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:18,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:18,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:18,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:18,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:18,706 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:19,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:19,393 INFO L93 Difference]: Finished difference Result 2215 states and 4108 transitions. [2022-02-10 23:43:19,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:19,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:19,396 INFO L225 Difference]: With dead ends: 2215 [2022-02-10 23:43:19,396 INFO L226 Difference]: Without dead ends: 2215 [2022-02-10 23:43:19,396 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:19,397 INFO L934 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 [2022-02-10 23:43:19,397 INFO L935 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] [2022-02-10 23:43:19,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-02-10 23:43:19,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 1406. [2022-02-10 23:43:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-10 23:43:19,422 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-10 23:43:19,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:19,422 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-10 23:43:19,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-10 23:43:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:19,425 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:19,425 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:19,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-10 23:43:19,425 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:19,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:19,425 INFO L85 PathProgramCache]: Analyzing trace with hash -567711677, now seen corresponding path program 5 times [2022-02-10 23:43:19,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:19,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094658256] [2022-02-10 23:43:19,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:20,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:20,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094658256] [2022-02-10 23:43:20,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094658256] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:20,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:20,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:20,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092844218] [2022-02-10 23:43:20,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:20,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:20,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:20,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:20,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:20,225 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:20,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:20,850 INFO L93 Difference]: Finished difference Result 2133 states and 3963 transitions. [2022-02-10 23:43:20,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:20,850 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:20,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:20,854 INFO L225 Difference]: With dead ends: 2133 [2022-02-10 23:43:20,854 INFO L226 Difference]: Without dead ends: 2133 [2022-02-10 23:43:20,855 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:20,855 INFO L934 BasicCegarLoop]: 144 mSDtfsCounter, 259 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:20,856 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 480 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:43:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-02-10 23:43:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1406. [2022-02-10 23:43:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-10 23:43:20,878 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-10 23:43:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:20,878 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-10 23:43:20,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-10 23:43:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:20,881 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:20,881 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:20,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-10 23:43:20,881 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:20,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:20,882 INFO L85 PathProgramCache]: Analyzing trace with hash 551482577, now seen corresponding path program 6 times [2022-02-10 23:43:20,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:20,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134686765] [2022-02-10 23:43:20,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:21,963 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:21,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134686765] [2022-02-10 23:43:21,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134686765] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:21,963 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:21,963 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:21,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000918446] [2022-02-10 23:43:21,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:21,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:21,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:21,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:21,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:21,964 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:22,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:22,802 INFO L93 Difference]: Finished difference Result 2160 states and 4008 transitions. [2022-02-10 23:43:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:22,802 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:22,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:22,806 INFO L225 Difference]: With dead ends: 2160 [2022-02-10 23:43:22,806 INFO L226 Difference]: Without dead ends: 2160 [2022-02-10 23:43:22,807 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:22,807 INFO L934 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, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:22,807 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 676 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:22,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2022-02-10 23:43:22,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 1429. [2022-02-10 23:43:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8677918424753868) internal successors, (2656), 1428 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-02-10 23:43:22,828 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-02-10 23:43:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:22,829 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-02-10 23:43:22,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-02-10 23:43:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:22,831 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:22,831 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:22,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-10 23:43:22,832 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:22,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:22,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1288454677, now seen corresponding path program 7 times [2022-02-10 23:43:22,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:22,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600420768] [2022-02-10 23:43:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:24,225 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:24,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600420768] [2022-02-10 23:43:24,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600420768] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:24,225 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:24,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:24,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290841113] [2022-02-10 23:43:24,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:24,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:24,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:24,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:24,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:24,227 INFO L87 Difference]: Start difference. First operand 1429 states and 2656 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:25,039 INFO L93 Difference]: Finished difference Result 2178 states and 4044 transitions. [2022-02-10 23:43:25,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:25,039 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:25,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:25,043 INFO L225 Difference]: With dead ends: 2178 [2022-02-10 23:43:25,043 INFO L226 Difference]: Without dead ends: 2178 [2022-02-10 23:43:25,043 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:25,044 INFO L934 BasicCegarLoop]: 160 mSDtfsCounter, 280 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:25,044 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 732 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:25,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2022-02-10 23:43:25,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 1417. [2022-02-10 23:43:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1410 states have (on average 1.8666666666666667) internal successors, (2632), 1416 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2632 transitions. [2022-02-10 23:43:25,066 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2632 transitions. Word has length 113 [2022-02-10 23:43:25,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:25,067 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2632 transitions. [2022-02-10 23:43:25,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2632 transitions. [2022-02-10 23:43:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:25,069 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:25,070 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:25,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-10 23:43:25,070 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:25,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash -121845815, now seen corresponding path program 8 times [2022-02-10 23:43:25,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:25,071 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687135861] [2022-02-10 23:43:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:25,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:26,065 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:26,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687135861] [2022-02-10 23:43:26,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687135861] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:26,066 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:26,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:26,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479310276] [2022-02-10 23:43:26,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:26,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:26,066 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:26,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:26,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:26,067 INFO L87 Difference]: Start difference. First operand 1417 states and 2632 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:26,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:26,858 INFO L93 Difference]: Finished difference Result 2121 states and 3940 transitions. [2022-02-10 23:43:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:43:26,858 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:26,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:26,861 INFO L225 Difference]: With dead ends: 2121 [2022-02-10 23:43:26,861 INFO L226 Difference]: Without dead ends: 2121 [2022-02-10 23:43:26,861 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-10 23:43:26,862 INFO L934 BasicCegarLoop]: 153 mSDtfsCounter, 272 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:26,862 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 652 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:26,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2022-02-10 23:43:26,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 1407. [2022-02-10 23:43:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8657142857142857) internal successors, (2612), 1406 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2612 transitions. [2022-02-10 23:43:26,881 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2612 transitions. Word has length 113 [2022-02-10 23:43:26,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:26,882 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2612 transitions. [2022-02-10 23:43:26,882 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) [2022-02-10 23:43:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2612 transitions. [2022-02-10 23:43:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:26,884 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:26,884 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:26,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-10 23:43:26,885 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1447474959, now seen corresponding path program 9 times [2022-02-10 23:43:26,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:26,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3300066] [2022-02-10 23:43:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:28,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:28,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3300066] [2022-02-10 23:43:28,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3300066] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:28,075 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:28,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:28,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396845512] [2022-02-10 23:43:28,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:28,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:28,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:28,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:28,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:28,076 INFO L87 Difference]: Start difference. First operand 1407 states and 2612 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:29,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:29,050 INFO L93 Difference]: Finished difference Result 2091 states and 3872 transitions. [2022-02-10 23:43:29,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:29,050 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:29,054 INFO L225 Difference]: With dead ends: 2091 [2022-02-10 23:43:29,054 INFO L226 Difference]: Without dead ends: 2091 [2022-02-10 23:43:29,054 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:29,055 INFO L934 BasicCegarLoop]: 167 mSDtfsCounter, 280 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:29,055 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 946 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 23:43:29,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2022-02-10 23:43:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1418. [2022-02-10 23:43:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.866761162296244) internal successors, (2634), 1417 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2634 transitions. [2022-02-10 23:43:29,086 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2634 transitions. Word has length 113 [2022-02-10 23:43:29,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:29,087 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2634 transitions. [2022-02-10 23:43:29,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2634 transitions. [2022-02-10 23:43:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:29,089 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:29,089 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:29,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-10 23:43:29,090 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:29,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:29,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2110520237, now seen corresponding path program 10 times [2022-02-10 23:43:29,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:29,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656811466] [2022-02-10 23:43:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:29,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:30,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:30,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656811466] [2022-02-10 23:43:30,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656811466] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:30,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:30,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:30,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590669224] [2022-02-10 23:43:30,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:30,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:30,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:30,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:30,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:30,420 INFO L87 Difference]: Start difference. First operand 1418 states and 2634 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:31,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:31,297 INFO L93 Difference]: Finished difference Result 2064 states and 3827 transitions. [2022-02-10 23:43:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:31,297 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:31,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:31,301 INFO L225 Difference]: With dead ends: 2064 [2022-02-10 23:43:31,301 INFO L226 Difference]: Without dead ends: 2064 [2022-02-10 23:43:31,301 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:31,302 INFO L934 BasicCegarLoop]: 158 mSDtfsCounter, 259 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:31,302 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 903 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:43:31,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-02-10 23:43:31,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1408. [2022-02-10 23:43:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1401 states have (on average 1.8658101356174162) internal successors, (2614), 1407 states have internal predecessors, (2614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2614 transitions. [2022-02-10 23:43:31,322 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2614 transitions. Word has length 113 [2022-02-10 23:43:31,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:31,322 INFO L470 AbstractCegarLoop]: Abstraction has 1408 states and 2614 transitions. [2022-02-10 23:43:31,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2614 transitions. [2022-02-10 23:43:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:31,325 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:31,325 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:31,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-10 23:43:31,325 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:31,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:31,326 INFO L85 PathProgramCache]: Analyzing trace with hash 2052449145, now seen corresponding path program 11 times [2022-02-10 23:43:31,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:31,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201325137] [2022-02-10 23:43:31,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:32,352 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:32,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201325137] [2022-02-10 23:43:32,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201325137] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:32,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:32,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:32,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559165401] [2022-02-10 23:43:32,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:32,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:32,353 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:32,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:32,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:32,354 INFO L87 Difference]: Start difference. First operand 1408 states and 2614 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:33,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:33,157 INFO L93 Difference]: Finished difference Result 1975 states and 3658 transitions. [2022-02-10 23:43:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:43:33,158 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:33,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:33,160 INFO L225 Difference]: With dead ends: 1975 [2022-02-10 23:43:33,160 INFO L226 Difference]: Without dead ends: 1975 [2022-02-10 23:43:33,160 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:43:33,161 INFO L934 BasicCegarLoop]: 167 mSDtfsCounter, 278 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:33,161 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 667 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2022-02-10 23:43:33,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1426. [2022-02-10 23:43:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1419 states have (on average 1.8675123326286116) internal successors, (2650), 1425 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2650 transitions. [2022-02-10 23:43:33,180 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2650 transitions. Word has length 113 [2022-02-10 23:43:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:33,180 INFO L470 AbstractCegarLoop]: Abstraction has 1426 states and 2650 transitions. [2022-02-10 23:43:33,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2650 transitions. [2022-02-10 23:43:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:33,182 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:33,182 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:33,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-10 23:43:33,183 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:33,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:33,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2023297281, now seen corresponding path program 3 times [2022-02-10 23:43:33,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:33,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633725701] [2022-02-10 23:43:33,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:33,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:33,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:33,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633725701] [2022-02-10 23:43:33,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633725701] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:33,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:33,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:43:33,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906921675] [2022-02-10 23:43:33,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:33,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:43:33,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:33,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:43:33,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:43:33,787 INFO L87 Difference]: Start difference. First operand 1426 states and 2650 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:34,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:34,981 INFO L93 Difference]: Finished difference Result 2446 states and 4549 transitions. [2022-02-10 23:43:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:43:34,981 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:34,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:34,984 INFO L225 Difference]: With dead ends: 2446 [2022-02-10 23:43:34,984 INFO L226 Difference]: Without dead ends: 2446 [2022-02-10 23:43:34,985 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=351, Invalid=1289, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:43:34,986 INFO L934 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, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:34,986 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 811 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:43:34,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2022-02-10 23:43:35,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 1429. [2022-02-10 23:43:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8677918424753868) internal successors, (2656), 1428 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-02-10 23:43:35,007 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-02-10 23:43:35,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:35,008 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-02-10 23:43:35,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:35,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-02-10 23:43:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:35,010 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:35,010 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:35,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-10 23:43:35,010 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:35,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:35,011 INFO L85 PathProgramCache]: Analyzing trace with hash -178145435, now seen corresponding path program 4 times [2022-02-10 23:43:35,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:35,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014799871] [2022-02-10 23:43:35,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:35,791 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:35,791 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014799871] [2022-02-10 23:43:35,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014799871] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:35,791 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:35,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:43:35,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720600841] [2022-02-10 23:43:35,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:35,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:43:35,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:35,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:43:35,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:43:35,792 INFO L87 Difference]: Start difference. First operand 1429 states and 2656 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:37,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:37,186 INFO L93 Difference]: Finished difference Result 2410 states and 4477 transitions. [2022-02-10 23:43:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:43:37,186 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:37,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:37,190 INFO L225 Difference]: With dead ends: 2410 [2022-02-10 23:43:37,190 INFO L226 Difference]: Without dead ends: 2410 [2022-02-10 23:43:37,190 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=356, Invalid=1284, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:43:37,191 INFO L934 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, 0.8s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:37,191 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 1062 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-10 23:43:37,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-02-10 23:43:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 1430. [2022-02-10 23:43:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1423 states have (on average 1.8678847505270555) internal successors, (2658), 1429 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2658 transitions. [2022-02-10 23:43:37,213 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2658 transitions. Word has length 113 [2022-02-10 23:43:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:37,213 INFO L470 AbstractCegarLoop]: Abstraction has 1430 states and 2658 transitions. [2022-02-10 23:43:37,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2658 transitions. [2022-02-10 23:43:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:37,216 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:37,216 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:37,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-10 23:43:37,216 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:37,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:37,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1665577627, now seen corresponding path program 5 times [2022-02-10 23:43:37,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:37,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957129775] [2022-02-10 23:43:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:37,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:37,968 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:37,968 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957129775] [2022-02-10 23:43:37,968 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957129775] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:37,968 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:37,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:43:37,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98451067] [2022-02-10 23:43:37,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:37,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:43:37,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:37,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:43:37,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:43:37,969 INFO L87 Difference]: Start difference. First operand 1430 states and 2658 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:39,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:39,407 INFO L93 Difference]: Finished difference Result 2381 states and 4411 transitions. [2022-02-10 23:43:39,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:43:39,408 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:39,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:39,411 INFO L225 Difference]: With dead ends: 2381 [2022-02-10 23:43:39,411 INFO L226 Difference]: Without dead ends: 2381 [2022-02-10 23:43:39,411 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=366, Invalid=1274, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:43:39,412 INFO L934 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 [2022-02-10 23:43:39,412 INFO L935 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] [2022-02-10 23:43:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-02-10 23:43:39,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1432. [2022-02-10 23:43:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8673684210526316) internal successors, (2661), 1431 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-02-10 23:43:39,429 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-02-10 23:43:39,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:39,429 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-02-10 23:43:39,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:39,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-02-10 23:43:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:39,432 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:39,432 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:39,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-10 23:43:39,432 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:39,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:39,433 INFO L85 PathProgramCache]: Analyzing trace with hash 465106407, now seen corresponding path program 6 times [2022-02-10 23:43:39,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:39,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202885523] [2022-02-10 23:43:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:39,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:40,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:40,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202885523] [2022-02-10 23:43:40,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202885523] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:40,300 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:40,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:43:40,300 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898412544] [2022-02-10 23:43:40,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:40,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:43:40,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:40,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:43:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:43:40,302 INFO L87 Difference]: Start difference. First operand 1432 states and 2661 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:41,483 INFO L93 Difference]: Finished difference Result 2374 states and 4405 transitions. [2022-02-10 23:43:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:43:41,483 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:41,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:41,486 INFO L225 Difference]: With dead ends: 2374 [2022-02-10 23:43:41,486 INFO L226 Difference]: Without dead ends: 2374 [2022-02-10 23:43:41,486 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:43:41,487 INFO L934 BasicCegarLoop]: 135 mSDtfsCounter, 796 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:41,487 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 747 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:41,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2022-02-10 23:43:41,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 1432. [2022-02-10 23:43:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8673684210526316) internal successors, (2661), 1431 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-02-10 23:43:41,506 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-02-10 23:43:41,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:41,506 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-02-10 23:43:41,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-02-10 23:43:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:41,509 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:41,509 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:41,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-10 23:43:41,510 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:41,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:41,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2040785995, now seen corresponding path program 12 times [2022-02-10 23:43:41,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:41,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697121371] [2022-02-10 23:43:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:41,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:42,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:42,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697121371] [2022-02-10 23:43:42,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697121371] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:42,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:42,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:42,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151791101] [2022-02-10 23:43:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:42,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:42,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:42,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:42,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:42,283 INFO L87 Difference]: Start difference. First operand 1432 states and 2661 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:43,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:43,142 INFO L93 Difference]: Finished difference Result 1812 states and 3369 transitions. [2022-02-10 23:43:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:43:43,143 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:43,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:43,145 INFO L225 Difference]: With dead ends: 1812 [2022-02-10 23:43:43,146 INFO L226 Difference]: Without dead ends: 1812 [2022-02-10 23:43:43,146 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-02-10 23:43:43,147 INFO L934 BasicCegarLoop]: 194 mSDtfsCounter, 255 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:43,147 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 780 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:43,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-02-10 23:43:43,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1454. [2022-02-10 23:43:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1447 states have (on average 1.8693849343469247) internal successors, (2705), 1453 states have internal predecessors, (2705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-02-10 23:43:43,165 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-02-10 23:43:43,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:43,165 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-02-10 23:43:43,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:43,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-02-10 23:43:43,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:43,167 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:43,168 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:43,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-10 23:43:43,168 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:43,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:43,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1517209201, now seen corresponding path program 13 times [2022-02-10 23:43:43,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:43,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636903626] [2022-02-10 23:43:43,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:43,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:43,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:43,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636903626] [2022-02-10 23:43:43,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636903626] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:43,912 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:43,912 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:43,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68167932] [2022-02-10 23:43:43,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:43,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:43,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:43,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:43,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:43,914 INFO L87 Difference]: Start difference. First operand 1454 states and 2705 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:44,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:44,766 INFO L93 Difference]: Finished difference Result 1833 states and 3403 transitions. [2022-02-10 23:43:44,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 23:43:44,766 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:44,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:44,768 INFO L225 Difference]: With dead ends: 1833 [2022-02-10 23:43:44,768 INFO L226 Difference]: Without dead ends: 1833 [2022-02-10 23:43:44,768 INFO L933 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 [2022-02-10 23:43:44,769 INFO L934 BasicCegarLoop]: 180 mSDtfsCounter, 212 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:44,769 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 888 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2022-02-10 23:43:44,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1418. [2022-02-10 23:43:44,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.8660524450744154) internal successors, (2633), 1417 states have internal predecessors, (2633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2633 transitions. [2022-02-10 23:43:44,783 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2633 transitions. Word has length 113 [2022-02-10 23:43:44,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:44,784 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2633 transitions. [2022-02-10 23:43:44,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2633 transitions. [2022-02-10 23:43:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:44,786 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:44,786 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:44,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-10 23:43:44,786 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:44,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:44,787 INFO L85 PathProgramCache]: Analyzing trace with hash -345713763, now seen corresponding path program 14 times [2022-02-10 23:43:44,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:44,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035018098] [2022-02-10 23:43:44,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:44,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:45,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:45,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035018098] [2022-02-10 23:43:45,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035018098] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:45,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:45,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:45,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764519713] [2022-02-10 23:43:45,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:45,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:45,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:45,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:45,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:45,753 INFO L87 Difference]: Start difference. First operand 1418 states and 2633 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:46,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:46,949 INFO L93 Difference]: Finished difference Result 2141 states and 4005 transitions. [2022-02-10 23:43:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-10 23:43:46,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:46,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:46,951 INFO L225 Difference]: With dead ends: 2141 [2022-02-10 23:43:46,951 INFO L226 Difference]: Without dead ends: 2141 [2022-02-10 23:43:46,952 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2022-02-10 23:43:46,952 INFO L934 BasicCegarLoop]: 205 mSDtfsCounter, 250 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:46,952 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 951 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 23:43:46,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-02-10 23:43:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1441. [2022-02-10 23:43:46,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8682008368200838) internal successors, (2679), 1440 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-02-10 23:43:46,971 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-02-10 23:43:46,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:46,972 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-02-10 23:43:46,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-02-10 23:43:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:46,974 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:46,974 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:46,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-10 23:43:46,974 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:46,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash 391258337, now seen corresponding path program 15 times [2022-02-10 23:43:46,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:46,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9165981] [2022-02-10 23:43:46,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:46,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:48,056 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:48,056 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9165981] [2022-02-10 23:43:48,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9165981] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:48,056 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:48,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:48,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514800818] [2022-02-10 23:43:48,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:48,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:48,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:48,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:48,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:48,058 INFO L87 Difference]: Start difference. First operand 1441 states and 2679 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:49,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:49,092 INFO L93 Difference]: Finished difference Result 2164 states and 4051 transitions. [2022-02-10 23:43:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:43:49,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:49,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:49,102 INFO L225 Difference]: With dead ends: 2164 [2022-02-10 23:43:49,103 INFO L226 Difference]: Without dead ends: 2164 [2022-02-10 23:43:49,103 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2022-02-10 23:43:49,103 INFO L934 BasicCegarLoop]: 196 mSDtfsCounter, 224 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:49,103 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 896 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:43:49,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2022-02-10 23:43:49,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1429. [2022-02-10 23:43:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8670886075949367) internal successors, (2655), 1428 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2655 transitions. [2022-02-10 23:43:49,117 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2655 transitions. Word has length 113 [2022-02-10 23:43:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:49,117 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2655 transitions. [2022-02-10 23:43:49,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2655 transitions. [2022-02-10 23:43:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:49,119 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:49,119 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:49,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-10 23:43:49,119 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:49,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1019042155, now seen corresponding path program 16 times [2022-02-10 23:43:49,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:49,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88213633] [2022-02-10 23:43:49,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:49,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:49,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:49,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88213633] [2022-02-10 23:43:49,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88213633] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:49,889 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:49,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:43:49,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277802129] [2022-02-10 23:43:49,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:49,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:43:49,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:49,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:43:49,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:43:49,890 INFO L87 Difference]: Start difference. First operand 1429 states and 2655 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:50,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:50,658 INFO L93 Difference]: Finished difference Result 2084 states and 3901 transitions. [2022-02-10 23:43:50,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:43:50,658 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:50,661 INFO L225 Difference]: With dead ends: 2084 [2022-02-10 23:43:50,661 INFO L226 Difference]: Without dead ends: 2084 [2022-02-10 23:43:50,662 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2022-02-10 23:43:50,662 INFO L934 BasicCegarLoop]: 182 mSDtfsCounter, 214 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:50,662 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 700 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-02-10 23:43:50,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1461. [2022-02-10 23:43:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8700137551581844) internal successors, (2719), 1460 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-02-10 23:43:50,683 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-02-10 23:43:50,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:50,683 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-02-10 23:43:50,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-02-10 23:43:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:50,685 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:50,685 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:50,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-10 23:43:50,685 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:50,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:50,686 INFO L85 PathProgramCache]: Analyzing trace with hash 550278619, now seen corresponding path program 17 times [2022-02-10 23:43:50,686 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:50,686 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947424281] [2022-02-10 23:43:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:50,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:51,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:51,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947424281] [2022-02-10 23:43:51,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947424281] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:51,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:51,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:51,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749188487] [2022-02-10 23:43:51,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:51,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:51,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:51,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:51,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:51,722 INFO L87 Difference]: Start difference. First operand 1461 states and 2719 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:52,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:52,837 INFO L93 Difference]: Finished difference Result 2133 states and 3991 transitions. [2022-02-10 23:43:52,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-10 23:43:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:52,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:52,840 INFO L225 Difference]: With dead ends: 2133 [2022-02-10 23:43:52,840 INFO L226 Difference]: Without dead ends: 2133 [2022-02-10 23:43:52,840 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2022-02-10 23:43:52,840 INFO L934 BasicCegarLoop]: 203 mSDtfsCounter, 271 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:52,840 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 781 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:43:52,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-02-10 23:43:52,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1472. [2022-02-10 23:43:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1465 states have (on average 1.8709897610921502) internal successors, (2741), 1471 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 2741 transitions. [2022-02-10 23:43:52,855 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 2741 transitions. Word has length 113 [2022-02-10 23:43:52,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:52,856 INFO L470 AbstractCegarLoop]: Abstraction has 1472 states and 2741 transitions. [2022-02-10 23:43:52,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2741 transitions. [2022-02-10 23:43:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:52,858 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:52,858 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:52,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-10 23:43:52,858 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:52,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:52,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1287250719, now seen corresponding path program 18 times [2022-02-10 23:43:52,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:52,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708841250] [2022-02-10 23:43:52,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:52,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:54,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:54,044 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708841250] [2022-02-10 23:43:54,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708841250] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:54,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:54,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:54,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113459149] [2022-02-10 23:43:54,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:54,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:54,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:54,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:54,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:54,046 INFO L87 Difference]: Start difference. First operand 1472 states and 2741 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:55,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:55,299 INFO L93 Difference]: Finished difference Result 2106 states and 3946 transitions. [2022-02-10 23:43:55,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 23:43:55,299 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 [2022-02-10 23:43:55,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:55,301 INFO L225 Difference]: With dead ends: 2106 [2022-02-10 23:43:55,302 INFO L226 Difference]: Without dead ends: 2106 [2022-02-10 23:43:55,302 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-02-10 23:43:55,302 INFO L934 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 [2022-02-10 23:43:55,302 INFO L935 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] [2022-02-10 23:43:55,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2022-02-10 23:43:55,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1462. [2022-02-10 23:43:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8701030927835052) internal successors, (2721), 1461 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2721 transitions. [2022-02-10 23:43:55,323 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2721 transitions. Word has length 113 [2022-02-10 23:43:55,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:55,323 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2721 transitions. [2022-02-10 23:43:55,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2721 transitions. [2022-02-10 23:43:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:55,325 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:55,325 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:55,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-10 23:43:55,325 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:55,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:55,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1155252805, now seen corresponding path program 19 times [2022-02-10 23:43:55,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:55,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738131307] [2022-02-10 23:43:55,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:55,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:56,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:56,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738131307] [2022-02-10 23:43:56,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738131307] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:56,268 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:56,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:56,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112934780] [2022-02-10 23:43:56,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:56,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:56,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:56,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:56,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:56,269 INFO L87 Difference]: Start difference. First operand 1462 states and 2721 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:57,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:57,298 INFO L93 Difference]: Finished difference Result 2017 states and 3777 transitions. [2022-02-10 23:43:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:43:57,299 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 [2022-02-10 23:43:57,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:57,301 INFO L225 Difference]: With dead ends: 2017 [2022-02-10 23:43:57,301 INFO L226 Difference]: Without dead ends: 2017 [2022-02-10 23:43:57,301 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2022-02-10 23:43:57,302 INFO L934 BasicCegarLoop]: 190 mSDtfsCounter, 217 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:57,302 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 833 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:43:57,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-02-10 23:43:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1461. [2022-02-10 23:43:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8700137551581844) internal successors, (2719), 1460 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-02-10 23:43:57,315 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-02-10 23:43:57,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:57,315 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-02-10 23:43:57,316 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) [2022-02-10 23:43:57,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-02-10 23:43:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:57,317 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:57,317 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:57,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-10 23:43:57,317 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:57,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:57,318 INFO L85 PathProgramCache]: Analyzing trace with hash 279544873, now seen corresponding path program 20 times [2022-02-10 23:43:57,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:57,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369550719] [2022-02-10 23:43:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:57,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:58,152 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:58,152 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369550719] [2022-02-10 23:43:58,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369550719] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:58,152 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:58,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:58,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569869453] [2022-02-10 23:43:58,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:58,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:58,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:58,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:58,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:58,154 INFO L87 Difference]: Start difference. First operand 1461 states and 2719 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:59,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:59,034 INFO L93 Difference]: Finished difference Result 1810 states and 3367 transitions. [2022-02-10 23:43:59,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:43:59,034 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:43:59,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:59,036 INFO L225 Difference]: With dead ends: 1810 [2022-02-10 23:43:59,036 INFO L226 Difference]: Without dead ends: 1810 [2022-02-10 23:43:59,036 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-02-10 23:43:59,036 INFO L934 BasicCegarLoop]: 201 mSDtfsCounter, 256 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:59,037 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 813 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:43:59,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-02-10 23:43:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1469. [2022-02-10 23:43:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1462 states have (on average 1.8707250341997264) internal successors, (2735), 1468 states have internal predecessors, (2735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2735 transitions. [2022-02-10 23:43:59,053 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2735 transitions. Word has length 113 [2022-02-10 23:43:59,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:59,053 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2735 transitions. [2022-02-10 23:43:59,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:43:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2735 transitions. [2022-02-10 23:43:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:43:59,055 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:59,055 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:59,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-10 23:43:59,055 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:43:59,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1016516973, now seen corresponding path program 21 times [2022-02-10 23:43:59,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:59,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962923618] [2022-02-10 23:43:59,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:59,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:43:59,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:59,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962923618] [2022-02-10 23:43:59,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962923618] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:59,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:59,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:43:59,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260960582] [2022-02-10 23:43:59,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:59,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:43:59,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:59,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:43:59,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:43:59,985 INFO L87 Difference]: Start difference. First operand 1469 states and 2735 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:00,748 INFO L93 Difference]: Finished difference Result 1809 states and 3365 transitions. [2022-02-10 23:44:00,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 23:44:00,749 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:00,751 INFO L225 Difference]: With dead ends: 1809 [2022-02-10 23:44:00,751 INFO L226 Difference]: Without dead ends: 1809 [2022-02-10 23:44:00,751 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:44:00,751 INFO L934 BasicCegarLoop]: 187 mSDtfsCounter, 227 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:00,753 INFO L935 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] [2022-02-10 23:44:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-02-10 23:44:00,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1443. [2022-02-10 23:44:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1436 states have (on average 1.8683844011142061) internal successors, (2683), 1442 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:00,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 2683 transitions. [2022-02-10 23:44:00,770 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 2683 transitions. Word has length 113 [2022-02-10 23:44:00,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:00,770 INFO L470 AbstractCegarLoop]: Abstraction has 1443 states and 2683 transitions. [2022-02-10 23:44:00,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2683 transitions. [2022-02-10 23:44:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:00,772 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:00,772 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:00,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-10 23:44:00,773 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1175537255, now seen corresponding path program 22 times [2022-02-10 23:44:00,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:00,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602037091] [2022-02-10 23:44:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:00,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:01,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:01,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602037091] [2022-02-10 23:44:01,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602037091] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:01,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:01,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:01,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191246465] [2022-02-10 23:44:01,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:01,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:01,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:01,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:01,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:01,652 INFO L87 Difference]: Start difference. First operand 1443 states and 2683 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:02,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:02,737 INFO L93 Difference]: Finished difference Result 2052 states and 3829 transitions. [2022-02-10 23:44:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-10 23:44:02,738 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:02,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:02,740 INFO L225 Difference]: With dead ends: 2052 [2022-02-10 23:44:02,740 INFO L226 Difference]: Without dead ends: 2052 [2022-02-10 23:44:02,740 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2022-02-10 23:44:02,741 INFO L934 BasicCegarLoop]: 212 mSDtfsCounter, 236 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:02,741 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 886 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:44:02,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2022-02-10 23:44:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1454. [2022-02-10 23:44:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1447 states have (on average 1.8693849343469247) internal successors, (2705), 1453 states have internal predecessors, (2705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-02-10 23:44:02,756 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-02-10 23:44:02,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:02,757 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-02-10 23:44:02,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-02-10 23:44:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:02,759 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:02,759 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:02,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-10 23:44:02,759 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:02,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:02,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1912509355, now seen corresponding path program 23 times [2022-02-10 23:44:02,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:02,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926826299] [2022-02-10 23:44:02,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:02,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:03,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:03,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926826299] [2022-02-10 23:44:03,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926826299] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:03,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:03,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:03,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778285501] [2022-02-10 23:44:03,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:03,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:03,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:03,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:03,811 INFO L87 Difference]: Start difference. First operand 1454 states and 2705 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:04,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:04,877 INFO L93 Difference]: Finished difference Result 2031 states and 3796 transitions. [2022-02-10 23:44:04,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 23:44:04,878 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:04,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:04,880 INFO L225 Difference]: With dead ends: 2031 [2022-02-10 23:44:04,880 INFO L226 Difference]: Without dead ends: 2031 [2022-02-10 23:44:04,881 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2022-02-10 23:44:04,881 INFO L934 BasicCegarLoop]: 203 mSDtfsCounter, 228 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:04,881 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 977 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:44:04,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2022-02-10 23:44:04,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1444. [2022-02-10 23:44:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1437 states have (on average 1.8684759916492693) internal successors, (2685), 1443 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2685 transitions. [2022-02-10 23:44:04,895 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2685 transitions. Word has length 113 [2022-02-10 23:44:04,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:04,895 INFO L470 AbstractCegarLoop]: Abstraction has 1444 states and 2685 transitions. [2022-02-10 23:44:04,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2685 transitions. [2022-02-10 23:44:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:04,897 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:04,897 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:04,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-10 23:44:04,897 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:04,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:04,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1780511441, now seen corresponding path program 24 times [2022-02-10 23:44:04,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:04,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259976551] [2022-02-10 23:44:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:05,733 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:05,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259976551] [2022-02-10 23:44:05,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259976551] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:05,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:05,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:05,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049262856] [2022-02-10 23:44:05,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:05,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:05,734 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:05,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:05,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:05,734 INFO L87 Difference]: Start difference. First operand 1444 states and 2685 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:06,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:06,669 INFO L93 Difference]: Finished difference Result 1924 states and 3591 transitions. [2022-02-10 23:44:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:44:06,669 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:06,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:06,671 INFO L225 Difference]: With dead ends: 1924 [2022-02-10 23:44:06,671 INFO L226 Difference]: Without dead ends: 1924 [2022-02-10 23:44:06,671 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-02-10 23:44:06,671 INFO L934 BasicCegarLoop]: 199 mSDtfsCounter, 242 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:06,672 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 735 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2022-02-10 23:44:06,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1442. [2022-02-10 23:44:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.8682926829268294) internal successors, (2681), 1441 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2681 transitions. [2022-02-10 23:44:06,686 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2681 transitions. Word has length 113 [2022-02-10 23:44:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:06,687 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2681 transitions. [2022-02-10 23:44:06,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2681 transitions. [2022-02-10 23:44:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:06,688 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:06,688 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:06,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-10 23:44:06,688 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:06,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:06,689 INFO L85 PathProgramCache]: Analyzing trace with hash -960869493, now seen corresponding path program 25 times [2022-02-10 23:44:06,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:06,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384344921] [2022-02-10 23:44:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:07,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:07,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384344921] [2022-02-10 23:44:07,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384344921] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:07,445 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:07,445 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:07,445 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966014438] [2022-02-10 23:44:07,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:07,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:07,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:07,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:07,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:07,446 INFO L87 Difference]: Start difference. First operand 1442 states and 2681 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:08,157 INFO L93 Difference]: Finished difference Result 1696 states and 3150 transitions. [2022-02-10 23:44:08,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 23:44:08,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:08,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:08,159 INFO L225 Difference]: With dead ends: 1696 [2022-02-10 23:44:08,159 INFO L226 Difference]: Without dead ends: 1696 [2022-02-10 23:44:08,160 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-02-10 23:44:08,160 INFO L934 BasicCegarLoop]: 207 mSDtfsCounter, 245 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:08,160 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 830 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2022-02-10 23:44:08,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1413. [2022-02-10 23:44:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1406 states have (on average 1.864864864864865) internal successors, (2622), 1412 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2622 transitions. [2022-02-10 23:44:08,173 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2622 transitions. Word has length 113 [2022-02-10 23:44:08,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:08,174 INFO L470 AbstractCegarLoop]: Abstraction has 1413 states and 2622 transitions. [2022-02-10 23:44:08,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2622 transitions. [2022-02-10 23:44:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:08,175 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:08,175 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:08,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-10 23:44:08,175 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:08,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:08,176 INFO L85 PathProgramCache]: Analyzing trace with hash -622605481, now seen corresponding path program 7 times [2022-02-10 23:44:08,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:08,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127787189] [2022-02-10 23:44:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:08,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:08,651 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:08,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:08,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127787189] [2022-02-10 23:44:08,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127787189] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:08,652 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:08,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:08,652 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192585808] [2022-02-10 23:44:08,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:08,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:08,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:08,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:08,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:08,653 INFO L87 Difference]: Start difference. First operand 1413 states and 2622 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:09,864 INFO L93 Difference]: Finished difference Result 2123 states and 3907 transitions. [2022-02-10 23:44:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-10 23:44:09,864 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 [2022-02-10 23:44:09,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:09,866 INFO L225 Difference]: With dead ends: 2123 [2022-02-10 23:44:09,866 INFO L226 Difference]: Without dead ends: 2123 [2022-02-10 23:44:09,867 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-02-10 23:44:09,867 INFO L934 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, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:09,867 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 1209 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:44:09,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-02-10 23:44:09,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1414. [2022-02-10 23:44:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1407 states have (on average 1.8649609097370292) internal successors, (2624), 1413 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2624 transitions. [2022-02-10 23:44:09,880 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2624 transitions. Word has length 113 [2022-02-10 23:44:09,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:09,880 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 2624 transitions. [2022-02-10 23:44:09,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2624 transitions. [2022-02-10 23:44:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:09,881 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:09,882 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:09,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-10 23:44:09,882 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:09,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:09,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1222546365, now seen corresponding path program 8 times [2022-02-10 23:44:09,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:09,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370273301] [2022-02-10 23:44:09,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:09,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:10,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:10,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370273301] [2022-02-10 23:44:10,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370273301] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:10,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:10,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:10,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357553970] [2022-02-10 23:44:10,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:10,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:10,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:10,509 INFO L87 Difference]: Start difference. First operand 1414 states and 2624 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:11,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:11,741 INFO L93 Difference]: Finished difference Result 1991 states and 3671 transitions. [2022-02-10 23:44:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-10 23:44:11,741 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:11,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:11,743 INFO L225 Difference]: With dead ends: 1991 [2022-02-10 23:44:11,743 INFO L226 Difference]: Without dead ends: 1991 [2022-02-10 23:44:11,744 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=357, Invalid=1365, Unknown=0, NotChecked=0, Total=1722 [2022-02-10 23:44:11,744 INFO L934 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 [2022-02-10 23:44:11,745 INFO L935 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] [2022-02-10 23:44:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-02-10 23:44:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1415. [2022-02-10 23:44:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1408 states have (on average 1.8650568181818181) internal successors, (2626), 1414 states have internal predecessors, (2626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 2626 transitions. [2022-02-10 23:44:11,758 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 2626 transitions. Word has length 113 [2022-02-10 23:44:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:11,758 INFO L470 AbstractCegarLoop]: Abstraction has 1415 states and 2626 transitions. [2022-02-10 23:44:11,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2626 transitions. [2022-02-10 23:44:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:11,760 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:11,760 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:11,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-10 23:44:11,760 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:11,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:11,761 INFO L85 PathProgramCache]: Analyzing trace with hash -264885827, now seen corresponding path program 9 times [2022-02-10 23:44:11,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:11,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844199449] [2022-02-10 23:44:11,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:11,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:12,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:12,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844199449] [2022-02-10 23:44:12,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844199449] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:12,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:12,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:12,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97178427] [2022-02-10 23:44:12,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:12,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:12,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:12,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:12,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:12,229 INFO L87 Difference]: Start difference. First operand 1415 states and 2626 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:12,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:12,768 INFO L93 Difference]: Finished difference Result 1802 states and 3310 transitions. [2022-02-10 23:44:12,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:44:12,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:12,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:12,771 INFO L225 Difference]: With dead ends: 1802 [2022-02-10 23:44:12,771 INFO L226 Difference]: Without dead ends: 1802 [2022-02-10 23:44:12,771 INFO L933 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 [2022-02-10 23:44:12,771 INFO L934 BasicCegarLoop]: 131 mSDtfsCounter, 191 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:12,772 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 492 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:44:12,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2022-02-10 23:44:12,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1416. [2022-02-10 23:44:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1409 states have (on average 1.865152590489709) internal successors, (2628), 1415 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2628 transitions. [2022-02-10 23:44:12,786 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2628 transitions. Word has length 113 [2022-02-10 23:44:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:12,786 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2628 transitions. [2022-02-10 23:44:12,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2628 transitions. [2022-02-10 23:44:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:12,788 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:12,788 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:12,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-10 23:44:12,789 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1865798207, now seen corresponding path program 10 times [2022-02-10 23:44:12,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:12,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008926889] [2022-02-10 23:44:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:13,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:13,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008926889] [2022-02-10 23:44:13,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008926889] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:13,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:13,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:13,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602171004] [2022-02-10 23:44:13,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:13,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:13,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:13,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:13,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:13,451 INFO L87 Difference]: Start difference. First operand 1416 states and 2628 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:14,707 INFO L93 Difference]: Finished difference Result 1973 states and 3635 transitions. [2022-02-10 23:44:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-10 23:44:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:14,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:14,710 INFO L225 Difference]: With dead ends: 1973 [2022-02-10 23:44:14,710 INFO L226 Difference]: Without dead ends: 1973 [2022-02-10 23:44:14,710 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=360, Invalid=1362, Unknown=0, NotChecked=0, Total=1722 [2022-02-10 23:44:14,711 INFO L934 BasicCegarLoop]: 210 mSDtfsCounter, 683 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:14,711 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [683 Valid, 1438 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:44:14,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-02-10 23:44:14,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1411. [2022-02-10 23:44:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1404 states have (on average 1.8646723646723646) internal successors, (2618), 1410 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2618 transitions. [2022-02-10 23:44:14,723 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2618 transitions. Word has length 113 [2022-02-10 23:44:14,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:14,723 INFO L470 AbstractCegarLoop]: Abstraction has 1411 states and 2618 transitions. [2022-02-10 23:44:14,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2618 transitions. [2022-02-10 23:44:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:14,725 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:14,725 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:14,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-10 23:44:14,725 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:14,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:14,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1213434585, now seen corresponding path program 11 times [2022-02-10 23:44:14,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:14,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470352353] [2022-02-10 23:44:14,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:14,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:15,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:15,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470352353] [2022-02-10 23:44:15,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470352353] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:15,198 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:15,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:15,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082886066] [2022-02-10 23:44:15,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:15,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:15,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:15,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:15,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:15,199 INFO L87 Difference]: Start difference. First operand 1411 states and 2618 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:16,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:16,049 INFO L93 Difference]: Finished difference Result 1667 states and 3081 transitions. [2022-02-10 23:44:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:44:16,049 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:16,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:16,051 INFO L225 Difference]: With dead ends: 1667 [2022-02-10 23:44:16,051 INFO L226 Difference]: Without dead ends: 1667 [2022-02-10 23:44:16,052 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=1040, Unknown=0, NotChecked=0, Total=1332 [2022-02-10 23:44:16,052 INFO L934 BasicCegarLoop]: 184 mSDtfsCounter, 712 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:16,052 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [712 Valid, 1082 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:16,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-02-10 23:44:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1405. [2022-02-10 23:44:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-02-10 23:44:16,064 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-02-10 23:44:16,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:16,064 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-02-10 23:44:16,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-02-10 23:44:16,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:16,066 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:16,066 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:16,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-10 23:44:16,066 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:16,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:16,067 INFO L85 PathProgramCache]: Analyzing trace with hash 631717261, now seen corresponding path program 12 times [2022-02-10 23:44:16,067 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:16,067 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602355698] [2022-02-10 23:44:16,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:16,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:16,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:16,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602355698] [2022-02-10 23:44:16,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602355698] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:16,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:16,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:16,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094989799] [2022-02-10 23:44:16,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:16,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:16,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:16,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:16,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:16,634 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:17,718 INFO L93 Difference]: Finished difference Result 1711 states and 3154 transitions. [2022-02-10 23:44:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:44:17,718 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:17,720 INFO L225 Difference]: With dead ends: 1711 [2022-02-10 23:44:17,720 INFO L226 Difference]: Without dead ends: 1711 [2022-02-10 23:44:17,720 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:44:17,721 INFO L934 BasicCegarLoop]: 191 mSDtfsCounter, 665 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:17,721 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 1274 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-02-10 23:44:17,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1406. [2022-02-10 23:44:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8641887062187277) internal successors, (2608), 1405 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-02-10 23:44:17,732 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-02-10 23:44:17,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:17,732 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-02-10 23:44:17,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-02-10 23:44:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:17,734 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:17,734 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:17,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-10 23:44:17,734 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:17,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:17,734 INFO L85 PathProgramCache]: Analyzing trace with hash -855714931, now seen corresponding path program 13 times [2022-02-10 23:44:17,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:17,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799903019] [2022-02-10 23:44:17,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:17,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:18,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:18,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799903019] [2022-02-10 23:44:18,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799903019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:18,305 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:18,305 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:18,305 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989425025] [2022-02-10 23:44:18,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:18,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:18,305 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:18,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:18,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:18,306 INFO L87 Difference]: Start difference. First operand 1406 states and 2608 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:19,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:19,406 INFO L93 Difference]: Finished difference Result 1692 states and 3116 transitions. [2022-02-10 23:44:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:44:19,406 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:19,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:19,408 INFO L225 Difference]: With dead ends: 1692 [2022-02-10 23:44:19,408 INFO L226 Difference]: Without dead ends: 1692 [2022-02-10 23:44:19,409 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:44:19,409 INFO L934 BasicCegarLoop]: 188 mSDtfsCounter, 620 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:19,409 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 1271 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2022-02-10 23:44:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1407. [2022-02-10 23:44:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8642857142857143) internal successors, (2610), 1406 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2610 transitions. [2022-02-10 23:44:19,424 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2610 transitions. Word has length 113 [2022-02-10 23:44:19,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:19,425 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2610 transitions. [2022-02-10 23:44:19,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2610 transitions. [2022-02-10 23:44:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:19,427 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:19,427 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:19,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-10 23:44:19,427 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:19,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:19,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1274969103, now seen corresponding path program 14 times [2022-02-10 23:44:19,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:19,428 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989278876] [2022-02-10 23:44:19,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:19,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:19,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:19,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989278876] [2022-02-10 23:44:19,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989278876] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:19,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:19,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:19,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158229008] [2022-02-10 23:44:19,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:19,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:19,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:19,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:19,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:19,990 INFO L87 Difference]: Start difference. First operand 1407 states and 2610 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:21,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:21,225 INFO L93 Difference]: Finished difference Result 1693 states and 3118 transitions. [2022-02-10 23:44:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-10 23:44:21,226 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:21,227 INFO L225 Difference]: With dead ends: 1693 [2022-02-10 23:44:21,227 INFO L226 Difference]: Without dead ends: 1693 [2022-02-10 23:44:21,228 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=382, Invalid=1340, Unknown=0, NotChecked=0, Total=1722 [2022-02-10 23:44:21,228 INFO L934 BasicCegarLoop]: 195 mSDtfsCounter, 642 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:21,228 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [642 Valid, 1435 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:44:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2022-02-10 23:44:21,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1404. [2022-02-10 23:44:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-10 23:44:21,240 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-10 23:44:21,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:21,240 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-10 23:44:21,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-10 23:44:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:21,242 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:21,242 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:21,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-10 23:44:21,242 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:21,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:21,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2053611957, now seen corresponding path program 15 times [2022-02-10 23:44:21,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:21,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528395995] [2022-02-10 23:44:21,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:21,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:21,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:21,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528395995] [2022-02-10 23:44:21,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528395995] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:21,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:21,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:21,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146920461] [2022-02-10 23:44:21,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:21,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:21,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:21,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:21,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:21,652 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:22,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:22,630 INFO L93 Difference]: Finished difference Result 1648 states and 3043 transitions. [2022-02-10 23:44:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-10 23:44:22,631 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:22,633 INFO L225 Difference]: With dead ends: 1648 [2022-02-10 23:44:22,633 INFO L226 Difference]: Without dead ends: 1648 [2022-02-10 23:44:22,633 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-02-10 23:44:22,633 INFO L934 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, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:22,633 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 1439 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:44:22,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2022-02-10 23:44:22,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1405. [2022-02-10 23:44:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-02-10 23:44:22,647 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-02-10 23:44:22,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:22,647 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-02-10 23:44:22,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-02-10 23:44:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:22,649 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:22,649 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:22,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-10 23:44:22,649 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:22,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:22,650 INFO L85 PathProgramCache]: Analyzing trace with hash 566179765, now seen corresponding path program 16 times [2022-02-10 23:44:22,650 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:22,650 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183200378] [2022-02-10 23:44:22,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:22,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:23,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:23,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183200378] [2022-02-10 23:44:23,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183200378] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:23,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:23,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:23,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479069395] [2022-02-10 23:44:23,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:23,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:23,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:23,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:23,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:23,230 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:24,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:24,273 INFO L93 Difference]: Finished difference Result 1674 states and 3080 transitions. [2022-02-10 23:44:24,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:44:24,273 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:24,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:24,275 INFO L225 Difference]: With dead ends: 1674 [2022-02-10 23:44:24,275 INFO L226 Difference]: Without dead ends: 1674 [2022-02-10 23:44:24,275 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=359, Invalid=1281, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:44:24,276 INFO L934 BasicCegarLoop]: 202 mSDtfsCounter, 663 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:24,276 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [663 Valid, 1137 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:24,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2022-02-10 23:44:24,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1406. [2022-02-10 23:44:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8641887062187277) internal successors, (2608), 1405 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-02-10 23:44:24,289 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-02-10 23:44:24,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:24,289 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-02-10 23:44:24,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:24,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-02-10 23:44:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:24,290 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:24,290 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:24,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-10 23:44:24,291 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:24,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:24,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1598103497, now seen corresponding path program 17 times [2022-02-10 23:44:24,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:24,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264304051] [2022-02-10 23:44:24,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:24,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:24,659 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:24,659 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264304051] [2022-02-10 23:44:24,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264304051] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:24,659 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:24,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:24,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996013213] [2022-02-10 23:44:24,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:24,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:24,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:24,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:24,660 INFO L87 Difference]: Start difference. First operand 1406 states and 2608 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:25,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:25,201 INFO L93 Difference]: Finished difference Result 1510 states and 2780 transitions. [2022-02-10 23:44:25,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:44:25,201 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:25,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:25,203 INFO L225 Difference]: With dead ends: 1510 [2022-02-10 23:44:25,203 INFO L226 Difference]: Without dead ends: 1510 [2022-02-10 23:44:25,203 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:44:25,203 INFO L934 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 [2022-02-10 23:44:25,204 INFO L935 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] [2022-02-10 23:44:25,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2022-02-10 23:44:25,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1404. [2022-02-10 23:44:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-10 23:44:25,215 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-10 23:44:25,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:25,215 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-10 23:44:25,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-10 23:44:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:25,216 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:25,217 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:25,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-10 23:44:25,217 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:25,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:25,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1092675235, now seen corresponding path program 18 times [2022-02-10 23:44:25,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:25,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995698212] [2022-02-10 23:44:25,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:25,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:25,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:25,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995698212] [2022-02-10 23:44:25,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995698212] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:25,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:25,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:25,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011919798] [2022-02-10 23:44:25,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:25,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:25,646 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:25,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:25,646 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:26,544 INFO L93 Difference]: Finished difference Result 1610 states and 2974 transitions. [2022-02-10 23:44:26,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:44:26,544 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:26,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:26,546 INFO L225 Difference]: With dead ends: 1610 [2022-02-10 23:44:26,546 INFO L226 Difference]: Without dead ends: 1610 [2022-02-10 23:44:26,546 INFO L933 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 [2022-02-10 23:44:26,546 INFO L934 BasicCegarLoop]: 223 mSDtfsCounter, 694 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:26,546 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1513 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:26,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2022-02-10 23:44:26,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1404. [2022-02-10 23:44:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-10 23:44:26,557 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-10 23:44:26,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:26,557 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-10 23:44:26,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-10 23:44:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:26,559 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:26,559 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:26,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-10 23:44:26,559 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:26,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:26,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1108429891, now seen corresponding path program 19 times [2022-02-10 23:44:26,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:26,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802408289] [2022-02-10 23:44:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:26,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:27,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:27,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802408289] [2022-02-10 23:44:27,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802408289] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:27,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:27,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:27,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108447147] [2022-02-10 23:44:27,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:27,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:27,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:27,024 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:28,094 INFO L93 Difference]: Finished difference Result 1639 states and 3017 transitions. [2022-02-10 23:44:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:44:28,094 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:28,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:28,096 INFO L225 Difference]: With dead ends: 1639 [2022-02-10 23:44:28,096 INFO L226 Difference]: Without dead ends: 1639 [2022-02-10 23:44:28,096 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=363, Invalid=1277, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:44:28,096 INFO L934 BasicCegarLoop]: 230 mSDtfsCounter, 767 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:28,097 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 1349 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:28,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2022-02-10 23:44:28,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1405. [2022-02-10 23:44:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:28,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-02-10 23:44:28,108 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-02-10 23:44:28,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:28,108 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-02-10 23:44:28,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-02-10 23:44:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:28,109 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:28,110 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:28,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-10 23:44:28,110 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:28,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:28,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1055853371, now seen corresponding path program 20 times [2022-02-10 23:44:28,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:28,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80191978] [2022-02-10 23:44:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:28,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:28,594 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:28,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:28,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80191978] [2022-02-10 23:44:28,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80191978] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:28,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:28,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:44:28,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456124304] [2022-02-10 23:44:28,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:28,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:44:28,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:28,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:44:28,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:44:28,595 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:29,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:29,678 INFO L93 Difference]: Finished difference Result 1792 states and 3298 transitions. [2022-02-10 23:44:29,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-10 23:44:29,679 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:29,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:29,681 INFO L225 Difference]: With dead ends: 1792 [2022-02-10 23:44:29,681 INFO L226 Difference]: Without dead ends: 1792 [2022-02-10 23:44:29,681 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=329, Invalid=1231, Unknown=0, NotChecked=0, Total=1560 [2022-02-10 23:44:29,681 INFO L934 BasicCegarLoop]: 249 mSDtfsCounter, 684 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:29,681 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 1596 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:29,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-02-10 23:44:29,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1404. [2022-02-10 23:44:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-10 23:44:29,693 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-10 23:44:29,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:29,693 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-10 23:44:29,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-10 23:44:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:29,695 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:29,695 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:29,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-10 23:44:29,695 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:29,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:29,695 INFO L85 PathProgramCache]: Analyzing trace with hash 512524643, now seen corresponding path program 26 times [2022-02-10 23:44:29,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:29,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322871133] [2022-02-10 23:44:29,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:29,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:30,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:30,026 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322871133] [2022-02-10 23:44:30,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322871133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:30,026 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:30,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:30,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76221210] [2022-02-10 23:44:30,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:30,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:30,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:30,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:30,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:30,027 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:30,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:30,392 INFO L93 Difference]: Finished difference Result 1897 states and 3490 transitions. [2022-02-10 23:44:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:44:30,392 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:30,394 INFO L225 Difference]: With dead ends: 1897 [2022-02-10 23:44:30,394 INFO L226 Difference]: Without dead ends: 1897 [2022-02-10 23:44:30,394 INFO L933 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 [2022-02-10 23:44:30,394 INFO L934 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 [2022-02-10 23:44:30,395 INFO L935 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] [2022-02-10 23:44:30,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2022-02-10 23:44:30,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1461. [2022-02-10 23:44:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8693259972489684) internal successors, (2718), 1460 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2718 transitions. [2022-02-10 23:44:30,407 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2718 transitions. Word has length 113 [2022-02-10 23:44:30,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:30,407 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2718 transitions. [2022-02-10 23:44:30,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2718 transitions. [2022-02-10 23:44:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:30,408 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:30,409 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:30,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-10 23:44:30,409 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:30,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:30,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1627243649, now seen corresponding path program 2 times [2022-02-10 23:44:30,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:30,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463777002] [2022-02-10 23:44:30,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:30,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:30,733 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:30,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463777002] [2022-02-10 23:44:30,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463777002] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:30,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:30,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:30,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608439546] [2022-02-10 23:44:30,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:30,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:30,734 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:30,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:30,734 INFO L87 Difference]: Start difference. First operand 1461 states and 2718 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:31,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:31,180 INFO L93 Difference]: Finished difference Result 1908 states and 3511 transitions. [2022-02-10 23:44:31,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:44:31,181 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:31,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:31,183 INFO L225 Difference]: With dead ends: 1908 [2022-02-10 23:44:31,183 INFO L226 Difference]: Without dead ends: 1908 [2022-02-10 23:44:31,183 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:31,183 INFO L934 BasicCegarLoop]: 124 mSDtfsCounter, 197 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:31,183 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 510 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:31,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-02-10 23:44:31,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1441. [2022-02-10 23:44:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8682008368200838) internal successors, (2679), 1440 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-02-10 23:44:31,198 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-02-10 23:44:31,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:31,199 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-02-10 23:44:31,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-02-10 23:44:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:31,201 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:31,201 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:31,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-10 23:44:31,201 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:31,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:31,201 INFO L85 PathProgramCache]: Analyzing trace with hash -557415706, now seen corresponding path program 6 times [2022-02-10 23:44:31,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:31,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381189675] [2022-02-10 23:44:31,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:31,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:32,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:32,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381189675] [2022-02-10 23:44:32,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381189675] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:32,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:32,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:32,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242474021] [2022-02-10 23:44:32,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:32,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:32,014 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:32,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:32,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:32,015 INFO L87 Difference]: Start difference. First operand 1441 states and 2679 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:32,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:32,586 INFO L93 Difference]: Finished difference Result 2085 states and 3845 transitions. [2022-02-10 23:44:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:44:32,586 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:32,588 INFO L225 Difference]: With dead ends: 2085 [2022-02-10 23:44:32,588 INFO L226 Difference]: Without dead ends: 2085 [2022-02-10 23:44:32,588 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:44:32,589 INFO L934 BasicCegarLoop]: 157 mSDtfsCounter, 294 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:32,589 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 646 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:32,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2022-02-10 23:44:32,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1476. [2022-02-10 23:44:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1469 states have (on average 1.8713410483321988) internal successors, (2749), 1475 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2749 transitions. [2022-02-10 23:44:32,606 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2749 transitions. Word has length 113 [2022-02-10 23:44:32,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:32,606 INFO L470 AbstractCegarLoop]: Abstraction has 1476 states and 2749 transitions. [2022-02-10 23:44:32,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2749 transitions. [2022-02-10 23:44:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:32,607 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:32,608 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:32,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-10 23:44:32,608 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:32,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:32,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1692232760, now seen corresponding path program 7 times [2022-02-10 23:44:32,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:32,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209395873] [2022-02-10 23:44:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:33,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:33,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209395873] [2022-02-10 23:44:33,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209395873] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:33,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:33,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:44:33,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265158880] [2022-02-10 23:44:33,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:33,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:44:33,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:33,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:44:33,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:33,290 INFO L87 Difference]: Start difference. First operand 1476 states and 2749 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:33,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:33,770 INFO L93 Difference]: Finished difference Result 2073 states and 3821 transitions. [2022-02-10 23:44:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:44:33,771 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:33,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:33,773 INFO L225 Difference]: With dead ends: 2073 [2022-02-10 23:44:33,773 INFO L226 Difference]: Without dead ends: 2073 [2022-02-10 23:44:33,773 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:44:33,773 INFO L934 BasicCegarLoop]: 145 mSDtfsCounter, 263 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:33,773 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 588 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:33,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2022-02-10 23:44:33,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 1480. [2022-02-10 23:44:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1473 states have (on average 1.8716904276985744) internal successors, (2757), 1479 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:33,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2757 transitions. [2022-02-10 23:44:33,788 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2757 transitions. Word has length 113 [2022-02-10 23:44:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:33,788 INFO L470 AbstractCegarLoop]: Abstraction has 1480 states and 2757 transitions. [2022-02-10 23:44:33,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2757 transitions. [2022-02-10 23:44:33,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:33,790 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:33,790 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:33,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-10 23:44:33,790 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:33,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:33,790 INFO L85 PathProgramCache]: Analyzing trace with hash 390081924, now seen corresponding path program 8 times [2022-02-10 23:44:33,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:33,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188676291] [2022-02-10 23:44:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:33,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:34,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:34,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188676291] [2022-02-10 23:44:34,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188676291] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:34,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:34,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:34,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42339649] [2022-02-10 23:44:34,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:34,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:34,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:34,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:34,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:34,600 INFO L87 Difference]: Start difference. First operand 1480 states and 2757 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:35,181 INFO L93 Difference]: Finished difference Result 2154 states and 3983 transitions. [2022-02-10 23:44:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:44:35,181 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:35,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:35,183 INFO L225 Difference]: With dead ends: 2154 [2022-02-10 23:44:35,184 INFO L226 Difference]: Without dead ends: 2154 [2022-02-10 23:44:35,184 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:44:35,184 INFO L934 BasicCegarLoop]: 137 mSDtfsCounter, 284 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:35,184 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 529 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:35,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-02-10 23:44:35,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1493. [2022-02-10 23:44:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1486 states have (on average 1.8728129205921937) internal successors, (2783), 1492 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:35,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2783 transitions. [2022-02-10 23:44:35,199 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2783 transitions. Word has length 113 [2022-02-10 23:44:35,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:35,200 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 2783 transitions. [2022-02-10 23:44:35,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:35,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2783 transitions. [2022-02-10 23:44:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:35,201 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:35,201 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:35,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-10 23:44:35,202 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:35,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:35,202 INFO L85 PathProgramCache]: Analyzing trace with hash 282069162, now seen corresponding path program 9 times [2022-02-10 23:44:35,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:35,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431381064] [2022-02-10 23:44:35,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:35,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:35,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:35,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431381064] [2022-02-10 23:44:35,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431381064] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:35,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:35,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:35,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380401165] [2022-02-10 23:44:35,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:35,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:35,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:35,816 INFO L87 Difference]: Start difference. First operand 1493 states and 2783 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:36,392 INFO L93 Difference]: Finished difference Result 2221 states and 4117 transitions. [2022-02-10 23:44:36,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:44:36,392 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:36,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:36,394 INFO L225 Difference]: With dead ends: 2221 [2022-02-10 23:44:36,394 INFO L226 Difference]: Without dead ends: 2221 [2022-02-10 23:44:36,395 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:44:36,395 INFO L934 BasicCegarLoop]: 127 mSDtfsCounter, 259 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:36,395 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 620 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:36,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2022-02-10 23:44:36,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 1519. [2022-02-10 23:44:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1512 states have (on average 1.875) internal successors, (2835), 1518 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2835 transitions. [2022-02-10 23:44:36,409 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2835 transitions. Word has length 113 [2022-02-10 23:44:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:36,409 INFO L470 AbstractCegarLoop]: Abstraction has 1519 states and 2835 transitions. [2022-02-10 23:44:36,409 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) [2022-02-10 23:44:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2835 transitions. [2022-02-10 23:44:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:36,410 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:36,410 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:36,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-10 23:44:36,411 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:36,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:36,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1769406174, now seen corresponding path program 10 times [2022-02-10 23:44:36,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:36,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621832400] [2022-02-10 23:44:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:36,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:36,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621832400] [2022-02-10 23:44:36,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621832400] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:36,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:36,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:44:36,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471258067] [2022-02-10 23:44:36,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:36,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:44:36,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:36,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:44:36,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:36,805 INFO L87 Difference]: Start difference. First operand 1519 states and 2835 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:37,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:37,217 INFO L93 Difference]: Finished difference Result 2034 states and 3759 transitions. [2022-02-10 23:44:37,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:44:37,217 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:37,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:37,220 INFO L225 Difference]: With dead ends: 2034 [2022-02-10 23:44:37,220 INFO L226 Difference]: Without dead ends: 2034 [2022-02-10 23:44:37,220 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:37,220 INFO L934 BasicCegarLoop]: 125 mSDtfsCounter, 221 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:37,220 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 487 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:37,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2022-02-10 23:44:37,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1523. [2022-02-10 23:44:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1516 states have (on average 1.8753298153034301) internal successors, (2843), 1522 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2843 transitions. [2022-02-10 23:44:37,234 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2843 transitions. Word has length 113 [2022-02-10 23:44:37,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:37,234 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 2843 transitions. [2022-02-10 23:44:37,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2843 transitions. [2022-02-10 23:44:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:37,236 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:37,236 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:37,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-02-10 23:44:37,236 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:37,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:37,237 INFO L85 PathProgramCache]: Analyzing trace with hash -59279533, now seen corresponding path program 21 times [2022-02-10 23:44:37,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:37,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339845044] [2022-02-10 23:44:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:37,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:37,362 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:37,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339845044] [2022-02-10 23:44:37,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339845044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:37,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:37,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:37,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129249157] [2022-02-10 23:44:37,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:37,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:37,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:37,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:37,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:37,364 INFO L87 Difference]: Start difference. First operand 1523 states and 2843 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:38,001 INFO L93 Difference]: Finished difference Result 2022 states and 3738 transitions. [2022-02-10 23:44:38,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:44:38,002 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:38,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:38,004 INFO L225 Difference]: With dead ends: 2022 [2022-02-10 23:44:38,004 INFO L226 Difference]: Without dead ends: 2022 [2022-02-10 23:44:38,004 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2022-02-10 23:44:38,007 INFO L934 BasicCegarLoop]: 197 mSDtfsCounter, 288 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:38,007 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 689 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:38,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2022-02-10 23:44:38,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 1521. [2022-02-10 23:44:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1514 states have (on average 1.8751651254953765) internal successors, (2839), 1520 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2839 transitions. [2022-02-10 23:44:38,021 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2839 transitions. Word has length 113 [2022-02-10 23:44:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:38,021 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 2839 transitions. [2022-02-10 23:44:38,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2839 transitions. [2022-02-10 23:44:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:38,023 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:38,023 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:38,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-02-10 23:44:38,023 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:38,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:38,023 INFO L85 PathProgramCache]: Analyzing trace with hash -143889073, now seen corresponding path program 22 times [2022-02-10 23:44:38,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:38,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283525277] [2022-02-10 23:44:38,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:38,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:38,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:38,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283525277] [2022-02-10 23:44:38,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283525277] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:38,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:38,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:38,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769275780] [2022-02-10 23:44:38,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:38,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:38,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:38,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:38,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:38,360 INFO L87 Difference]: Start difference. First operand 1521 states and 2839 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:38,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:38,798 INFO L93 Difference]: Finished difference Result 2036 states and 3759 transitions. [2022-02-10 23:44:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:44:38,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:38,801 INFO L225 Difference]: With dead ends: 2036 [2022-02-10 23:44:38,801 INFO L226 Difference]: Without dead ends: 2036 [2022-02-10 23:44:38,801 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:38,801 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 210 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:38,801 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 543 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:38,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2022-02-10 23:44:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 1314. [2022-02-10 23:44:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1307 states have (on average 1.856159143075746) internal successors, (2426), 1313 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-02-10 23:44:38,814 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-02-10 23:44:38,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:38,814 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-02-10 23:44:38,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-02-10 23:44:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:38,815 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:38,815 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:38,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-02-10 23:44:38,816 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:38,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:38,816 INFO L85 PathProgramCache]: Analyzing trace with hash -572567800, now seen corresponding path program 11 times [2022-02-10 23:44:38,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:38,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491127044] [2022-02-10 23:44:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:38,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:39,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:39,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491127044] [2022-02-10 23:44:39,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491127044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:39,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:39,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:39,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769056194] [2022-02-10 23:44:39,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:39,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:39,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:39,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:39,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:39,544 INFO L87 Difference]: Start difference. First operand 1314 states and 2426 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:40,150 INFO L93 Difference]: Finished difference Result 1672 states and 3087 transitions. [2022-02-10 23:44:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:44:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:40,152 INFO L225 Difference]: With dead ends: 1672 [2022-02-10 23:44:40,152 INFO L226 Difference]: Without dead ends: 1672 [2022-02-10 23:44:40,152 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=121, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:44:40,152 INFO L934 BasicCegarLoop]: 150 mSDtfsCounter, 261 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:40,153 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 617 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:40,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2022-02-10 23:44:40,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1328. [2022-02-10 23:44:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1321 states have (on average 1.857683573050719) internal successors, (2454), 1327 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2454 transitions. [2022-02-10 23:44:40,172 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2454 transitions. Word has length 113 [2022-02-10 23:44:40,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:40,173 INFO L470 AbstractCegarLoop]: Abstraction has 1328 states and 2454 transitions. [2022-02-10 23:44:40,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2454 transitions. [2022-02-10 23:44:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:40,174 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:40,174 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:40,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-02-10 23:44:40,174 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:40,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:40,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1707384854, now seen corresponding path program 12 times [2022-02-10 23:44:40,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:40,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920388752] [2022-02-10 23:44:40,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:40,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:40,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:40,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920388752] [2022-02-10 23:44:40,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920388752] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:40,843 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:40,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:44:40,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206323402] [2022-02-10 23:44:40,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:40,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:44:40,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:40,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:44:40,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:40,844 INFO L87 Difference]: Start difference. First operand 1328 states and 2454 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:41,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:41,423 INFO L93 Difference]: Finished difference Result 1666 states and 3075 transitions. [2022-02-10 23:44:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:44:41,423 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:41,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:41,425 INFO L225 Difference]: With dead ends: 1666 [2022-02-10 23:44:41,425 INFO L226 Difference]: Without dead ends: 1666 [2022-02-10 23:44:41,425 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=107, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:44:41,425 INFO L934 BasicCegarLoop]: 138 mSDtfsCounter, 243 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:41,425 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 567 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:41,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-02-10 23:44:41,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1321. [2022-02-10 23:44:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 1314 states have (on average 1.856925418569254) internal successors, (2440), 1320 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 2440 transitions. [2022-02-10 23:44:41,436 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 2440 transitions. Word has length 113 [2022-02-10 23:44:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:41,436 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 2440 transitions. [2022-02-10 23:44:41,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2440 transitions. [2022-02-10 23:44:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:41,438 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:41,438 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:41,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-02-10 23:44:41,438 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:41,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:41,438 INFO L85 PathProgramCache]: Analyzing trace with hash 374929830, now seen corresponding path program 13 times [2022-02-10 23:44:41,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:41,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681757136] [2022-02-10 23:44:41,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:41,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:42,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:42,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681757136] [2022-02-10 23:44:42,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681757136] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:42,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:42,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:42,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168128912] [2022-02-10 23:44:42,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:42,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:42,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:42,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:42,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:42,252 INFO L87 Difference]: Start difference. First operand 1321 states and 2440 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:42,938 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-02-10 23:44:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:44:42,939 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:42,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:42,940 INFO L225 Difference]: With dead ends: 1735 [2022-02-10 23:44:42,940 INFO L226 Difference]: Without dead ends: 1735 [2022-02-10 23:44:42,941 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=159, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:44:42,941 INFO L934 BasicCegarLoop]: 130 mSDtfsCounter, 220 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:42,941 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 653 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-02-10 23:44:42,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1314. [2022-02-10 23:44:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1307 states have (on average 1.856159143075746) internal successors, (2426), 1313 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-02-10 23:44:42,954 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-02-10 23:44:42,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:42,954 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-02-10 23:44:42,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-02-10 23:44:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:42,955 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:42,955 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:42,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-02-10 23:44:42,955 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:42,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:42,956 INFO L85 PathProgramCache]: Analyzing trace with hash 266917068, now seen corresponding path program 14 times [2022-02-10 23:44:42,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:42,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41838138] [2022-02-10 23:44:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:43,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:43,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41838138] [2022-02-10 23:44:43,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41838138] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:43,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:43,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:43,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037970309] [2022-02-10 23:44:43,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:43,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:43,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:43,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:43,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:43,721 INFO L87 Difference]: Start difference. First operand 1314 states and 2426 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:44,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:44,124 INFO L93 Difference]: Finished difference Result 1612 states and 2982 transitions. [2022-02-10 23:44:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:44:44,124 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:44,126 INFO L225 Difference]: With dead ends: 1612 [2022-02-10 23:44:44,126 INFO L226 Difference]: Without dead ends: 1612 [2022-02-10 23:44:44,126 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=91, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:44:44,126 INFO L934 BasicCegarLoop]: 118 mSDtfsCounter, 188 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:44,127 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 491 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2022-02-10 23:44:44,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1308. [2022-02-10 23:44:44,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1301 states have (on average 1.8554957724827057) internal successors, (2414), 1307 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-02-10 23:44:44,138 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-02-10 23:44:44,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:44,138 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-02-10 23:44:44,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-02-10 23:44:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:44,139 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:44,139 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:44,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-02-10 23:44:44,139 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:44,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1602348004, now seen corresponding path program 15 times [2022-02-10 23:44:44,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:44,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810495283] [2022-02-10 23:44:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:44,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:44,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:44,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810495283] [2022-02-10 23:44:44,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810495283] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:44,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:44,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:44,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070226686] [2022-02-10 23:44:44,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:44,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:44,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:44,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:44,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:44,877 INFO L87 Difference]: Start difference. First operand 1308 states and 2414 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:45,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:45,555 INFO L93 Difference]: Finished difference Result 1617 states and 2979 transitions. [2022-02-10 23:44:45,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:44:45,556 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:45,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:45,557 INFO L225 Difference]: With dead ends: 1617 [2022-02-10 23:44:45,557 INFO L226 Difference]: Without dead ends: 1617 [2022-02-10 23:44:45,557 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=139, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:44:45,558 INFO L934 BasicCegarLoop]: 146 mSDtfsCounter, 240 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:45,558 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 642 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:45,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-02-10 23:44:45,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1315. [2022-02-10 23:44:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1308 states have (on average 1.856269113149847) internal successors, (2428), 1314 states have internal predecessors, (2428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 2428 transitions. [2022-02-10 23:44:45,570 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 2428 transitions. Word has length 113 [2022-02-10 23:44:45,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:45,570 INFO L470 AbstractCegarLoop]: Abstraction has 1315 states and 2428 transitions. [2022-02-10 23:44:45,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2428 transitions. [2022-02-10 23:44:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:45,572 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:45,572 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:45,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-02-10 23:44:45,572 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:45,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:45,573 INFO L85 PathProgramCache]: Analyzing trace with hash 467530950, now seen corresponding path program 16 times [2022-02-10 23:44:45,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:45,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97226971] [2022-02-10 23:44:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:46,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:46,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97226971] [2022-02-10 23:44:46,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97226971] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:46,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:46,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:44:46,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331637010] [2022-02-10 23:44:46,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:46,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:44:46,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:46,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:44:46,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:46,268 INFO L87 Difference]: Start difference. First operand 1315 states and 2428 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:46,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:46,857 INFO L93 Difference]: Finished difference Result 1611 states and 2967 transitions. [2022-02-10 23:44:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:44:46,858 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:46,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:46,860 INFO L225 Difference]: With dead ends: 1611 [2022-02-10 23:44:46,860 INFO L226 Difference]: Without dead ends: 1611 [2022-02-10 23:44:46,860 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=124, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:44:46,860 INFO L934 BasicCegarLoop]: 134 mSDtfsCounter, 228 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:46,860 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 489 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-02-10 23:44:46,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1308. [2022-02-10 23:44:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1301 states have (on average 1.8554957724827057) internal successors, (2414), 1307 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:46,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-02-10 23:44:46,874 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-02-10 23:44:46,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:46,874 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-02-10 23:44:46,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-02-10 23:44:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:46,875 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:46,875 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:46,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-02-10 23:44:46,875 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:46,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1745121662, now seen corresponding path program 17 times [2022-02-10 23:44:46,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:46,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463145286] [2022-02-10 23:44:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:46,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:47,820 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:47,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463145286] [2022-02-10 23:44:47,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463145286] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:47,820 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:47,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:47,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300040464] [2022-02-10 23:44:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:47,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:47,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:47,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:47,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:47,821 INFO L87 Difference]: Start difference. First operand 1308 states and 2414 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:48,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:48,525 INFO L93 Difference]: Finished difference Result 1570 states and 2899 transitions. [2022-02-10 23:44:48,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:44:48,526 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:48,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:48,527 INFO L225 Difference]: With dead ends: 1570 [2022-02-10 23:44:48,527 INFO L226 Difference]: Without dead ends: 1570 [2022-02-10 23:44:48,527 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:44:48,527 INFO L934 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 [2022-02-10 23:44:48,528 INFO L935 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] [2022-02-10 23:44:48,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-02-10 23:44:48,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1295. [2022-02-10 23:44:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1288 states have (on average 1.8540372670807452) internal successors, (2388), 1294 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-02-10 23:44:48,542 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-02-10 23:44:48,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:48,542 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-02-10 23:44:48,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-02-10 23:44:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:48,544 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:48,544 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:48,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-02-10 23:44:48,544 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:48,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:48,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1191765034, now seen corresponding path program 18 times [2022-02-10 23:44:48,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:48,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343652110] [2022-02-10 23:44:48,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:48,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:49,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:49,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343652110] [2022-02-10 23:44:49,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343652110] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:49,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:49,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:49,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336145899] [2022-02-10 23:44:49,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:49,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:49,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:49,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:49,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:49,297 INFO L87 Difference]: Start difference. First operand 1295 states and 2388 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:50,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:50,038 INFO L93 Difference]: Finished difference Result 1550 states and 2847 transitions. [2022-02-10 23:44:50,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:44:50,038 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:50,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:50,040 INFO L225 Difference]: With dead ends: 1550 [2022-02-10 23:44:50,040 INFO L226 Difference]: Without dead ends: 1550 [2022-02-10 23:44:50,040 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=159, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:44:50,040 INFO L934 BasicCegarLoop]: 142 mSDtfsCounter, 232 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:50,040 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 645 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:50,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-02-10 23:44:50,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1295. [2022-02-10 23:44:50,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1288 states have (on average 1.8540372670807452) internal successors, (2388), 1294 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-02-10 23:44:50,051 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-02-10 23:44:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:50,051 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-02-10 23:44:50,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:50,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-02-10 23:44:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:50,052 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:50,052 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:50,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-02-10 23:44:50,053 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:50,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:50,053 INFO L85 PathProgramCache]: Analyzing trace with hash 56947980, now seen corresponding path program 19 times [2022-02-10 23:44:50,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:50,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990312069] [2022-02-10 23:44:50,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:50,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:50,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990312069] [2022-02-10 23:44:50,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990312069] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:50,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:50,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:44:50,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300589403] [2022-02-10 23:44:50,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:50,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:44:50,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:50,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:44:50,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:50,778 INFO L87 Difference]: Start difference. First operand 1295 states and 2388 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:51,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:51,416 INFO L93 Difference]: Finished difference Result 1495 states and 2750 transitions. [2022-02-10 23:44:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:44:51,416 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:51,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:51,418 INFO L225 Difference]: With dead ends: 1495 [2022-02-10 23:44:51,418 INFO L226 Difference]: Without dead ends: 1495 [2022-02-10 23:44:51,418 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:44:51,418 INFO L934 BasicCegarLoop]: 130 mSDtfsCounter, 219 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:51,418 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 489 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:51,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2022-02-10 23:44:51,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1281. [2022-02-10 23:44:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1274 states have (on average 1.8524332810047095) internal successors, (2360), 1280 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 2360 transitions. [2022-02-10 23:44:51,429 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 2360 transitions. Word has length 113 [2022-02-10 23:44:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:51,429 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 2360 transitions. [2022-02-10 23:44:51,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:51,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2360 transitions. [2022-02-10 23:44:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:51,430 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:51,430 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:51,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-02-10 23:44:51,431 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:51,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:51,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1250392510, now seen corresponding path program 20 times [2022-02-10 23:44:51,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:51,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879845882] [2022-02-10 23:44:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:52,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:52,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879845882] [2022-02-10 23:44:52,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879845882] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:52,204 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:52,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:52,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983140652] [2022-02-10 23:44:52,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:52,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:52,204 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:52,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:52,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:52,205 INFO L87 Difference]: Start difference. First operand 1281 states and 2360 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:52,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:52,973 INFO L93 Difference]: Finished difference Result 1414 states and 2597 transitions. [2022-02-10 23:44:52,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:44:52,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:52,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:52,975 INFO L225 Difference]: With dead ends: 1414 [2022-02-10 23:44:52,975 INFO L226 Difference]: Without dead ends: 1414 [2022-02-10 23:44:52,975 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:44:52,975 INFO L934 BasicCegarLoop]: 138 mSDtfsCounter, 226 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:52,975 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 578 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:52,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-02-10 23:44:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1268. [2022-02-10 23:44:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-10 23:44:52,986 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-10 23:44:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:52,987 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-10 23:44:52,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-10 23:44:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:52,988 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:52,988 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:52,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-02-10 23:44:52,988 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:52,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1659326251, now seen corresponding path program 3 times [2022-02-10 23:44:52,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:52,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25005453] [2022-02-10 23:44:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:53,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:53,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25005453] [2022-02-10 23:44:53,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25005453] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:53,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:53,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:53,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820393000] [2022-02-10 23:44:53,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:53,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:53,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:53,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:53,319 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:53,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:53,882 INFO L93 Difference]: Finished difference Result 1296 states and 2380 transitions. [2022-02-10 23:44:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:44:53,883 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:53,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:53,884 INFO L225 Difference]: With dead ends: 1296 [2022-02-10 23:44:53,884 INFO L226 Difference]: Without dead ends: 1296 [2022-02-10 23:44:53,884 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:44:53,885 INFO L934 BasicCegarLoop]: 110 mSDtfsCounter, 159 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:53,885 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 372 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:44:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2022-02-10 23:44:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1268. [2022-02-10 23:44:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-10 23:44:53,895 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-10 23:44:53,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:53,895 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-10 23:44:53,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-10 23:44:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:53,896 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:53,896 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:53,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-02-10 23:44:53,896 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:53,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:53,896 INFO L85 PathProgramCache]: Analyzing trace with hash 945597615, now seen corresponding path program 4 times [2022-02-10 23:44:53,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:53,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918450479] [2022-02-10 23:44:53,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:54,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:54,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918450479] [2022-02-10 23:44:54,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918450479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:54,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:54,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:54,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294117752] [2022-02-10 23:44:54,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:54,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:54,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:54,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:54,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:54,235 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:54,619 INFO L93 Difference]: Finished difference Result 1308 states and 2400 transitions. [2022-02-10 23:44:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:44:54,620 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:54,621 INFO L225 Difference]: With dead ends: 1308 [2022-02-10 23:44:54,621 INFO L226 Difference]: Without dead ends: 1308 [2022-02-10 23:44:54,621 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:54,622 INFO L934 BasicCegarLoop]: 109 mSDtfsCounter, 147 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:54,622 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 452 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:44:54,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-02-10 23:44:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1268. [2022-02-10 23:44:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-10 23:44:54,634 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-10 23:44:54,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:54,634 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-10 23:44:54,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-10 23:44:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:54,635 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:54,636 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:54,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-02-10 23:44:54,636 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:54,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:54,636 INFO L85 PathProgramCache]: Analyzing trace with hash 952733367, now seen corresponding path program 5 times [2022-02-10 23:44:54,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:54,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110318826] [2022-02-10 23:44:54,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:54,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:54,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:54,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110318826] [2022-02-10 23:44:54,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110318826] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:54,928 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:54,928 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:54,928 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316310874] [2022-02-10 23:44:54,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:54,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:54,929 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:54,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:54,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:54,929 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:55,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:55,283 INFO L93 Difference]: Finished difference Result 1318 states and 2420 transitions. [2022-02-10 23:44:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:44:55,284 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:55,285 INFO L225 Difference]: With dead ends: 1318 [2022-02-10 23:44:55,285 INFO L226 Difference]: Without dead ends: 1318 [2022-02-10 23:44:55,285 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:55,285 INFO L934 BasicCegarLoop]: 105 mSDtfsCounter, 122 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:55,285 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 455 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:44:55,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-02-10 23:44:55,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1268. [2022-02-10 23:44:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-10 23:44:55,296 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-10 23:44:55,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:55,296 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-10 23:44:55,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-10 23:44:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:55,297 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:55,297 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:55,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-02-10 23:44:55,297 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:55,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:55,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2029248333, now seen corresponding path program 6 times [2022-02-10 23:44:55,298 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:55,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625850698] [2022-02-10 23:44:55,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:55,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:55,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:55,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625850698] [2022-02-10 23:44:55,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625850698] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:55,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:55,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:44:55,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703760120] [2022-02-10 23:44:55,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:55,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:44:55,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:55,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:44:55,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:44:55,594 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:55,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:55,869 INFO L93 Difference]: Finished difference Result 1307 states and 2402 transitions. [2022-02-10 23:44:55,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:44:55,870 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:55,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:55,871 INFO L225 Difference]: With dead ends: 1307 [2022-02-10 23:44:55,871 INFO L226 Difference]: Without dead ends: 1307 [2022-02-10 23:44:55,871 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:44:55,871 INFO L934 BasicCegarLoop]: 101 mSDtfsCounter, 116 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:55,871 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 376 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:44:55,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2022-02-10 23:44:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1247. [2022-02-10 23:44:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.8516129032258064) internal successors, (2296), 1246 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-02-10 23:44:55,881 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-02-10 23:44:55,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:55,881 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-02-10 23:44:55,881 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) [2022-02-10 23:44:55,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-02-10 23:44:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:55,882 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:55,882 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:55,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-02-10 23:44:55,882 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:55,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:55,882 INFO L85 PathProgramCache]: Analyzing trace with hash -814171281, now seen corresponding path program 27 times [2022-02-10 23:44:55,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:55,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097113375] [2022-02-10 23:44:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:55,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:56,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:56,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097113375] [2022-02-10 23:44:56,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097113375] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:56,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:56,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:56,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061002668] [2022-02-10 23:44:56,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:56,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:56,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:56,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:56,683 INFO L87 Difference]: Start difference. First operand 1247 states and 2296 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:57,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:57,311 INFO L93 Difference]: Finished difference Result 1705 states and 3161 transitions. [2022-02-10 23:44:57,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:44:57,312 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:57,313 INFO L225 Difference]: With dead ends: 1705 [2022-02-10 23:44:57,313 INFO L226 Difference]: Without dead ends: 1705 [2022-02-10 23:44:57,314 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:44:57,314 INFO L934 BasicCegarLoop]: 157 mSDtfsCounter, 283 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:57,314 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 568 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:44:57,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-02-10 23:44:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1269. [2022-02-10 23:44:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1262 states have (on average 1.8541996830427891) internal successors, (2340), 1268 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 2340 transitions. [2022-02-10 23:44:57,327 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 2340 transitions. Word has length 113 [2022-02-10 23:44:57,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:57,328 INFO L470 AbstractCegarLoop]: Abstraction has 1269 states and 2340 transitions. [2022-02-10 23:44:57,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2340 transitions. [2022-02-10 23:44:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:57,329 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:57,329 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:57,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-02-10 23:44:57,329 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:57,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:57,329 INFO L85 PathProgramCache]: Analyzing trace with hash -77199181, now seen corresponding path program 28 times [2022-02-10 23:44:57,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:57,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197508883] [2022-02-10 23:44:57,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:57,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:58,089 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:58,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197508883] [2022-02-10 23:44:58,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197508883] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:58,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:58,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:58,090 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250296759] [2022-02-10 23:44:58,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:58,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:58,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:58,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:58,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:58,090 INFO L87 Difference]: Start difference. First operand 1269 states and 2340 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:58,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:58,688 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-02-10 23:44:58,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:44:58,689 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:58,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:58,691 INFO L225 Difference]: With dead ends: 1735 [2022-02-10 23:44:58,691 INFO L226 Difference]: Without dead ends: 1735 [2022-02-10 23:44:58,691 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:44:58,691 INFO L934 BasicCegarLoop]: 148 mSDtfsCounter, 276 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:58,691 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 521 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:58,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-02-10 23:44:58,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1257. [2022-02-10 23:44:58,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1250 states have (on average 1.8528) internal successors, (2316), 1256 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 2316 transitions. [2022-02-10 23:44:58,704 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 2316 transitions. Word has length 113 [2022-02-10 23:44:58,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:58,704 INFO L470 AbstractCegarLoop]: Abstraction has 1257 states and 2316 transitions. [2022-02-10 23:44:58,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2316 transitions. [2022-02-10 23:44:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:58,705 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:58,705 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:58,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-02-10 23:44:58,705 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:58,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:58,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1378928111, now seen corresponding path program 29 times [2022-02-10 23:44:58,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:58,706 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087724117] [2022-02-10 23:44:58,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:58,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:44:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:44:59,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:44:59,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087724117] [2022-02-10 23:44:59,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087724117] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:44:59,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:44:59,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:44:59,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665231084] [2022-02-10 23:44:59,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:44:59,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:44:59,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:44:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:44:59,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:44:59,475 INFO L87 Difference]: Start difference. First operand 1257 states and 2316 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:59,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:44:59,928 INFO L93 Difference]: Finished difference Result 1755 states and 3253 transitions. [2022-02-10 23:44:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:44:59,928 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:44:59,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:44:59,930 INFO L225 Difference]: With dead ends: 1755 [2022-02-10 23:44:59,930 INFO L226 Difference]: Without dead ends: 1755 [2022-02-10 23:44:59,930 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:44:59,931 INFO L934 BasicCegarLoop]: 139 mSDtfsCounter, 216 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:44:59,931 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 484 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:44:59,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-02-10 23:44:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1247. [2022-02-10 23:44:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.8516129032258064) internal successors, (2296), 1246 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-02-10 23:44:59,942 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-02-10 23:44:59,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:44:59,943 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-02-10 23:44:59,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:44:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-02-10 23:44:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:44:59,944 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:44:59,944 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:44:59,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-02-10 23:44:59,944 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:44:59,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:44:59,944 INFO L85 PathProgramCache]: Analyzing trace with hash -24897997, now seen corresponding path program 30 times [2022-02-10 23:44:59,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:44:59,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321048023] [2022-02-10 23:44:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:44:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:44:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:00,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:00,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321048023] [2022-02-10 23:45:00,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321048023] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:00,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:00,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:45:00,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290651906] [2022-02-10 23:45:00,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:00,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:45:00,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:00,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:45:00,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:00,646 INFO L87 Difference]: Start difference. First operand 1247 states and 2296 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:01,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:01,074 INFO L93 Difference]: Finished difference Result 1673 states and 3108 transitions. [2022-02-10 23:45:01,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:01,074 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:01,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:01,076 INFO L225 Difference]: With dead ends: 1673 [2022-02-10 23:45:01,076 INFO L226 Difference]: Without dead ends: 1673 [2022-02-10 23:45:01,076 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:45:01,076 INFO L934 BasicCegarLoop]: 130 mSDtfsCounter, 182 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:01,076 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 556 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:01,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2022-02-10 23:45:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1231. [2022-02-10 23:45:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1224 states have (on average 1.8496732026143792) internal successors, (2264), 1230 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 2264 transitions. [2022-02-10 23:45:01,097 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 2264 transitions. Word has length 113 [2022-02-10 23:45:01,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:01,097 INFO L470 AbstractCegarLoop]: Abstraction has 1231 states and 2264 transitions. [2022-02-10 23:45:01,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2264 transitions. [2022-02-10 23:45:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:01,098 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:01,099 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:01,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-02-10 23:45:01,099 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:01,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:01,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1094296257, now seen corresponding path program 31 times [2022-02-10 23:45:01,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:01,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894220173] [2022-02-10 23:45:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:01,951 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:01,951 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894220173] [2022-02-10 23:45:01,951 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894220173] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:01,951 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:01,951 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:45:01,951 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046827058] [2022-02-10 23:45:01,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:01,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:45:01,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:01,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:45:01,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:01,952 INFO L87 Difference]: Start difference. First operand 1231 states and 2264 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:02,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:02,726 INFO L93 Difference]: Finished difference Result 1682 states and 3117 transitions. [2022-02-10 23:45:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:45:02,726 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:02,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:02,728 INFO L225 Difference]: With dead ends: 1682 [2022-02-10 23:45:02,728 INFO L226 Difference]: Without dead ends: 1682 [2022-02-10 23:45:02,728 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:45:02,728 INFO L934 BasicCegarLoop]: 155 mSDtfsCounter, 250 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:02,729 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 759 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:02,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-02-10 23:45:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1239. [2022-02-10 23:45:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8506493506493507) internal successors, (2280), 1238 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-02-10 23:45:02,743 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-02-10 23:45:02,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:02,743 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-02-10 23:45:02,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:02,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-02-10 23:45:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:02,745 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:02,745 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:02,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-02-10 23:45:02,745 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:02,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:02,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1831268357, now seen corresponding path program 32 times [2022-02-10 23:45:02,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:02,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721005685] [2022-02-10 23:45:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:02,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:03,963 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:03,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721005685] [2022-02-10 23:45:03,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721005685] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:03,963 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:03,964 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:45:03,964 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388649200] [2022-02-10 23:45:03,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:03,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:45:03,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:03,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:45:03,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:03,964 INFO L87 Difference]: Start difference. First operand 1239 states and 2280 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:04,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:04,607 INFO L93 Difference]: Finished difference Result 1720 states and 3193 transitions. [2022-02-10 23:45:04,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:04,607 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:04,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:04,609 INFO L225 Difference]: With dead ends: 1720 [2022-02-10 23:45:04,609 INFO L226 Difference]: Without dead ends: 1720 [2022-02-10 23:45:04,609 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:45:04,609 INFO L934 BasicCegarLoop]: 146 mSDtfsCounter, 267 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:04,609 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 514 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:04,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-02-10 23:45:04,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1239. [2022-02-10 23:45:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8506493506493507) internal successors, (2280), 1238 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-02-10 23:45:04,637 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-02-10 23:45:04,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:04,637 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-02-10 23:45:04,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-02-10 23:45:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:04,638 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:04,639 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:04,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-02-10 23:45:04,639 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:04,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:04,640 INFO L85 PathProgramCache]: Analyzing trace with hash 420967865, now seen corresponding path program 33 times [2022-02-10 23:45:04,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:04,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141045539] [2022-02-10 23:45:04,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:04,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:05,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:05,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141045539] [2022-02-10 23:45:05,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141045539] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:05,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:05,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:45:05,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478271734] [2022-02-10 23:45:05,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:05,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:45:05,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:05,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:45:05,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:05,501 INFO L87 Difference]: Start difference. First operand 1239 states and 2280 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:06,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:06,118 INFO L93 Difference]: Finished difference Result 1678 states and 3119 transitions. [2022-02-10 23:45:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:45:06,118 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:06,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:06,120 INFO L225 Difference]: With dead ends: 1678 [2022-02-10 23:45:06,120 INFO L226 Difference]: Without dead ends: 1678 [2022-02-10 23:45:06,120 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:45:06,120 INFO L934 BasicCegarLoop]: 137 mSDtfsCounter, 227 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:06,121 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 511 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:06,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2022-02-10 23:45:06,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1232. [2022-02-10 23:45:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1225 states have (on average 1.849795918367347) internal successors, (2266), 1231 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-02-10 23:45:06,132 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-02-10 23:45:06,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:06,132 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-02-10 23:45:06,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-02-10 23:45:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:06,133 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:06,133 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:06,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-02-10 23:45:06,133 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:06,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:06,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1990288639, now seen corresponding path program 34 times [2022-02-10 23:45:06,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:06,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205585487] [2022-02-10 23:45:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:06,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:07,208 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:07,208 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205585487] [2022-02-10 23:45:07,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205585487] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:07,208 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:07,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:45:07,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578624558] [2022-02-10 23:45:07,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:07,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:45:07,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:07,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:45:07,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:07,209 INFO L87 Difference]: Start difference. First operand 1232 states and 2266 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:07,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:07,956 INFO L93 Difference]: Finished difference Result 1691 states and 3137 transitions. [2022-02-10 23:45:07,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:07,956 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:07,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:07,958 INFO L225 Difference]: With dead ends: 1691 [2022-02-10 23:45:07,958 INFO L226 Difference]: Without dead ends: 1691 [2022-02-10 23:45:07,958 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:07,959 INFO L934 BasicCegarLoop]: 153 mSDtfsCounter, 264 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:07,959 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 591 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:07,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-02-10 23:45:07,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1232. [2022-02-10 23:45:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1225 states have (on average 1.849795918367347) internal successors, (2266), 1231 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-02-10 23:45:07,969 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-02-10 23:45:07,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:07,969 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-02-10 23:45:07,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-02-10 23:45:07,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:07,970 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:07,970 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:07,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-02-10 23:45:07,970 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:07,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:07,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1567706557, now seen corresponding path program 35 times [2022-02-10 23:45:07,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:07,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369957747] [2022-02-10 23:45:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:07,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:09,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:09,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369957747] [2022-02-10 23:45:09,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369957747] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:09,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:09,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:45:09,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728548482] [2022-02-10 23:45:09,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:09,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:45:09,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:09,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:45:09,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:09,224 INFO L87 Difference]: Start difference. First operand 1232 states and 2266 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:10,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:10,017 INFO L93 Difference]: Finished difference Result 1664 states and 3092 transitions. [2022-02-10 23:45:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:10,017 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:10,019 INFO L225 Difference]: With dead ends: 1664 [2022-02-10 23:45:10,019 INFO L226 Difference]: Without dead ends: 1664 [2022-02-10 23:45:10,019 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:10,019 INFO L934 BasicCegarLoop]: 144 mSDtfsCounter, 241 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:10,020 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 677 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:10,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-02-10 23:45:10,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1215. [2022-02-10 23:45:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1208 states have (on average 1.8476821192052981) internal successors, (2232), 1214 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:10,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2232 transitions. [2022-02-10 23:45:10,030 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2232 transitions. Word has length 113 [2022-02-10 23:45:10,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:10,030 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 2232 transitions. [2022-02-10 23:45:10,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2232 transitions. [2022-02-10 23:45:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:10,031 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:10,031 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:10,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-02-10 23:45:10,031 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:10,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:10,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1699704471, now seen corresponding path program 36 times [2022-02-10 23:45:10,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:10,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653062912] [2022-02-10 23:45:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:10,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:11,037 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:11,037 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653062912] [2022-02-10 23:45:11,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653062912] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:11,038 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:11,038 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:45:11,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541850461] [2022-02-10 23:45:11,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:11,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:45:11,038 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:11,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:45:11,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:11,039 INFO L87 Difference]: Start difference. First operand 1215 states and 2232 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:11,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:11,839 INFO L93 Difference]: Finished difference Result 1583 states and 2939 transitions. [2022-02-10 23:45:11,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:11,840 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:11,841 INFO L225 Difference]: With dead ends: 1583 [2022-02-10 23:45:11,841 INFO L226 Difference]: Without dead ends: 1583 [2022-02-10 23:45:11,842 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=132, Invalid=210, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:45:11,842 INFO L934 BasicCegarLoop]: 155 mSDtfsCounter, 246 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:11,842 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 546 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:11,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-02-10 23:45:11,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1199. [2022-02-10 23:45:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1192 states have (on average 1.8456375838926173) internal successors, (2200), 1198 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 2200 transitions. [2022-02-10 23:45:11,860 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 2200 transitions. Word has length 113 [2022-02-10 23:45:11,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:11,860 INFO L470 AbstractCegarLoop]: Abstraction has 1199 states and 2200 transitions. [2022-02-10 23:45:11,860 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) [2022-02-10 23:45:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 2200 transitions. [2022-02-10 23:45:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:11,861 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:11,861 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:11,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-02-10 23:45:11,861 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:11,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1480483601, now seen corresponding path program 23 times [2022-02-10 23:45:11,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:11,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498243699] [2022-02-10 23:45:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:12,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:12,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498243699] [2022-02-10 23:45:12,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498243699] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:12,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:12,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:12,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360009696] [2022-02-10 23:45:12,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:12,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:12,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:12,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:12,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:12,182 INFO L87 Difference]: Start difference. First operand 1199 states and 2200 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:12,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:12,521 INFO L93 Difference]: Finished difference Result 1284 states and 2350 transitions. [2022-02-10 23:45:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:12,521 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:12,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:12,523 INFO L225 Difference]: With dead ends: 1284 [2022-02-10 23:45:12,523 INFO L226 Difference]: Without dead ends: 1284 [2022-02-10 23:45:12,523 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:12,523 INFO L934 BasicCegarLoop]: 114 mSDtfsCounter, 116 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:12,523 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 436 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2022-02-10 23:45:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1193. [2022-02-10 23:45:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1186 states have (on average 1.8448566610455313) internal successors, (2188), 1192 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 2188 transitions. [2022-02-10 23:45:12,532 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 2188 transitions. Word has length 113 [2022-02-10 23:45:12,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:12,532 INFO L470 AbstractCegarLoop]: Abstraction has 1193 states and 2188 transitions. [2022-02-10 23:45:12,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 2188 transitions. [2022-02-10 23:45:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:12,533 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:12,533 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:12,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-02-10 23:45:12,534 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:12,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:12,534 INFO L85 PathProgramCache]: Analyzing trace with hash 364668245, now seen corresponding path program 24 times [2022-02-10 23:45:12,534 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:12,534 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122550103] [2022-02-10 23:45:12,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:12,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:13,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:13,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122550103] [2022-02-10 23:45:13,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122550103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:13,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:13,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:45:13,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069697061] [2022-02-10 23:45:13,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:13,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:45:13,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:13,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:45:13,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:45:13,155 INFO L87 Difference]: Start difference. First operand 1193 states and 2188 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:14,307 INFO L93 Difference]: Finished difference Result 1999 states and 3698 transitions. [2022-02-10 23:45:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-10 23:45:14,308 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:14,310 INFO L225 Difference]: With dead ends: 1999 [2022-02-10 23:45:14,310 INFO L226 Difference]: Without dead ends: 1999 [2022-02-10 23:45:14,311 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2022-02-10 23:45:14,311 INFO L934 BasicCegarLoop]: 111 mSDtfsCounter, 771 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:14,311 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 765 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:45:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-02-10 23:45:14,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1185. [2022-02-10 23:45:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1178 states have (on average 1.8438030560271648) internal successors, (2172), 1184 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 2172 transitions. [2022-02-10 23:45:14,322 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 2172 transitions. Word has length 113 [2022-02-10 23:45:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:14,322 INFO L470 AbstractCegarLoop]: Abstraction has 1185 states and 2172 transitions. [2022-02-10 23:45:14,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2172 transitions. [2022-02-10 23:45:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:14,323 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:14,323 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:14,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-02-10 23:45:14,324 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:14,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:14,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1122763947, now seen corresponding path program 25 times [2022-02-10 23:45:14,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:14,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809825208] [2022-02-10 23:45:14,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:14,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:14,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:14,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809825208] [2022-02-10 23:45:14,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809825208] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:14,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:14,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:14,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428863716] [2022-02-10 23:45:14,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:14,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:14,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:14,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:14,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:14,780 INFO L87 Difference]: Start difference. First operand 1185 states and 2172 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:15,184 INFO L93 Difference]: Finished difference Result 1251 states and 2280 transitions. [2022-02-10 23:45:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:15,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:15,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:15,186 INFO L225 Difference]: With dead ends: 1251 [2022-02-10 23:45:15,186 INFO L226 Difference]: Without dead ends: 1251 [2022-02-10 23:45:15,186 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:15,186 INFO L934 BasicCegarLoop]: 119 mSDtfsCounter, 169 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:15,186 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 383 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-02-10 23:45:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1184. [2022-02-10 23:45:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1177 states have (on average 1.844519966015293) internal successors, (2171), 1183 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2171 transitions. [2022-02-10 23:45:15,195 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2171 transitions. Word has length 113 [2022-02-10 23:45:15,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:15,195 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2171 transitions. [2022-02-10 23:45:15,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2171 transitions. [2022-02-10 23:45:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-10 23:45:15,196 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:15,197 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:15,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-02-10 23:45:15,197 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:15,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:15,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1007920087, now seen corresponding path program 26 times [2022-02-10 23:45:15,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:15,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225379856] [2022-02-10 23:45:15,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:15,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:15,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225379856] [2022-02-10 23:45:15,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225379856] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:15,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:15,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:45:15,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327069596] [2022-02-10 23:45:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:15,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:45:15,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:15,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:45:15,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:45:15,885 INFO L87 Difference]: Start difference. First operand 1184 states and 2171 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:17,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:17,390 INFO L93 Difference]: Finished difference Result 1981 states and 3662 transitions. [2022-02-10 23:45:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-10 23:45:17,391 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-10 23:45:17,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:17,392 INFO L225 Difference]: With dead ends: 1981 [2022-02-10 23:45:17,392 INFO L226 Difference]: Without dead ends: 1981 [2022-02-10 23:45:17,393 INFO L933 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 [2022-02-10 23:45:17,393 INFO L934 BasicCegarLoop]: 113 mSDtfsCounter, 740 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:17,393 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [740 Valid, 1117 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-10 23:45:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2022-02-10 23:45:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1158. [2022-02-10 23:45:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1151 states have (on average 1.847089487402259) internal successors, (2126), 1157 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 2126 transitions. [2022-02-10 23:45:17,404 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 2126 transitions. Word has length 113 [2022-02-10 23:45:17,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:17,404 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 2126 transitions. [2022-02-10 23:45:17,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2126 transitions. [2022-02-10 23:45:17,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:17,405 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:17,405 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:17,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-02-10 23:45:17,405 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1897626067, now seen corresponding path program 1 times [2022-02-10 23:45:17,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:17,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912696961] [2022-02-10 23:45:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:17,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:17,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:17,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912696961] [2022-02-10 23:45:17,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912696961] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:17,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:17,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:17,806 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610220836] [2022-02-10 23:45:17,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:17,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:17,806 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:17,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:17,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:17,806 INFO L87 Difference]: Start difference. First operand 1158 states and 2126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:18,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:18,267 INFO L93 Difference]: Finished difference Result 2040 states and 3774 transitions. [2022-02-10 23:45:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:45:18,267 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:18,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:18,269 INFO L225 Difference]: With dead ends: 2040 [2022-02-10 23:45:18,270 INFO L226 Difference]: Without dead ends: 2040 [2022-02-10 23:45:18,270 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:18,270 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 239 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:18,270 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 544 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2022-02-10 23:45:18,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1255. [2022-02-10 23:45:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1248 states have (on average 1.858974358974359) internal successors, (2320), 1254 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2320 transitions. [2022-02-10 23:45:18,284 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2320 transitions. Word has length 114 [2022-02-10 23:45:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:18,284 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 2320 transitions. [2022-02-10 23:45:18,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2320 transitions. [2022-02-10 23:45:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:18,285 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:18,285 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:18,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-02-10 23:45:18,285 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:18,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:18,286 INFO L85 PathProgramCache]: Analyzing trace with hash -906945106, now seen corresponding path program 1 times [2022-02-10 23:45:18,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:18,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359045401] [2022-02-10 23:45:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:18,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:18,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:18,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359045401] [2022-02-10 23:45:18,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359045401] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:18,540 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:18,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:18,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186553231] [2022-02-10 23:45:18,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:18,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:18,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:18,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:18,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:18,541 INFO L87 Difference]: Start difference. First operand 1255 states and 2320 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:18,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:18,965 INFO L93 Difference]: Finished difference Result 2013 states and 3723 transitions. [2022-02-10 23:45:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:18,966 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:18,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:18,968 INFO L225 Difference]: With dead ends: 2013 [2022-02-10 23:45:18,968 INFO L226 Difference]: Without dead ends: 2013 [2022-02-10 23:45:18,968 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:45:18,968 INFO L934 BasicCegarLoop]: 114 mSDtfsCounter, 226 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:18,968 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 466 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:18,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2022-02-10 23:45:18,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1537. [2022-02-10 23:45:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1530 states have (on average 1.8862745098039215) internal successors, (2886), 1536 states have internal predecessors, (2886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2886 transitions. [2022-02-10 23:45:18,982 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2886 transitions. Word has length 114 [2022-02-10 23:45:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:18,982 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2886 transitions. [2022-02-10 23:45:18,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2886 transitions. [2022-02-10 23:45:18,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:18,983 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:18,983 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:18,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-02-10 23:45:18,983 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:18,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:18,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2094172360, now seen corresponding path program 2 times [2022-02-10 23:45:18,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:18,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822882817] [2022-02-10 23:45:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:19,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:19,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822882817] [2022-02-10 23:45:19,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822882817] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:19,339 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:19,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:19,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167037059] [2022-02-10 23:45:19,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:19,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:19,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:19,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:19,341 INFO L87 Difference]: Start difference. First operand 1537 states and 2886 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:19,803 INFO L93 Difference]: Finished difference Result 1999 states and 3695 transitions. [2022-02-10 23:45:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:19,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:19,806 INFO L225 Difference]: With dead ends: 1999 [2022-02-10 23:45:19,806 INFO L226 Difference]: Without dead ends: 1999 [2022-02-10 23:45:19,806 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:45:19,806 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 235 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:19,807 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 521 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-02-10 23:45:19,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1549. [2022-02-10 23:45:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1542 states have (on average 1.880674448767834) internal successors, (2900), 1548 states have internal predecessors, (2900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2900 transitions. [2022-02-10 23:45:19,820 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2900 transitions. Word has length 114 [2022-02-10 23:45:19,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:19,820 INFO L470 AbstractCegarLoop]: Abstraction has 1549 states and 2900 transitions. [2022-02-10 23:45:19,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2900 transitions. [2022-02-10 23:45:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:19,821 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:19,821 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:19,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-02-10 23:45:19,822 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:19,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:19,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1898103903, now seen corresponding path program 1 times [2022-02-10 23:45:19,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:19,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366969161] [2022-02-10 23:45:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:20,609 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:20,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366969161] [2022-02-10 23:45:20,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366969161] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:20,610 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:20,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:45:20,610 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185973714] [2022-02-10 23:45:20,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:20,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:45:20,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:20,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:45:20,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:20,611 INFO L87 Difference]: Start difference. First operand 1549 states and 2900 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:21,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:21,197 INFO L93 Difference]: Finished difference Result 1971 states and 3644 transitions. [2022-02-10 23:45:21,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:45:21,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:21,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:21,200 INFO L225 Difference]: With dead ends: 1971 [2022-02-10 23:45:21,200 INFO L226 Difference]: Without dead ends: 1927 [2022-02-10 23:45:21,201 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:45:21,201 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 278 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:21,201 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 666 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:21,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2022-02-10 23:45:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1532. [2022-02-10 23:45:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1525 states have (on average 1.8773770491803279) internal successors, (2863), 1531 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2863 transitions. [2022-02-10 23:45:21,214 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2863 transitions. Word has length 114 [2022-02-10 23:45:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:21,215 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 2863 transitions. [2022-02-10 23:45:21,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2863 transitions. [2022-02-10 23:45:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:21,216 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:21,216 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:21,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-02-10 23:45:21,216 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:21,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:21,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1653358524, now seen corresponding path program 1 times [2022-02-10 23:45:21,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:21,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260507338] [2022-02-10 23:45:21,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:21,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:21,315 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:21,315 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:21,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260507338] [2022-02-10 23:45:21,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260507338] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:21,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:21,316 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 23:45:21,316 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504219913] [2022-02-10 23:45:21,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:21,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 23:45:21,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:21,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 23:45:21,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-10 23:45:21,316 INFO L87 Difference]: Start difference. First operand 1532 states and 2863 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:21,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:21,531 INFO L93 Difference]: Finished difference Result 1600 states and 2990 transitions. [2022-02-10 23:45:21,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:21,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:21,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:21,534 INFO L225 Difference]: With dead ends: 1600 [2022-02-10 23:45:21,534 INFO L226 Difference]: Without dead ends: 1600 [2022-02-10 23:45:21,534 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:21,534 INFO L934 BasicCegarLoop]: 145 mSDtfsCounter, 170 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:21,534 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 397 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:45:21,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2022-02-10 23:45:21,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1534. [2022-02-10 23:45:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1527 states have (on average 1.8775376555337262) internal successors, (2867), 1533 states have internal predecessors, (2867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2867 transitions. [2022-02-10 23:45:21,550 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2867 transitions. Word has length 114 [2022-02-10 23:45:21,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:21,550 INFO L470 AbstractCegarLoop]: Abstraction has 1534 states and 2867 transitions. [2022-02-10 23:45:21,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2867 transitions. [2022-02-10 23:45:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:21,552 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:21,552 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:21,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-02-10 23:45:21,552 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:21,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1567825494, now seen corresponding path program 2 times [2022-02-10 23:45:21,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:21,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324433851] [2022-02-10 23:45:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:21,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:21,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324433851] [2022-02-10 23:45:21,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324433851] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:21,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:21,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:21,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682249383] [2022-02-10 23:45:21,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:21,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:21,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:21,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:21,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:21,862 INFO L87 Difference]: Start difference. First operand 1534 states and 2867 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:22,284 INFO L93 Difference]: Finished difference Result 1900 states and 3502 transitions. [2022-02-10 23:45:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:22,287 INFO L225 Difference]: With dead ends: 1900 [2022-02-10 23:45:22,287 INFO L226 Difference]: Without dead ends: 1900 [2022-02-10 23:45:22,287 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:45:22,288 INFO L934 BasicCegarLoop]: 137 mSDtfsCounter, 195 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:22,288 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 534 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:22,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-02-10 23:45:22,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1581. [2022-02-10 23:45:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1574 states have (on average 1.880559085133418) internal successors, (2960), 1580 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2960 transitions. [2022-02-10 23:45:22,301 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2960 transitions. Word has length 114 [2022-02-10 23:45:22,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:22,301 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2960 transitions. [2022-02-10 23:45:22,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2960 transitions. [2022-02-10 23:45:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:22,302 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:22,302 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:22,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-02-10 23:45:22,302 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:22,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1271331244, now seen corresponding path program 3 times [2022-02-10 23:45:22,303 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:22,303 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511964827] [2022-02-10 23:45:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:22,660 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:22,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511964827] [2022-02-10 23:45:22,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511964827] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:22,660 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:22,660 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:22,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776025079] [2022-02-10 23:45:22,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:22,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:22,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:22,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:22,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:22,661 INFO L87 Difference]: Start difference. First operand 1581 states and 2960 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:23,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:23,094 INFO L93 Difference]: Finished difference Result 1887 states and 3477 transitions. [2022-02-10 23:45:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:23,094 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:23,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:23,097 INFO L225 Difference]: With dead ends: 1887 [2022-02-10 23:45:23,097 INFO L226 Difference]: Without dead ends: 1887 [2022-02-10 23:45:23,097 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:45:23,097 INFO L934 BasicCegarLoop]: 137 mSDtfsCounter, 224 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:23,097 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 468 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2022-02-10 23:45:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1593. [2022-02-10 23:45:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1586 states have (on average 1.8738965952080706) internal successors, (2972), 1592 states have internal predecessors, (2972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2972 transitions. [2022-02-10 23:45:23,110 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2972 transitions. Word has length 114 [2022-02-10 23:45:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:23,110 INFO L470 AbstractCegarLoop]: Abstraction has 1593 states and 2972 transitions. [2022-02-10 23:45:23,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2972 transitions. [2022-02-10 23:45:23,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:23,111 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:23,112 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:23,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-02-10 23:45:23,112 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2040526519, now seen corresponding path program 2 times [2022-02-10 23:45:23,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:23,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730190619] [2022-02-10 23:45:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:23,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:23,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730190619] [2022-02-10 23:45:23,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730190619] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:23,887 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:23,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:23,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479581284] [2022-02-10 23:45:23,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:23,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:23,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:23,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:23,888 INFO L87 Difference]: Start difference. First operand 1593 states and 2972 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:24,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:24,474 INFO L93 Difference]: Finished difference Result 2236 states and 4164 transitions. [2022-02-10 23:45:24,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:24,474 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:24,477 INFO L225 Difference]: With dead ends: 2236 [2022-02-10 23:45:24,477 INFO L226 Difference]: Without dead ends: 2208 [2022-02-10 23:45:24,478 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:24,478 INFO L934 BasicCegarLoop]: 166 mSDtfsCounter, 282 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:24,478 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 583 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2022-02-10 23:45:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 1669. [2022-02-10 23:45:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1662 states have (on average 1.878459687123947) internal successors, (3122), 1668 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 3122 transitions. [2022-02-10 23:45:24,494 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 3122 transitions. Word has length 114 [2022-02-10 23:45:24,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:24,494 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 3122 transitions. [2022-02-10 23:45:24,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 3122 transitions. [2022-02-10 23:45:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:24,495 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:24,495 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:24,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-02-10 23:45:24,496 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash -83906309, now seen corresponding path program 3 times [2022-02-10 23:45:24,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:24,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024864767] [2022-02-10 23:45:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:25,377 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:25,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024864767] [2022-02-10 23:45:25,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024864767] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:25,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:25,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:25,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248601739] [2022-02-10 23:45:25,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:25,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:25,378 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:25,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:25,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:25,378 INFO L87 Difference]: Start difference. First operand 1669 states and 3122 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:26,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:26,024 INFO L93 Difference]: Finished difference Result 2251 states and 4194 transitions. [2022-02-10 23:45:26,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:26,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:26,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:26,027 INFO L225 Difference]: With dead ends: 2251 [2022-02-10 23:45:26,027 INFO L226 Difference]: Without dead ends: 2230 [2022-02-10 23:45:26,027 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:26,027 INFO L934 BasicCegarLoop]: 164 mSDtfsCounter, 256 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:26,027 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 619 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-02-10 23:45:26,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1670. [2022-02-10 23:45:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1663 states have (on average 1.878532772098617) internal successors, (3124), 1669 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:26,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 3124 transitions. [2022-02-10 23:45:26,042 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 3124 transitions. Word has length 114 [2022-02-10 23:45:26,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:26,042 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 3124 transitions. [2022-02-10 23:45:26,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 3124 transitions. [2022-02-10 23:45:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:26,043 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:26,044 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:26,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-02-10 23:45:26,044 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:26,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:26,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1922053757, now seen corresponding path program 4 times [2022-02-10 23:45:26,044 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:26,044 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646312398] [2022-02-10 23:45:26,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:26,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:26,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:26,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646312398] [2022-02-10 23:45:26,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646312398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:26,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:26,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:26,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606817708] [2022-02-10 23:45:26,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:26,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:26,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:26,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:26,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:26,857 INFO L87 Difference]: Start difference. First operand 1670 states and 3124 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:27,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:27,507 INFO L93 Difference]: Finished difference Result 2168 states and 4030 transitions. [2022-02-10 23:45:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:27,508 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:27,510 INFO L225 Difference]: With dead ends: 2168 [2022-02-10 23:45:27,510 INFO L226 Difference]: Without dead ends: 2154 [2022-02-10 23:45:27,511 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:27,511 INFO L934 BasicCegarLoop]: 162 mSDtfsCounter, 264 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:27,511 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 521 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:27,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-02-10 23:45:27,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1671. [2022-02-10 23:45:27,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1664 states have (on average 1.8786057692307692) internal successors, (3126), 1670 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-02-10 23:45:27,532 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-02-10 23:45:27,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:27,532 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-02-10 23:45:27,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:27,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-02-10 23:45:27,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:27,533 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:27,534 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:27,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-02-10 23:45:27,534 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:27,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:27,534 INFO L85 PathProgramCache]: Analyzing trace with hash 115756892, now seen corresponding path program 4 times [2022-02-10 23:45:27,534 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:27,534 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108642908] [2022-02-10 23:45:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:27,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:27,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108642908] [2022-02-10 23:45:27,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108642908] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:27,709 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:27,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:27,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160253773] [2022-02-10 23:45:27,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:27,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:27,710 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:27,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:27,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:27,710 INFO L87 Difference]: Start difference. First operand 1671 states and 3126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:28,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:28,429 INFO L93 Difference]: Finished difference Result 1951 states and 3627 transitions. [2022-02-10 23:45:28,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:45:28,429 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:28,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:28,432 INFO L225 Difference]: With dead ends: 1951 [2022-02-10 23:45:28,432 INFO L226 Difference]: Without dead ends: 1951 [2022-02-10 23:45:28,432 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-02-10 23:45:28,432 INFO L934 BasicCegarLoop]: 183 mSDtfsCounter, 267 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:28,432 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 841 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2022-02-10 23:45:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1671. [2022-02-10 23:45:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1664 states have (on average 1.8786057692307692) internal successors, (3126), 1670 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-02-10 23:45:28,447 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-02-10 23:45:28,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:28,447 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-02-10 23:45:28,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-02-10 23:45:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:28,449 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:28,449 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:28,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-02-10 23:45:28,449 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:28,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:28,449 INFO L85 PathProgramCache]: Analyzing trace with hash 30223862, now seen corresponding path program 5 times [2022-02-10 23:45:28,449 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:28,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493155421] [2022-02-10 23:45:28,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:28,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:28,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:28,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493155421] [2022-02-10 23:45:28,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493155421] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:28,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:28,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:28,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918782410] [2022-02-10 23:45:28,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:28,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:28,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:28,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:28,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:28,799 INFO L87 Difference]: Start difference. First operand 1671 states and 3126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:29,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:29,262 INFO L93 Difference]: Finished difference Result 1973 states and 3656 transitions. [2022-02-10 23:45:29,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:29,262 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:29,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:29,265 INFO L225 Difference]: With dead ends: 1973 [2022-02-10 23:45:29,265 INFO L226 Difference]: Without dead ends: 1973 [2022-02-10 23:45:29,265 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:29,265 INFO L934 BasicCegarLoop]: 126 mSDtfsCounter, 152 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:29,265 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 551 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:29,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-02-10 23:45:29,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1690. [2022-02-10 23:45:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1683 states have (on average 1.8799762329174095) internal successors, (3164), 1689 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 3164 transitions. [2022-02-10 23:45:29,280 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 3164 transitions. Word has length 114 [2022-02-10 23:45:29,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:29,280 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 3164 transitions. [2022-02-10 23:45:29,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3164 transitions. [2022-02-10 23:45:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:29,282 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:29,282 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:29,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-02-10 23:45:29,282 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:29,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:29,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1702295418, now seen corresponding path program 6 times [2022-02-10 23:45:29,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:29,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377076504] [2022-02-10 23:45:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:29,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:29,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:29,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377076504] [2022-02-10 23:45:29,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377076504] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:29,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:29,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:29,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024139660] [2022-02-10 23:45:29,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:29,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:29,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:29,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:29,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:29,706 INFO L87 Difference]: Start difference. First operand 1690 states and 3164 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:30,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:30,214 INFO L93 Difference]: Finished difference Result 1968 states and 3647 transitions. [2022-02-10 23:45:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:30,215 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:30,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:30,217 INFO L225 Difference]: With dead ends: 1968 [2022-02-10 23:45:30,217 INFO L226 Difference]: Without dead ends: 1968 [2022-02-10 23:45:30,217 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:30,217 INFO L934 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 [2022-02-10 23:45:30,218 INFO L935 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] [2022-02-10 23:45:30,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-02-10 23:45:30,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1672. [2022-02-10 23:45:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1665 states have (on average 1.8786786786786787) internal successors, (3128), 1671 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 3128 transitions. [2022-02-10 23:45:30,231 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 3128 transitions. Word has length 114 [2022-02-10 23:45:30,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:30,231 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 3128 transitions. [2022-02-10 23:45:30,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3128 transitions. [2022-02-10 23:45:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:30,232 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:30,232 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:30,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-02-10 23:45:30,233 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:30,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:30,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1227539500, now seen corresponding path program 7 times [2022-02-10 23:45:30,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:30,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149281802] [2022-02-10 23:45:30,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:30,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:30,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149281802] [2022-02-10 23:45:30,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149281802] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:30,737 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:30,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:30,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024120511] [2022-02-10 23:45:30,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:30,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:30,738 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:30,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:30,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:30,738 INFO L87 Difference]: Start difference. First operand 1672 states and 3128 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:31,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:31,253 INFO L93 Difference]: Finished difference Result 1950 states and 3613 transitions. [2022-02-10 23:45:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:31,253 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:31,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:31,256 INFO L225 Difference]: With dead ends: 1950 [2022-02-10 23:45:31,256 INFO L226 Difference]: Without dead ends: 1950 [2022-02-10 23:45:31,256 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:31,256 INFO L934 BasicCegarLoop]: 128 mSDtfsCounter, 165 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:31,256 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 455 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:31,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-02-10 23:45:31,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1673. [2022-02-10 23:45:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1666 states have (on average 1.87875150060024) internal successors, (3130), 1672 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 3130 transitions. [2022-02-10 23:45:31,270 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 3130 transitions. Word has length 114 [2022-02-10 23:45:31,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:31,271 INFO L470 AbstractCegarLoop]: Abstraction has 1673 states and 3130 transitions. [2022-02-10 23:45:31,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 3130 transitions. [2022-02-10 23:45:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:31,272 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:31,272 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:31,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-02-10 23:45:31,272 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:31,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:31,273 INFO L85 PathProgramCache]: Analyzing trace with hash -93297196, now seen corresponding path program 8 times [2022-02-10 23:45:31,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:31,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479114883] [2022-02-10 23:45:31,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:31,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:31,963 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:31,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479114883] [2022-02-10 23:45:31,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479114883] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:31,963 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:31,963 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:31,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556691296] [2022-02-10 23:45:31,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:31,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:31,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:31,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:31,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:31,964 INFO L87 Difference]: Start difference. First operand 1673 states and 3130 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:32,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:32,664 INFO L93 Difference]: Finished difference Result 1938 states and 3585 transitions. [2022-02-10 23:45:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:32,664 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:32,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:32,667 INFO L225 Difference]: With dead ends: 1938 [2022-02-10 23:45:32,667 INFO L226 Difference]: Without dead ends: 1938 [2022-02-10 23:45:32,667 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:32,667 INFO L934 BasicCegarLoop]: 134 mSDtfsCounter, 171 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:32,667 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 536 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-02-10 23:45:32,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1675. [2022-02-10 23:45:32,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1668 states have (on average 1.8782973621103118) internal successors, (3133), 1674 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-02-10 23:45:32,681 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-02-10 23:45:32,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:32,681 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-02-10 23:45:32,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-02-10 23:45:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:32,683 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:32,683 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:32,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-02-10 23:45:32,683 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:32,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:32,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1533398418, now seen corresponding path program 9 times [2022-02-10 23:45:32,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:32,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636937556] [2022-02-10 23:45:32,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:32,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:33,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:33,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636937556] [2022-02-10 23:45:33,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636937556] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:33,290 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:33,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:33,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950337577] [2022-02-10 23:45:33,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:33,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:33,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:33,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:33,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:33,290 INFO L87 Difference]: Start difference. First operand 1675 states and 3133 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:33,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:33,932 INFO L93 Difference]: Finished difference Result 1933 states and 3579 transitions. [2022-02-10 23:45:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:33,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:33,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:33,935 INFO L225 Difference]: With dead ends: 1933 [2022-02-10 23:45:33,935 INFO L226 Difference]: Without dead ends: 1933 [2022-02-10 23:45:33,936 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:33,936 INFO L934 BasicCegarLoop]: 130 mSDtfsCounter, 167 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:33,936 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 613 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:33,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-02-10 23:45:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1675. [2022-02-10 23:45:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1668 states have (on average 1.8782973621103118) internal successors, (3133), 1674 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-02-10 23:45:33,954 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-02-10 23:45:33,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:33,954 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-02-10 23:45:33,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-02-10 23:45:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:33,956 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:33,956 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:33,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-02-10 23:45:33,957 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:33,957 INFO L85 PathProgramCache]: Analyzing trace with hash 211158013, now seen corresponding path program 5 times [2022-02-10 23:45:33,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:33,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287216524] [2022-02-10 23:45:33,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:33,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:34,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:34,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287216524] [2022-02-10 23:45:34,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287216524] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:34,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:34,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:34,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639595384] [2022-02-10 23:45:34,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:34,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:34,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:34,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:34,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:34,495 INFO L87 Difference]: Start difference. First operand 1675 states and 3133 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:35,123 INFO L93 Difference]: Finished difference Result 1997 states and 3730 transitions. [2022-02-10 23:45:35,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:35,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:35,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:35,126 INFO L225 Difference]: With dead ends: 1997 [2022-02-10 23:45:35,126 INFO L226 Difference]: Without dead ends: 1969 [2022-02-10 23:45:35,126 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:45:35,126 INFO L934 BasicCegarLoop]: 186 mSDtfsCounter, 205 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:35,126 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 717 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:35,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-02-10 23:45:35,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1639. [2022-02-10 23:45:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1632 states have (on average 1.8756127450980393) internal successors, (3061), 1638 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-02-10 23:45:35,140 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-02-10 23:45:35,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:35,140 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-02-10 23:45:35,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-02-10 23:45:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:35,141 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:35,142 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:35,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-02-10 23:45:35,142 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:35,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:35,142 INFO L85 PathProgramCache]: Analyzing trace with hash -121229007, now seen corresponding path program 6 times [2022-02-10 23:45:35,142 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:35,142 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347847485] [2022-02-10 23:45:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:35,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:35,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:35,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347847485] [2022-02-10 23:45:35,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347847485] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:35,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:35,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:35,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494138347] [2022-02-10 23:45:35,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:35,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:35,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:35,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:35,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:35,864 INFO L87 Difference]: Start difference. First operand 1639 states and 3061 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:36,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:36,741 INFO L93 Difference]: Finished difference Result 2220 states and 4146 transitions. [2022-02-10 23:45:36,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:36,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:36,744 INFO L225 Difference]: With dead ends: 2220 [2022-02-10 23:45:36,744 INFO L226 Difference]: Without dead ends: 2206 [2022-02-10 23:45:36,745 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-02-10 23:45:36,745 INFO L934 BasicCegarLoop]: 188 mSDtfsCounter, 227 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:36,745 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 728 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:36,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2022-02-10 23:45:36,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 1639. [2022-02-10 23:45:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1632 states have (on average 1.8756127450980393) internal successors, (3061), 1638 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-02-10 23:45:36,764 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-02-10 23:45:36,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:36,764 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-02-10 23:45:36,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-02-10 23:45:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:36,766 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:36,766 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:36,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-02-10 23:45:36,766 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:36,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:36,767 INFO L85 PathProgramCache]: Analyzing trace with hash 75959459, now seen corresponding path program 7 times [2022-02-10 23:45:36,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:36,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111258635] [2022-02-10 23:45:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:36,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:37,404 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:37,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111258635] [2022-02-10 23:45:37,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111258635] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:37,404 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:37,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:37,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371634397] [2022-02-10 23:45:37,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:37,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:37,405 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:37,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:37,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:37,405 INFO L87 Difference]: Start difference. First operand 1639 states and 3061 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:37,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:37,987 INFO L93 Difference]: Finished difference Result 1928 states and 3594 transitions. [2022-02-10 23:45:37,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:37,987 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:37,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:37,989 INFO L225 Difference]: With dead ends: 1928 [2022-02-10 23:45:37,989 INFO L226 Difference]: Without dead ends: 1907 [2022-02-10 23:45:37,990 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:45:37,990 INFO L934 BasicCegarLoop]: 193 mSDtfsCounter, 207 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:37,990 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 755 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:37,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2022-02-10 23:45:38,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1623. [2022-02-10 23:45:38,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1616 states have (on average 1.874381188118812) internal successors, (3029), 1622 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 3029 transitions. [2022-02-10 23:45:38,003 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 3029 transitions. Word has length 114 [2022-02-10 23:45:38,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:38,003 INFO L470 AbstractCegarLoop]: Abstraction has 1623 states and 3029 transitions. [2022-02-10 23:45:38,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 3029 transitions. [2022-02-10 23:45:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:38,005 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:38,005 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:38,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-02-10 23:45:38,006 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:38,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:38,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2081919525, now seen corresponding path program 8 times [2022-02-10 23:45:38,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:38,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666590320] [2022-02-10 23:45:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:38,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:38,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:38,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666590320] [2022-02-10 23:45:38,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666590320] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:38,638 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:38,638 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:38,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699828748] [2022-02-10 23:45:38,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:38,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:38,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:38,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:38,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:38,639 INFO L87 Difference]: Start difference. First operand 1623 states and 3029 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:39,498 INFO L93 Difference]: Finished difference Result 2125 states and 3953 transitions. [2022-02-10 23:45:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:39,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:39,500 INFO L225 Difference]: With dead ends: 2125 [2022-02-10 23:45:39,500 INFO L226 Difference]: Without dead ends: 2111 [2022-02-10 23:45:39,500 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:45:39,501 INFO L934 BasicCegarLoop]: 194 mSDtfsCounter, 228 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:39,501 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 790 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:39,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2022-02-10 23:45:39,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1621. [2022-02-10 23:45:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1621 states, 1614 states have (on average 1.8742255266418835) internal successors, (3025), 1620 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:39,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1621 states and 3025 transitions. [2022-02-10 23:45:39,528 INFO L78 Accepts]: Start accepts. Automaton has 1621 states and 3025 transitions. Word has length 114 [2022-02-10 23:45:39,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:39,528 INFO L470 AbstractCegarLoop]: Abstraction has 1621 states and 3025 transitions. [2022-02-10 23:45:39,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:39,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 3025 transitions. [2022-02-10 23:45:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:39,529 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:39,529 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:39,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-02-10 23:45:39,529 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:39,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:39,530 INFO L85 PathProgramCache]: Analyzing trace with hash 277819777, now seen corresponding path program 9 times [2022-02-10 23:45:39,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:39,530 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638007552] [2022-02-10 23:45:39,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:40,051 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:40,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638007552] [2022-02-10 23:45:40,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638007552] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:40,051 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:40,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:40,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143083713] [2022-02-10 23:45:40,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:40,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:40,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:40,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:40,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:40,052 INFO L87 Difference]: Start difference. First operand 1621 states and 3025 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:40,735 INFO L93 Difference]: Finished difference Result 1809 states and 3367 transitions. [2022-02-10 23:45:40,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:40,735 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:40,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:40,737 INFO L225 Difference]: With dead ends: 1809 [2022-02-10 23:45:40,737 INFO L226 Difference]: Without dead ends: 1795 [2022-02-10 23:45:40,737 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:45:40,738 INFO L934 BasicCegarLoop]: 208 mSDtfsCounter, 182 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:40,738 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 1014 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-02-10 23:45:40,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1589. [2022-02-10 23:45:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1582 states have (on average 1.8710493046776233) internal successors, (2960), 1588 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2960 transitions. [2022-02-10 23:45:40,752 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2960 transitions. Word has length 114 [2022-02-10 23:45:40,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:40,752 INFO L470 AbstractCegarLoop]: Abstraction has 1589 states and 2960 transitions. [2022-02-10 23:45:40,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2960 transitions. [2022-02-10 23:45:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:40,753 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:40,753 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:40,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-02-10 23:45:40,753 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:40,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:40,754 INFO L85 PathProgramCache]: Analyzing trace with hash -633836338, now seen corresponding path program 10 times [2022-02-10 23:45:40,754 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:40,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815420574] [2022-02-10 23:45:40,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:40,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:41,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:41,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815420574] [2022-02-10 23:45:41,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815420574] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:41,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:41,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:41,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563158717] [2022-02-10 23:45:41,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:41,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:41,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:41,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:41,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:41,065 INFO L87 Difference]: Start difference. First operand 1589 states and 2960 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:41,440 INFO L93 Difference]: Finished difference Result 1686 states and 3126 transitions. [2022-02-10 23:45:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:41,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:41,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:41,442 INFO L225 Difference]: With dead ends: 1686 [2022-02-10 23:45:41,442 INFO L226 Difference]: Without dead ends: 1686 [2022-02-10 23:45:41,442 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:45:41,442 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 103 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:41,442 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 545 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:45:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-02-10 23:45:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1599. [2022-02-10 23:45:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1592 states have (on average 1.8718592964824121) internal successors, (2980), 1598 states have internal predecessors, (2980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2980 transitions. [2022-02-10 23:45:41,455 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2980 transitions. Word has length 114 [2022-02-10 23:45:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:41,455 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 2980 transitions. [2022-02-10 23:45:41,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2980 transitions. [2022-02-10 23:45:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:41,456 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:41,456 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:41,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-02-10 23:45:41,456 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:41,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1038235218, now seen corresponding path program 11 times [2022-02-10 23:45:41,457 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:41,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544279405] [2022-02-10 23:45:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:41,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:41,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:41,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544279405] [2022-02-10 23:45:41,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544279405] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:41,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:41,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:41,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156953705] [2022-02-10 23:45:41,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:41,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:41,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:41,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:41,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:41,787 INFO L87 Difference]: Start difference. First operand 1599 states and 2980 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:42,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:42,198 INFO L93 Difference]: Finished difference Result 1681 states and 3117 transitions. [2022-02-10 23:45:42,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:42,198 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 [2022-02-10 23:45:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:42,200 INFO L225 Difference]: With dead ends: 1681 [2022-02-10 23:45:42,200 INFO L226 Difference]: Without dead ends: 1681 [2022-02-10 23:45:42,200 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:45:42,200 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 98 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:42,200 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 676 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:42,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2022-02-10 23:45:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1581. [2022-02-10 23:45:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1574 states have (on average 1.8703939008894537) internal successors, (2944), 1580 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2944 transitions. [2022-02-10 23:45:42,212 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2944 transitions. Word has length 114 [2022-02-10 23:45:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:42,212 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2944 transitions. [2022-02-10 23:45:42,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2944 transitions. [2022-02-10 23:45:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:42,214 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:42,214 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:42,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-02-10 23:45:42,214 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:42,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1891599700, now seen corresponding path program 12 times [2022-02-10 23:45:42,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:42,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677667365] [2022-02-10 23:45:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:42,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:42,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677667365] [2022-02-10 23:45:42,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677667365] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:42,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:42,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:42,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509015150] [2022-02-10 23:45:42,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:42,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:42,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:42,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:42,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:42,609 INFO L87 Difference]: Start difference. First operand 1581 states and 2944 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:43,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:43,124 INFO L93 Difference]: Finished difference Result 1723 states and 3186 transitions. [2022-02-10 23:45:43,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:45:43,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:43,126 INFO L225 Difference]: With dead ends: 1723 [2022-02-10 23:45:43,127 INFO L226 Difference]: Without dead ends: 1723 [2022-02-10 23:45:43,127 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:43,127 INFO L934 BasicCegarLoop]: 147 mSDtfsCounter, 107 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:43,127 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 639 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:43,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-02-10 23:45:43,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1582. [2022-02-10 23:45:43,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1575 states have (on average 1.8704761904761904) internal successors, (2946), 1581 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2946 transitions. [2022-02-10 23:45:43,139 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2946 transitions. Word has length 114 [2022-02-10 23:45:43,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:43,139 INFO L470 AbstractCegarLoop]: Abstraction has 1582 states and 2946 transitions. [2022-02-10 23:45:43,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2946 transitions. [2022-02-10 23:45:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:43,141 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:43,141 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:43,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-02-10 23:45:43,141 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:43,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:43,141 INFO L85 PathProgramCache]: Analyzing trace with hash -757357396, now seen corresponding path program 13 times [2022-02-10 23:45:43,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:43,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241377966] [2022-02-10 23:45:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:43,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:43,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241377966] [2022-02-10 23:45:43,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241377966] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:43,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:43,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:43,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150463329] [2022-02-10 23:45:43,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:43,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:43,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:43,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:43,675 INFO L87 Difference]: Start difference. First operand 1582 states and 2946 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:44,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:44,329 INFO L93 Difference]: Finished difference Result 1707 states and 3154 transitions. [2022-02-10 23:45:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:45:44,329 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:44,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:44,331 INFO L225 Difference]: With dead ends: 1707 [2022-02-10 23:45:44,331 INFO L226 Difference]: Without dead ends: 1707 [2022-02-10 23:45:44,331 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-10 23:45:44,332 INFO L934 BasicCegarLoop]: 147 mSDtfsCounter, 100 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:44,332 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 696 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:44,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-02-10 23:45:44,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1583. [2022-02-10 23:45:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1576 states have (on average 1.8705583756345177) internal successors, (2948), 1582 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2948 transitions. [2022-02-10 23:45:44,344 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2948 transitions. Word has length 114 [2022-02-10 23:45:44,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:44,344 INFO L470 AbstractCegarLoop]: Abstraction has 1583 states and 2948 transitions. [2022-02-10 23:45:44,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2948 transitions. [2022-02-10 23:45:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:44,345 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:44,345 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:44,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-02-10 23:45:44,345 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:44,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:44,346 INFO L85 PathProgramCache]: Analyzing trace with hash 869338218, now seen corresponding path program 14 times [2022-02-10 23:45:44,346 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:44,346 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373996085] [2022-02-10 23:45:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:44,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:44,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:44,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373996085] [2022-02-10 23:45:44,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373996085] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:44,857 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:44,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:44,857 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541691827] [2022-02-10 23:45:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:44,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:44,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:44,858 INFO L87 Difference]: Start difference. First operand 1583 states and 2948 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:45,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:45,392 INFO L93 Difference]: Finished difference Result 1706 states and 3152 transitions. [2022-02-10 23:45:45,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:45:45,392 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:45,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:45,394 INFO L225 Difference]: With dead ends: 1706 [2022-02-10 23:45:45,394 INFO L226 Difference]: Without dead ends: 1706 [2022-02-10 23:45:45,394 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:45:45,394 INFO L934 BasicCegarLoop]: 147 mSDtfsCounter, 98 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:45,394 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 598 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:45,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-02-10 23:45:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1580. [2022-02-10 23:45:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1573 states have (on average 1.870311506675143) internal successors, (2942), 1579 states have internal predecessors, (2942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2942 transitions. [2022-02-10 23:45:45,407 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2942 transitions. Word has length 114 [2022-02-10 23:45:45,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:45,407 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2942 transitions. [2022-02-10 23:45:45,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2942 transitions. [2022-02-10 23:45:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:45,408 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:45,408 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:45,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-02-10 23:45:45,408 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:45,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:45,409 INFO L85 PathProgramCache]: Analyzing trace with hash -762537084, now seen corresponding path program 15 times [2022-02-10 23:45:45,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:45,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199710582] [2022-02-10 23:45:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:45,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:45,759 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:45,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199710582] [2022-02-10 23:45:45,760 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199710582] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:45,760 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:45,760 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:45,760 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312257413] [2022-02-10 23:45:45,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:45,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:45,760 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:45,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:45,760 INFO L87 Difference]: Start difference. First operand 1580 states and 2942 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:46,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:46,222 INFO L93 Difference]: Finished difference Result 1662 states and 3081 transitions. [2022-02-10 23:45:46,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:46,223 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:46,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:46,224 INFO L225 Difference]: With dead ends: 1662 [2022-02-10 23:45:46,225 INFO L226 Difference]: Without dead ends: 1662 [2022-02-10 23:45:46,225 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:45:46,225 INFO L934 BasicCegarLoop]: 157 mSDtfsCounter, 109 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:46,225 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 791 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2022-02-10 23:45:46,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1572. [2022-02-10 23:45:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1565 states have (on average 1.8696485623003194) internal successors, (2926), 1571 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2926 transitions. [2022-02-10 23:45:46,237 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2926 transitions. Word has length 114 [2022-02-10 23:45:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:46,238 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2926 transitions. [2022-02-10 23:45:46,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:46,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2926 transitions. [2022-02-10 23:45:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:46,239 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:46,239 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:46,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-02-10 23:45:46,239 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:46,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:46,239 INFO L85 PathProgramCache]: Analyzing trace with hash 371705220, now seen corresponding path program 16 times [2022-02-10 23:45:46,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:46,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692962577] [2022-02-10 23:45:46,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:46,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:46,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:46,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692962577] [2022-02-10 23:45:46,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692962577] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:46,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:46,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:46,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7362409] [2022-02-10 23:45:46,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:46,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:46,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:46,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:46,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:46,695 INFO L87 Difference]: Start difference. First operand 1572 states and 2926 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:47,350 INFO L93 Difference]: Finished difference Result 1689 states and 3118 transitions. [2022-02-10 23:45:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:45:47,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:47,352 INFO L225 Difference]: With dead ends: 1689 [2022-02-10 23:45:47,352 INFO L226 Difference]: Without dead ends: 1689 [2022-02-10 23:45:47,352 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:45:47,353 INFO L934 BasicCegarLoop]: 161 mSDtfsCounter, 116 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:47,353 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 803 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:47,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-02-10 23:45:47,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1573. [2022-02-10 23:45:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1566 states have (on average 1.8697318007662835) internal successors, (2928), 1572 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2928 transitions. [2022-02-10 23:45:47,365 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2928 transitions. Word has length 114 [2022-02-10 23:45:47,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:47,365 INFO L470 AbstractCegarLoop]: Abstraction has 1573 states and 2928 transitions. [2022-02-10 23:45:47,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2928 transitions. [2022-02-10 23:45:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:47,366 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:47,366 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:47,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-02-10 23:45:47,367 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:47,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:47,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1998400834, now seen corresponding path program 17 times [2022-02-10 23:45:47,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:47,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026957214] [2022-02-10 23:45:47,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:47,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:47,808 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:47,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026957214] [2022-02-10 23:45:47,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026957214] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:47,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:47,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:47,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240458040] [2022-02-10 23:45:47,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:47,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:47,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:47,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:47,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:47,810 INFO L87 Difference]: Start difference. First operand 1573 states and 2928 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:48,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:48,259 INFO L93 Difference]: Finished difference Result 1688 states and 3116 transitions. [2022-02-10 23:45:48,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:45:48,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:48,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:48,261 INFO L225 Difference]: With dead ends: 1688 [2022-02-10 23:45:48,261 INFO L226 Difference]: Without dead ends: 1688 [2022-02-10 23:45:48,261 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:45:48,262 INFO L934 BasicCegarLoop]: 161 mSDtfsCounter, 123 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:48,262 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 525 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:45:48,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-02-10 23:45:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1571. [2022-02-10 23:45:48,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-02-10 23:45:48,278 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-02-10 23:45:48,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:48,278 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-02-10 23:45:48,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-02-10 23:45:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:48,279 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:48,280 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:48,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-02-10 23:45:48,280 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:48,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:48,280 INFO L85 PathProgramCache]: Analyzing trace with hash -486804394, now seen corresponding path program 18 times [2022-02-10 23:45:48,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:48,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723518032] [2022-02-10 23:45:48,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:48,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:48,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:48,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723518032] [2022-02-10 23:45:48,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723518032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:48,614 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:48,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:48,614 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709949179] [2022-02-10 23:45:48,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:48,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:48,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:48,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:48,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:48,615 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:49,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:49,121 INFO L93 Difference]: Finished difference Result 1636 states and 3037 transitions. [2022-02-10 23:45:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:45:49,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:49,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:49,123 INFO L225 Difference]: With dead ends: 1636 [2022-02-10 23:45:49,123 INFO L226 Difference]: Without dead ends: 1636 [2022-02-10 23:45:49,123 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:49,123 INFO L934 BasicCegarLoop]: 185 mSDtfsCounter, 137 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:49,123 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 1025 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:49,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-02-10 23:45:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1571. [2022-02-10 23:45:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-02-10 23:45:49,135 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-02-10 23:45:49,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:49,135 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-02-10 23:45:49,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-02-10 23:45:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:49,137 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:49,137 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:49,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-02-10 23:45:49,137 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1589942, now seen corresponding path program 19 times [2022-02-10 23:45:49,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:49,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13647350] [2022-02-10 23:45:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:49,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:49,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13647350] [2022-02-10 23:45:49,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13647350] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:49,510 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:49,511 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:49,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065746383] [2022-02-10 23:45:49,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:49,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:49,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:49,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:49,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:49,512 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:50,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:50,055 INFO L93 Difference]: Finished difference Result 1654 states and 3056 transitions. [2022-02-10 23:45:50,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:45:50,056 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 [2022-02-10 23:45:50,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:50,057 INFO L225 Difference]: With dead ends: 1654 [2022-02-10 23:45:50,058 INFO L226 Difference]: Without dead ends: 1654 [2022-02-10 23:45:50,058 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:45:50,058 INFO L934 BasicCegarLoop]: 189 mSDtfsCounter, 159 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:50,058 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 788 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:50,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-02-10 23:45:50,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1571. [2022-02-10 23:45:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-02-10 23:45:50,071 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-02-10 23:45:50,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:50,072 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-02-10 23:45:50,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-02-10 23:45:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:50,073 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:50,073 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:50,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-02-10 23:45:50,073 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:50,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:50,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1628285556, now seen corresponding path program 20 times [2022-02-10 23:45:50,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:50,074 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550882907] [2022-02-10 23:45:50,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:50,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:50,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:50,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550882907] [2022-02-10 23:45:50,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550882907] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:50,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:50,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:50,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938054119] [2022-02-10 23:45:50,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:50,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:50,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:50,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:50,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:50,449 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:50,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:50,960 INFO L93 Difference]: Finished difference Result 1644 states and 3045 transitions. [2022-02-10 23:45:50,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:50,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:50,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:50,962 INFO L225 Difference]: With dead ends: 1644 [2022-02-10 23:45:50,962 INFO L226 Difference]: Without dead ends: 1644 [2022-02-10 23:45:50,962 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:45:50,963 INFO L934 BasicCegarLoop]: 189 mSDtfsCounter, 151 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:50,963 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 774 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-02-10 23:45:50,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1562. [2022-02-10 23:45:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1555 states have (on average 1.8688102893890675) internal successors, (2906), 1561 states have internal predecessors, (2906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2906 transitions. [2022-02-10 23:45:50,975 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2906 transitions. Word has length 114 [2022-02-10 23:45:50,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:50,975 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2906 transitions. [2022-02-10 23:45:50,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2906 transitions. [2022-02-10 23:45:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:50,976 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:50,976 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:50,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-02-10 23:45:50,977 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:50,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:50,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1291602263, now seen corresponding path program 10 times [2022-02-10 23:45:50,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:50,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458350209] [2022-02-10 23:45:50,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:50,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:51,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:51,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458350209] [2022-02-10 23:45:51,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458350209] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:51,440 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:51,440 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:51,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817093582] [2022-02-10 23:45:51,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:51,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:51,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:51,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:51,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:51,441 INFO L87 Difference]: Start difference. First operand 1562 states and 2906 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:51,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:51,886 INFO L93 Difference]: Finished difference Result 1909 states and 3522 transitions. [2022-02-10 23:45:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:45:51,887 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:51,889 INFO L225 Difference]: With dead ends: 1909 [2022-02-10 23:45:51,889 INFO L226 Difference]: Without dead ends: 1909 [2022-02-10 23:45:51,889 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:45:51,889 INFO L934 BasicCegarLoop]: 135 mSDtfsCounter, 255 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:51,889 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 499 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:51,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2022-02-10 23:45:51,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1588. [2022-02-10 23:45:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1581 states have (on average 1.8709677419354838) internal successors, (2958), 1587 states have internal predecessors, (2958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2958 transitions. [2022-02-10 23:45:51,904 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2958 transitions. Word has length 114 [2022-02-10 23:45:51,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:51,904 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 2958 transitions. [2022-02-10 23:45:51,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2958 transitions. [2022-02-10 23:45:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:51,905 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:51,905 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:51,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-02-10 23:45:51,905 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:51,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:51,906 INFO L85 PathProgramCache]: Analyzing trace with hash 198793860, now seen corresponding path program 3 times [2022-02-10 23:45:51,906 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:51,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932328612] [2022-02-10 23:45:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:51,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:52,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:52,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932328612] [2022-02-10 23:45:52,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932328612] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:52,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:52,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:52,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705112] [2022-02-10 23:45:52,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:52,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:52,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:52,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:52,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:52,160 INFO L87 Difference]: Start difference. First operand 1588 states and 2958 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:52,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:52,498 INFO L93 Difference]: Finished difference Result 1908 states and 3518 transitions. [2022-02-10 23:45:52,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:52,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:52,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:52,500 INFO L225 Difference]: With dead ends: 1908 [2022-02-10 23:45:52,500 INFO L226 Difference]: Without dead ends: 1908 [2022-02-10 23:45:52,500 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:52,500 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 195 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:52,500 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 393 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-02-10 23:45:52,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1585. [2022-02-10 23:45:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1578 states have (on average 1.870722433460076) internal successors, (2952), 1584 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2952 transitions. [2022-02-10 23:45:52,513 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2952 transitions. Word has length 114 [2022-02-10 23:45:52,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:52,514 INFO L470 AbstractCegarLoop]: Abstraction has 1585 states and 2952 transitions. [2022-02-10 23:45:52,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2952 transitions. [2022-02-10 23:45:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:52,515 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:52,515 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:52,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-02-10 23:45:52,515 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:52,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1095055970, now seen corresponding path program 4 times [2022-02-10 23:45:52,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:52,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745229073] [2022-02-10 23:45:52,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:52,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:52,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:52,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745229073] [2022-02-10 23:45:52,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745229073] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:52,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:52,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:52,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883863305] [2022-02-10 23:45:52,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:52,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:52,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:52,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:52,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:52,884 INFO L87 Difference]: Start difference. First operand 1585 states and 2952 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:53,321 INFO L93 Difference]: Finished difference Result 1894 states and 3490 transitions. [2022-02-10 23:45:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:53,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:53,323 INFO L225 Difference]: With dead ends: 1894 [2022-02-10 23:45:53,323 INFO L226 Difference]: Without dead ends: 1894 [2022-02-10 23:45:53,323 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:53,323 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 221 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:53,323 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 407 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:53,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2022-02-10 23:45:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1561. [2022-02-10 23:45:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1554 states have (on average 1.8706563706563706) internal successors, (2907), 1560 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2907 transitions. [2022-02-10 23:45:53,336 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2907 transitions. Word has length 114 [2022-02-10 23:45:53,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:53,336 INFO L470 AbstractCegarLoop]: Abstraction has 1561 states and 2907 transitions. [2022-02-10 23:45:53,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2907 transitions. [2022-02-10 23:45:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:53,337 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:53,338 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:53,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-02-10 23:45:53,338 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:53,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:53,338 INFO L85 PathProgramCache]: Analyzing trace with hash -792364937, now seen corresponding path program 2 times [2022-02-10 23:45:53,338 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:53,338 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19367347] [2022-02-10 23:45:53,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:54,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:54,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19367347] [2022-02-10 23:45:54,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19367347] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:54,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:54,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:45:54,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15104198] [2022-02-10 23:45:54,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:54,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:45:54,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:54,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:45:54,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:54,160 INFO L87 Difference]: Start difference. First operand 1561 states and 2907 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:54,781 INFO L93 Difference]: Finished difference Result 2012 states and 3715 transitions. [2022-02-10 23:45:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:45:54,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:54,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:54,783 INFO L225 Difference]: With dead ends: 2012 [2022-02-10 23:45:54,784 INFO L226 Difference]: Without dead ends: 1968 [2022-02-10 23:45:54,784 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:45:54,784 INFO L934 BasicCegarLoop]: 142 mSDtfsCounter, 295 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:54,784 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 607 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:54,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-02-10 23:45:54,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1565. [2022-02-10 23:45:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1558 states have (on average 1.8703465982028242) internal successors, (2914), 1564 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2914 transitions. [2022-02-10 23:45:54,798 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2914 transitions. Word has length 114 [2022-02-10 23:45:54,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:54,798 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2914 transitions. [2022-02-10 23:45:54,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2914 transitions. [2022-02-10 23:45:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:54,799 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:54,799 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:54,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-02-10 23:45:54,800 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:54,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:54,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1621402836, now seen corresponding path program 21 times [2022-02-10 23:45:54,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:54,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018758323] [2022-02-10 23:45:54,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:54,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:55,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:55,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018758323] [2022-02-10 23:45:55,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018758323] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:55,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:55,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:55,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104646589] [2022-02-10 23:45:55,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:55,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:55,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:55,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:55,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:55,097 INFO L87 Difference]: Start difference. First operand 1565 states and 2914 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:55,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:55,449 INFO L93 Difference]: Finished difference Result 1941 states and 3573 transitions. [2022-02-10 23:45:55,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:55,449 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:55,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:55,451 INFO L225 Difference]: With dead ends: 1941 [2022-02-10 23:45:55,451 INFO L226 Difference]: Without dead ends: 1941 [2022-02-10 23:45:55,451 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:55,451 INFO L934 BasicCegarLoop]: 127 mSDtfsCounter, 211 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:55,451 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 424 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:45:55,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-02-10 23:45:55,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1547. [2022-02-10 23:45:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1540 states have (on average 1.8688311688311687) internal successors, (2878), 1546 states have internal predecessors, (2878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2878 transitions. [2022-02-10 23:45:55,466 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2878 transitions. Word has length 114 [2022-02-10 23:45:55,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:55,466 INFO L470 AbstractCegarLoop]: Abstraction has 1547 states and 2878 transitions. [2022-02-10 23:45:55,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2878 transitions. [2022-02-10 23:45:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:55,467 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:55,467 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:55,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-02-10 23:45:55,467 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:55,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:55,468 INFO L85 PathProgramCache]: Analyzing trace with hash -165592278, now seen corresponding path program 22 times [2022-02-10 23:45:55,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:55,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016767014] [2022-02-10 23:45:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:55,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:55,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016767014] [2022-02-10 23:45:55,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016767014] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:55,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:55,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:55,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363412848] [2022-02-10 23:45:55,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:55,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:55,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:55,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:55,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:55,825 INFO L87 Difference]: Start difference. First operand 1547 states and 2878 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:56,291 INFO L93 Difference]: Finished difference Result 1925 states and 3542 transitions. [2022-02-10 23:45:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:45:56,292 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 [2022-02-10 23:45:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:56,294 INFO L225 Difference]: With dead ends: 1925 [2022-02-10 23:45:56,294 INFO L226 Difference]: Without dead ends: 1925 [2022-02-10 23:45:56,294 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:45:56,294 INFO L934 BasicCegarLoop]: 127 mSDtfsCounter, 217 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:56,294 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 561 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:45:56,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2022-02-10 23:45:56,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1330. [2022-02-10 23:45:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1323 states have (on average 1.8518518518518519) internal successors, (2450), 1329 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 2450 transitions. [2022-02-10 23:45:56,305 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 2450 transitions. Word has length 114 [2022-02-10 23:45:56,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:56,305 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 2450 transitions. [2022-02-10 23:45:56,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2450 transitions. [2022-02-10 23:45:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:56,306 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:56,306 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:56,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-02-10 23:45:56,307 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:56,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:56,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1262079851, now seen corresponding path program 3 times [2022-02-10 23:45:56,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:56,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016874498] [2022-02-10 23:45:56,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:56,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:57,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:57,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016874498] [2022-02-10 23:45:57,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016874498] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:57,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:57,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:45:57,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655919447] [2022-02-10 23:45:57,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:57,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:45:57,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:57,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:45:57,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:57,320 INFO L87 Difference]: Start difference. First operand 1330 states and 2450 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:57,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:57,894 INFO L93 Difference]: Finished difference Result 1547 states and 2854 transitions. [2022-02-10 23:45:57,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:57,895 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:57,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:57,896 INFO L225 Difference]: With dead ends: 1547 [2022-02-10 23:45:57,896 INFO L226 Difference]: Without dead ends: 1503 [2022-02-10 23:45:57,896 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:45:57,896 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 213 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:57,897 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 590 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2022-02-10 23:45:57,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1304. [2022-02-10 23:45:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1304 states, 1297 states have (on average 1.8496530454895914) internal successors, (2399), 1303 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2399 transitions. [2022-02-10 23:45:57,907 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2399 transitions. Word has length 114 [2022-02-10 23:45:57,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:57,907 INFO L470 AbstractCegarLoop]: Abstraction has 1304 states and 2399 transitions. [2022-02-10 23:45:57,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2399 transitions. [2022-02-10 23:45:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:57,908 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:57,908 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:57,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-02-10 23:45:57,908 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:57,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:57,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1735800633, now seen corresponding path program 4 times [2022-02-10 23:45:57,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:57,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456965177] [2022-02-10 23:45:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:57,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:58,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:58,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456965177] [2022-02-10 23:45:58,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456965177] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:58,770 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:58,770 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:45:58,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025381274] [2022-02-10 23:45:58,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:58,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:45:58,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:58,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:45:58,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:45:58,771 INFO L87 Difference]: Start difference. First operand 1304 states and 2399 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:59,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:45:59,353 INFO L93 Difference]: Finished difference Result 1469 states and 2700 transitions. [2022-02-10 23:45:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:45:59,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:45:59,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:45:59,354 INFO L225 Difference]: With dead ends: 1469 [2022-02-10 23:45:59,354 INFO L226 Difference]: Without dead ends: 1436 [2022-02-10 23:45:59,355 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:45:59,355 INFO L934 BasicCegarLoop]: 129 mSDtfsCounter, 187 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:45:59,355 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 617 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:45:59,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-02-10 23:45:59,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1252. [2022-02-10 23:45:59,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-10 23:45:59,367 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-10 23:45:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:45:59,368 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-10 23:45:59,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:45:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-10 23:45:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:45:59,369 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:45:59,369 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:45:59,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-02-10 23:45:59,369 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:45:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:45:59,370 INFO L85 PathProgramCache]: Analyzing trace with hash 100492234, now seen corresponding path program 5 times [2022-02-10 23:45:59,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:45:59,370 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845027033] [2022-02-10 23:45:59,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:45:59,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:45:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:45:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:45:59,794 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:45:59,794 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845027033] [2022-02-10 23:45:59,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845027033] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:45:59,794 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:45:59,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:45:59,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710174765] [2022-02-10 23:45:59,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:45:59,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:45:59,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:45:59,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:45:59,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:45:59,795 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:00,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:00,357 INFO L93 Difference]: Finished difference Result 1281 states and 2343 transitions. [2022-02-10 23:46:00,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:00,357 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:00,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:00,359 INFO L225 Difference]: With dead ends: 1281 [2022-02-10 23:46:00,359 INFO L226 Difference]: Without dead ends: 1281 [2022-02-10 23:46:00,359 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:46:00,359 INFO L934 BasicCegarLoop]: 110 mSDtfsCounter, 171 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:00,359 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 352 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:00,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-02-10 23:46:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1252. [2022-02-10 23:46:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-10 23:46:00,368 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-10 23:46:00,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:00,368 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-10 23:46:00,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-10 23:46:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:00,369 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:00,369 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:00,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-02-10 23:46:00,370 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:00,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash -751246544, now seen corresponding path program 6 times [2022-02-10 23:46:00,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:00,370 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097979097] [2022-02-10 23:46:00,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:00,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:00,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097979097] [2022-02-10 23:46:00,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097979097] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:00,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:00,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:00,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160506645] [2022-02-10 23:46:00,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:00,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:00,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:00,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:00,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:00,786 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:01,259 INFO L93 Difference]: Finished difference Result 1299 states and 2374 transitions. [2022-02-10 23:46:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:01,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:01,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:01,261 INFO L225 Difference]: With dead ends: 1299 [2022-02-10 23:46:01,261 INFO L226 Difference]: Without dead ends: 1299 [2022-02-10 23:46:01,261 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:46:01,261 INFO L934 BasicCegarLoop]: 109 mSDtfsCounter, 166 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:01,261 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 334 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-02-10 23:46:01,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1252. [2022-02-10 23:46:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-10 23:46:01,271 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-10 23:46:01,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:01,271 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-10 23:46:01,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:01,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-10 23:46:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:01,272 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:01,272 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:01,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-02-10 23:46:01,272 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:01,272 INFO L85 PathProgramCache]: Analyzing trace with hash -530038232, now seen corresponding path program 7 times [2022-02-10 23:46:01,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:01,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264952384] [2022-02-10 23:46:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:01,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:01,699 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:01,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:01,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264952384] [2022-02-10 23:46:01,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264952384] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:01,700 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:01,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:01,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988967560] [2022-02-10 23:46:01,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:01,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:01,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:01,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:01,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:01,701 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:02,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:02,148 INFO L93 Difference]: Finished difference Result 1313 states and 2402 transitions. [2022-02-10 23:46:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:02,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:02,149 INFO L225 Difference]: With dead ends: 1313 [2022-02-10 23:46:02,150 INFO L226 Difference]: Without dead ends: 1313 [2022-02-10 23:46:02,150 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:46:02,150 INFO L934 BasicCegarLoop]: 105 mSDtfsCounter, 147 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:02,150 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 384 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2022-02-10 23:46:02,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1252. [2022-02-10 23:46:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-10 23:46:02,159 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-10 23:46:02,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:02,160 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-10 23:46:02,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-10 23:46:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:02,161 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:02,161 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:02,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-02-10 23:46:02,161 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:02,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1517812654, now seen corresponding path program 8 times [2022-02-10 23:46:02,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:02,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114225919] [2022-02-10 23:46:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:02,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:02,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:02,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114225919] [2022-02-10 23:46:02,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114225919] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:02,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:02,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:02,528 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691569608] [2022-02-10 23:46:02,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:02,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:02,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:02,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:02,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:02,528 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:02,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:02,917 INFO L93 Difference]: Finished difference Result 1299 states and 2379 transitions. [2022-02-10 23:46:02,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:02,917 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:02,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:02,919 INFO L225 Difference]: With dead ends: 1299 [2022-02-10 23:46:02,919 INFO L226 Difference]: Without dead ends: 1299 [2022-02-10 23:46:02,919 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:46:02,919 INFO L934 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, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:02,919 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 364 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:02,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-02-10 23:46:02,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1226. [2022-02-10 23:46:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1219 states have (on average 1.844954881050041) internal successors, (2249), 1225 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 2249 transitions. [2022-02-10 23:46:02,930 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 2249 transitions. Word has length 114 [2022-02-10 23:46:02,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:02,930 INFO L470 AbstractCegarLoop]: Abstraction has 1226 states and 2249 transitions. [2022-02-10 23:46:02,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 2249 transitions. [2022-02-10 23:46:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:02,931 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:02,931 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:02,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-02-10 23:46:02,931 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:02,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:02,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1901795673, now seen corresponding path program 11 times [2022-02-10 23:46:02,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:02,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779210815] [2022-02-10 23:46:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:02,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:03,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:03,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779210815] [2022-02-10 23:46:03,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779210815] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:03,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:03,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:03,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101383106] [2022-02-10 23:46:03,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:03,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:03,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:03,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:03,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:03,645 INFO L87 Difference]: Start difference. First operand 1226 states and 2249 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:04,187 INFO L93 Difference]: Finished difference Result 1539 states and 2829 transitions. [2022-02-10 23:46:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:46:04,187 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:04,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:04,188 INFO L225 Difference]: With dead ends: 1539 [2022-02-10 23:46:04,189 INFO L226 Difference]: Without dead ends: 1511 [2022-02-10 23:46:04,189 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:46:04,189 INFO L934 BasicCegarLoop]: 149 mSDtfsCounter, 262 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:04,189 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 524 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:04,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-02-10 23:46:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1182. [2022-02-10 23:46:04,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1175 states have (on average 1.8391489361702127) internal successors, (2161), 1181 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:04,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2161 transitions. [2022-02-10 23:46:04,198 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2161 transitions. Word has length 114 [2022-02-10 23:46:04,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:04,199 INFO L470 AbstractCegarLoop]: Abstraction has 1182 states and 2161 transitions. [2022-02-10 23:46:04,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2161 transitions. [2022-02-10 23:46:04,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:04,200 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:04,200 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:04,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-02-10 23:46:04,200 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:04,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:04,200 INFO L85 PathProgramCache]: Analyzing trace with hash 934747207, now seen corresponding path program 12 times [2022-02-10 23:46:04,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:04,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678078009] [2022-02-10 23:46:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:04,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:05,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:05,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678078009] [2022-02-10 23:46:05,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678078009] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:05,110 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:05,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:05,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591396190] [2022-02-10 23:46:05,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:05,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:05,110 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:05,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:05,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:05,111 INFO L87 Difference]: Start difference. First operand 1182 states and 2161 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:05,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:05,746 INFO L93 Difference]: Finished difference Result 1551 states and 2853 transitions. [2022-02-10 23:46:05,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:46:05,746 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:05,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:05,748 INFO L225 Difference]: With dead ends: 1551 [2022-02-10 23:46:05,748 INFO L226 Difference]: Without dead ends: 1530 [2022-02-10 23:46:05,748 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:46:05,748 INFO L934 BasicCegarLoop]: 147 mSDtfsCounter, 236 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:05,748 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 599 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:05,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2022-02-10 23:46:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1163. [2022-02-10 23:46:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1156 states have (on average 1.8365051903114187) internal successors, (2123), 1162 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2123 transitions. [2022-02-10 23:46:05,767 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2123 transitions. Word has length 114 [2022-02-10 23:46:05,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:05,767 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2123 transitions. [2022-02-10 23:46:05,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2123 transitions. [2022-02-10 23:46:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:05,768 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:05,768 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:05,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-02-10 23:46:05,768 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:05,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:05,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1569408653, now seen corresponding path program 13 times [2022-02-10 23:46:05,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:05,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4354391] [2022-02-10 23:46:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:05,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:06,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:06,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4354391] [2022-02-10 23:46:06,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4354391] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:06,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:06,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:06,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901155736] [2022-02-10 23:46:06,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:06,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:06,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:06,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:06,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:06,640 INFO L87 Difference]: Start difference. First operand 1163 states and 2123 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:07,336 INFO L93 Difference]: Finished difference Result 1450 states and 2653 transitions. [2022-02-10 23:46:07,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:46:07,337 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:07,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:07,338 INFO L225 Difference]: With dead ends: 1450 [2022-02-10 23:46:07,338 INFO L226 Difference]: Without dead ends: 1436 [2022-02-10 23:46:07,338 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:46:07,338 INFO L934 BasicCegarLoop]: 145 mSDtfsCounter, 237 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:07,339 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 556 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:07,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-02-10 23:46:07,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1127. [2022-02-10 23:46:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1120 states have (on average 1.83125) internal successors, (2051), 1126 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-02-10 23:46:07,348 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-02-10 23:46:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:07,348 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-02-10 23:46:07,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-02-10 23:46:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:07,349 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:07,349 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:07,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-02-10 23:46:07,349 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:07,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:07,349 INFO L85 PathProgramCache]: Analyzing trace with hash -236888212, now seen corresponding path program 23 times [2022-02-10 23:46:07,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:07,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556398139] [2022-02-10 23:46:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:07,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:07,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556398139] [2022-02-10 23:46:07,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556398139] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:07,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:07,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:07,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972208727] [2022-02-10 23:46:07,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:07,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:07,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:07,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:07,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:07,532 INFO L87 Difference]: Start difference. First operand 1127 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:08,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:08,090 INFO L93 Difference]: Finished difference Result 1177 states and 2139 transitions. [2022-02-10 23:46:08,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:46:08,090 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:08,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:08,091 INFO L225 Difference]: With dead ends: 1177 [2022-02-10 23:46:08,091 INFO L226 Difference]: Without dead ends: 1177 [2022-02-10 23:46:08,092 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-02-10 23:46:08,092 INFO L934 BasicCegarLoop]: 166 mSDtfsCounter, 225 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:08,092 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 685 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:08,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2022-02-10 23:46:08,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1127. [2022-02-10 23:46:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1120 states have (on average 1.83125) internal successors, (2051), 1126 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-02-10 23:46:08,104 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-02-10 23:46:08,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:08,104 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-02-10 23:46:08,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-02-10 23:46:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:08,105 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:08,105 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:08,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-02-10 23:46:08,106 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:08,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:08,106 INFO L85 PathProgramCache]: Analyzing trace with hash -322421242, now seen corresponding path program 24 times [2022-02-10 23:46:08,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:08,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49016763] [2022-02-10 23:46:08,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:08,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:08,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49016763] [2022-02-10 23:46:08,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49016763] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:08,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:08,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:08,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368520580] [2022-02-10 23:46:08,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:08,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:08,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:08,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:08,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:08,465 INFO L87 Difference]: Start difference. First operand 1127 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:08,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:08,817 INFO L93 Difference]: Finished difference Result 1208 states and 2188 transitions. [2022-02-10 23:46:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:08,817 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 [2022-02-10 23:46:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:08,818 INFO L225 Difference]: With dead ends: 1208 [2022-02-10 23:46:08,818 INFO L226 Difference]: Without dead ends: 1208 [2022-02-10 23:46:08,818 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:46:08,819 INFO L934 BasicCegarLoop]: 111 mSDtfsCounter, 147 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:08,819 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 393 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:46:08,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-02-10 23:46:08,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1137. [2022-02-10 23:46:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1130 states have (on average 1.8327433628318583) internal successors, (2071), 1136 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2071 transitions. [2022-02-10 23:46:08,827 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2071 transitions. Word has length 114 [2022-02-10 23:46:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:08,827 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 2071 transitions. [2022-02-10 23:46:08,827 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) [2022-02-10 23:46:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2071 transitions. [2022-02-10 23:46:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:08,828 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:08,828 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:08,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-02-10 23:46:08,829 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1349650314, now seen corresponding path program 25 times [2022-02-10 23:46:08,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:08,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882672392] [2022-02-10 23:46:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:09,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:09,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882672392] [2022-02-10 23:46:09,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882672392] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:09,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:09,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:09,262 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650281323] [2022-02-10 23:46:09,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:09,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:09,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:09,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:09,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:09,262 INFO L87 Difference]: Start difference. First operand 1137 states and 2071 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:09,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:09,564 INFO L93 Difference]: Finished difference Result 1203 states and 2179 transitions. [2022-02-10 23:46:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:09,565 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:09,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:09,566 INFO L225 Difference]: With dead ends: 1203 [2022-02-10 23:46:09,566 INFO L226 Difference]: Without dead ends: 1203 [2022-02-10 23:46:09,566 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:09,566 INFO L934 BasicCegarLoop]: 111 mSDtfsCounter, 139 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:09,566 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 400 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-02-10 23:46:09,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1119. [2022-02-10 23:46:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1112 states have (on average 1.8300359712230216) internal successors, (2035), 1118 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2035 transitions. [2022-02-10 23:46:09,575 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2035 transitions. Word has length 114 [2022-02-10 23:46:09,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:09,575 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2035 transitions. [2022-02-10 23:46:09,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2035 transitions. [2022-02-10 23:46:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:09,576 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:09,576 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:09,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-02-10 23:46:09,576 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:09,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:09,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1580184604, now seen corresponding path program 26 times [2022-02-10 23:46:09,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:09,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395832267] [2022-02-10 23:46:09,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:09,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:10,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:10,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395832267] [2022-02-10 23:46:10,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395832267] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:10,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:10,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:10,080 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293977161] [2022-02-10 23:46:10,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:10,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:10,080 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:10,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:10,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:10,081 INFO L87 Difference]: Start difference. First operand 1119 states and 2035 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:10,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:10,438 INFO L93 Difference]: Finished difference Result 1185 states and 2145 transitions. [2022-02-10 23:46:10,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:10,438 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:10,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:10,439 INFO L225 Difference]: With dead ends: 1185 [2022-02-10 23:46:10,439 INFO L226 Difference]: Without dead ends: 1185 [2022-02-10 23:46:10,439 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:10,440 INFO L934 BasicCegarLoop]: 113 mSDtfsCounter, 151 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:10,440 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 377 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:10,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-02-10 23:46:10,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1111. [2022-02-10 23:46:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1104 states have (on average 1.828804347826087) internal successors, (2019), 1110 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2019 transitions. [2022-02-10 23:46:10,448 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2019 transitions. Word has length 114 [2022-02-10 23:46:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:10,448 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2019 transitions. [2022-02-10 23:46:10,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2019 transitions. [2022-02-10 23:46:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:10,449 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:10,449 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:10,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-02-10 23:46:10,449 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash -445942300, now seen corresponding path program 27 times [2022-02-10 23:46:10,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:10,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456585553] [2022-02-10 23:46:10,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:10,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:11,087 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:11,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456585553] [2022-02-10 23:46:11,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456585553] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:11,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:11,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:11,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771736483] [2022-02-10 23:46:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:11,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:11,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:11,088 INFO L87 Difference]: Start difference. First operand 1111 states and 2019 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:11,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:11,527 INFO L93 Difference]: Finished difference Result 1173 states and 2117 transitions. [2022-02-10 23:46:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:11,527 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:11,529 INFO L225 Difference]: With dead ends: 1173 [2022-02-10 23:46:11,529 INFO L226 Difference]: Without dead ends: 1173 [2022-02-10 23:46:11,529 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:11,529 INFO L934 BasicCegarLoop]: 119 mSDtfsCounter, 157 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:11,529 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 415 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-02-10 23:46:11,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1110. [2022-02-10 23:46:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1103 states have (on average 1.829555757026292) internal successors, (2018), 1109 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:11,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2018 transitions. [2022-02-10 23:46:11,537 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2018 transitions. Word has length 114 [2022-02-10 23:46:11,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:11,538 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2018 transitions. [2022-02-10 23:46:11,538 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) [2022-02-10 23:46:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2018 transitions. [2022-02-10 23:46:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 23:46:11,539 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:11,539 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:11,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-02-10 23:46:11,539 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:11,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:11,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1180753314, now seen corresponding path program 28 times [2022-02-10 23:46:11,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:11,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120838802] [2022-02-10 23:46:11,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:11,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:12,118 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:12,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120838802] [2022-02-10 23:46:12,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120838802] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:12,118 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:12,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:12,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813236844] [2022-02-10 23:46:12,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:12,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:12,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:12,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:12,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:12,119 INFO L87 Difference]: Start difference. First operand 1110 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:12,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:12,434 INFO L93 Difference]: Finished difference Result 1168 states and 2111 transitions. [2022-02-10 23:46:12,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:12,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-10 23:46:12,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:12,436 INFO L225 Difference]: With dead ends: 1168 [2022-02-10 23:46:12,436 INFO L226 Difference]: Without dead ends: 1168 [2022-02-10 23:46:12,436 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:12,436 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 135 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:12,436 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 349 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-02-10 23:46:12,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1079. [2022-02-10 23:46:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1072 states have (on average 1.8320895522388059) internal successors, (1964), 1078 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1964 transitions. [2022-02-10 23:46:12,444 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1964 transitions. Word has length 114 [2022-02-10 23:46:12,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:12,445 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1964 transitions. [2022-02-10 23:46:12,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1964 transitions. [2022-02-10 23:46:12,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:12,445 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:12,446 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:12,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-02-10 23:46:12,446 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1303131048, now seen corresponding path program 1 times [2022-02-10 23:46:12,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:12,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345013837] [2022-02-10 23:46:12,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:12,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:12,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:12,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345013837] [2022-02-10 23:46:12,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345013837] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:12,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:12,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:12,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830847271] [2022-02-10 23:46:12,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:12,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:12,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:12,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:12,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:12,847 INFO L87 Difference]: Start difference. First operand 1079 states and 1964 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:13,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:13,390 INFO L93 Difference]: Finished difference Result 1765 states and 3226 transitions. [2022-02-10 23:46:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:46:13,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:13,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:13,392 INFO L225 Difference]: With dead ends: 1765 [2022-02-10 23:46:13,392 INFO L226 Difference]: Without dead ends: 1765 [2022-02-10 23:46:13,392 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:13,392 INFO L934 BasicCegarLoop]: 146 mSDtfsCounter, 245 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:13,392 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 664 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-02-10 23:46:13,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1146. [2022-02-10 23:46:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 1139 states have (on average 1.8419666374012291) internal successors, (2098), 1145 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 2098 transitions. [2022-02-10 23:46:13,403 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 2098 transitions. Word has length 115 [2022-02-10 23:46:13,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:13,403 INFO L470 AbstractCegarLoop]: Abstraction has 1146 states and 2098 transitions. [2022-02-10 23:46:13,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 2098 transitions. [2022-02-10 23:46:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:13,404 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:13,404 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:13,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-02-10 23:46:13,404 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:13,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:13,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971395, now seen corresponding path program 1 times [2022-02-10 23:46:13,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:13,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4352472] [2022-02-10 23:46:13,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:13,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:13,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:13,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4352472] [2022-02-10 23:46:13,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4352472] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:13,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:13,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 23:46:13,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946164791] [2022-02-10 23:46:13,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:13,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 23:46:13,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:13,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 23:46:13,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-10 23:46:13,528 INFO L87 Difference]: Start difference. First operand 1146 states and 2098 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:13,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:13,801 INFO L93 Difference]: Finished difference Result 1249 states and 2292 transitions. [2022-02-10 23:46:13,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 23:46:13,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:13,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:13,802 INFO L225 Difference]: With dead ends: 1249 [2022-02-10 23:46:13,802 INFO L226 Difference]: Without dead ends: 1249 [2022-02-10 23:46:13,802 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:13,803 INFO L934 BasicCegarLoop]: 104 mSDtfsCounter, 122 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:13,803 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 417 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:46:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-02-10 23:46:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1155. [2022-02-10 23:46:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1148 states have (on average 1.843205574912892) internal successors, (2116), 1154 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2116 transitions. [2022-02-10 23:46:13,812 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2116 transitions. Word has length 115 [2022-02-10 23:46:13,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:13,813 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2116 transitions. [2022-02-10 23:46:13,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2116 transitions. [2022-02-10 23:46:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:13,814 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:13,814 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:13,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-02-10 23:46:13,814 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:13,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:13,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1212048835, now seen corresponding path program 2 times [2022-02-10 23:46:13,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:13,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325662412] [2022-02-10 23:46:13,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:14,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:14,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325662412] [2022-02-10 23:46:14,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325662412] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:14,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:14,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:14,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659585753] [2022-02-10 23:46:14,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:14,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:14,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:14,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:14,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:14,007 INFO L87 Difference]: Start difference. First operand 1155 states and 2116 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:14,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:14,492 INFO L93 Difference]: Finished difference Result 1770 states and 3237 transitions. [2022-02-10 23:46:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:14,492 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:14,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:14,494 INFO L225 Difference]: With dead ends: 1770 [2022-02-10 23:46:14,494 INFO L226 Difference]: Without dead ends: 1770 [2022-02-10 23:46:14,494 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:46:14,495 INFO L934 BasicCegarLoop]: 124 mSDtfsCounter, 206 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:14,495 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 627 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2022-02-10 23:46:14,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1350. [2022-02-10 23:46:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1343 states have (on average 1.8659717051377513) internal successors, (2506), 1349 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2506 transitions. [2022-02-10 23:46:14,506 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2506 transitions. Word has length 115 [2022-02-10 23:46:14,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:14,507 INFO L470 AbstractCegarLoop]: Abstraction has 1350 states and 2506 transitions. [2022-02-10 23:46:14,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2506 transitions. [2022-02-10 23:46:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:14,508 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:14,508 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:14,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-02-10 23:46:14,508 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:14,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1212018145, now seen corresponding path program 3 times [2022-02-10 23:46:14,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:14,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21224817] [2022-02-10 23:46:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:14,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:14,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21224817] [2022-02-10 23:46:14,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21224817] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:14,829 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:14,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:14,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928470500] [2022-02-10 23:46:14,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:14,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:14,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:14,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:14,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:14,830 INFO L87 Difference]: Start difference. First operand 1350 states and 2506 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:15,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:15,299 INFO L93 Difference]: Finished difference Result 1738 states and 3174 transitions. [2022-02-10 23:46:15,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:15,307 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:15,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:15,310 INFO L225 Difference]: With dead ends: 1738 [2022-02-10 23:46:15,310 INFO L226 Difference]: Without dead ends: 1738 [2022-02-10 23:46:15,311 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:46:15,311 INFO L934 BasicCegarLoop]: 124 mSDtfsCounter, 220 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:15,311 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 500 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-02-10 23:46:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1359. [2022-02-10 23:46:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1352 states have (on average 1.8661242603550297) internal successors, (2523), 1358 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 2523 transitions. [2022-02-10 23:46:15,335 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 2523 transitions. Word has length 115 [2022-02-10 23:46:15,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:15,335 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 2523 transitions. [2022-02-10 23:46:15,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2523 transitions. [2022-02-10 23:46:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:15,337 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:15,337 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:15,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-02-10 23:46:15,337 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:15,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:15,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1949471993, now seen corresponding path program 4 times [2022-02-10 23:46:15,337 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:15,337 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977654576] [2022-02-10 23:46:15,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:15,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:15,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977654576] [2022-02-10 23:46:15,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977654576] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:15,691 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:15,691 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:15,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51871147] [2022-02-10 23:46:15,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:15,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:15,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:15,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:15,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:15,691 INFO L87 Difference]: Start difference. First operand 1359 states and 2523 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:16,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:16,129 INFO L93 Difference]: Finished difference Result 1700 states and 3099 transitions. [2022-02-10 23:46:16,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:16,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:16,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:16,132 INFO L225 Difference]: With dead ends: 1700 [2022-02-10 23:46:16,132 INFO L226 Difference]: Without dead ends: 1700 [2022-02-10 23:46:16,132 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:46:16,132 INFO L934 BasicCegarLoop]: 124 mSDtfsCounter, 205 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:16,132 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 502 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:16,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-02-10 23:46:16,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1374. [2022-02-10 23:46:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1367 states have (on average 1.8668617410387711) internal successors, (2552), 1373 states have internal predecessors, (2552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2552 transitions. [2022-02-10 23:46:16,150 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2552 transitions. Word has length 115 [2022-02-10 23:46:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:16,150 INFO L470 AbstractCegarLoop]: Abstraction has 1374 states and 2552 transitions. [2022-02-10 23:46:16,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2552 transitions. [2022-02-10 23:46:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:16,152 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:16,152 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:16,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-02-10 23:46:16,152 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:16,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash 494832927, now seen corresponding path program 5 times [2022-02-10 23:46:16,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:16,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399522795] [2022-02-10 23:46:16,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:16,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:16,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:16,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399522795] [2022-02-10 23:46:16,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399522795] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:16,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:16,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:16,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690612813] [2022-02-10 23:46:16,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:16,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:16,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:16,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:16,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:16,579 INFO L87 Difference]: Start difference. First operand 1374 states and 2552 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:17,115 INFO L93 Difference]: Finished difference Result 1689 states and 3079 transitions. [2022-02-10 23:46:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:17,116 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:17,118 INFO L225 Difference]: With dead ends: 1689 [2022-02-10 23:46:17,118 INFO L226 Difference]: Without dead ends: 1689 [2022-02-10 23:46:17,118 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:46:17,119 INFO L934 BasicCegarLoop]: 125 mSDtfsCounter, 193 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:17,119 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 575 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:17,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-02-10 23:46:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1386. [2022-02-10 23:46:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1379 states have (on average 1.8607686729514141) internal successors, (2566), 1385 states have internal predecessors, (2566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 2566 transitions. [2022-02-10 23:46:17,136 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 2566 transitions. Word has length 115 [2022-02-10 23:46:17,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:17,136 INFO L470 AbstractCegarLoop]: Abstraction has 1386 states and 2566 transitions. [2022-02-10 23:46:17,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 2566 transitions. [2022-02-10 23:46:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:17,140 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:17,140 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:17,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-02-10 23:46:17,140 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:17,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:17,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1341906476, now seen corresponding path program 1 times [2022-02-10 23:46:17,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:17,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423396088] [2022-02-10 23:46:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:17,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:17,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423396088] [2022-02-10 23:46:17,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423396088] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:17,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:17,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 23:46:17,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947645811] [2022-02-10 23:46:17,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:17,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 23:46:17,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:17,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 23:46:17,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-10 23:46:17,259 INFO L87 Difference]: Start difference. First operand 1386 states and 2566 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:17,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:17,485 INFO L93 Difference]: Finished difference Result 1459 states and 2702 transitions. [2022-02-10 23:46:17,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:17,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:17,487 INFO L225 Difference]: With dead ends: 1459 [2022-02-10 23:46:17,487 INFO L226 Difference]: Without dead ends: 1459 [2022-02-10 23:46:17,487 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:17,487 INFO L934 BasicCegarLoop]: 145 mSDtfsCounter, 137 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:17,487 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 473 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:46:17,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2022-02-10 23:46:17,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 1391. [2022-02-10 23:46:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1384 states have (on average 1.861271676300578) internal successors, (2576), 1390 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2576 transitions. [2022-02-10 23:46:17,511 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2576 transitions. Word has length 115 [2022-02-10 23:46:17,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:17,511 INFO L470 AbstractCegarLoop]: Abstraction has 1391 states and 2576 transitions. [2022-02-10 23:46:17,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2576 transitions. [2022-02-10 23:46:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:17,513 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:17,513 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:17,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-02-10 23:46:17,513 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1255449956, now seen corresponding path program 2 times [2022-02-10 23:46:17,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:17,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794185107] [2022-02-10 23:46:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:17,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:17,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:17,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794185107] [2022-02-10 23:46:17,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794185107] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:17,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:17,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:46:17,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603408167] [2022-02-10 23:46:17,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:17,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:46:17,928 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:17,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:46:17,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:17,928 INFO L87 Difference]: Start difference. First operand 1391 states and 2576 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:18,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:18,576 INFO L93 Difference]: Finished difference Result 2658 states and 4925 transitions. [2022-02-10 23:46:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 23:46:18,576 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:18,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:18,579 INFO L225 Difference]: With dead ends: 2658 [2022-02-10 23:46:18,579 INFO L226 Difference]: Without dead ends: 2658 [2022-02-10 23:46:18,579 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:18,579 INFO L934 BasicCegarLoop]: 149 mSDtfsCounter, 209 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:18,580 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 562 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:18,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2022-02-10 23:46:18,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 1788. [2022-02-10 23:46:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1788 states, 1781 states have (on average 1.8916339135317237) internal successors, (3369), 1787 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 3369 transitions. [2022-02-10 23:46:18,602 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 3369 transitions. Word has length 115 [2022-02-10 23:46:18,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:18,602 INFO L470 AbstractCegarLoop]: Abstraction has 1788 states and 3369 transitions. [2022-02-10 23:46:18,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3369 transitions. [2022-02-10 23:46:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:18,604 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:18,604 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:18,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-02-10 23:46:18,604 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:18,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:18,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1357951778, now seen corresponding path program 3 times [2022-02-10 23:46:18,605 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:18,605 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558485044] [2022-02-10 23:46:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:18,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:18,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558485044] [2022-02-10 23:46:18,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558485044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:18,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:18,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:18,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419525841] [2022-02-10 23:46:18,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:18,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:18,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:18,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:18,942 INFO L87 Difference]: Start difference. First operand 1788 states and 3369 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:19,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:19,405 INFO L93 Difference]: Finished difference Result 2123 states and 3939 transitions. [2022-02-10 23:46:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:19,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:19,407 INFO L225 Difference]: With dead ends: 2123 [2022-02-10 23:46:19,408 INFO L226 Difference]: Without dead ends: 2123 [2022-02-10 23:46:19,408 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:46:19,408 INFO L934 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, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:19,408 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 599 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:19,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-02-10 23:46:19,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1442. [2022-02-10 23:46:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.864808362369338) internal successors, (2676), 1441 states have internal predecessors, (2676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:19,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2676 transitions. [2022-02-10 23:46:19,420 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2676 transitions. Word has length 115 [2022-02-10 23:46:19,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:19,420 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2676 transitions. [2022-02-10 23:46:19,420 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) [2022-02-10 23:46:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2676 transitions. [2022-02-10 23:46:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:19,422 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:19,422 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:19,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-02-10 23:46:19,422 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:19,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:19,422 INFO L85 PathProgramCache]: Analyzing trace with hash -756561180, now seen corresponding path program 4 times [2022-02-10 23:46:19,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:19,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559595602] [2022-02-10 23:46:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:19,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:19,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:19,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559595602] [2022-02-10 23:46:19,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559595602] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:19,840 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:19,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:19,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140994855] [2022-02-10 23:46:19,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:19,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:19,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:19,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:19,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:19,841 INFO L87 Difference]: Start difference. First operand 1442 states and 2676 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:20,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:20,269 INFO L93 Difference]: Finished difference Result 1710 states and 3115 transitions. [2022-02-10 23:46:20,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:20,270 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 [2022-02-10 23:46:20,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:20,272 INFO L225 Difference]: With dead ends: 1710 [2022-02-10 23:46:20,272 INFO L226 Difference]: Without dead ends: 1710 [2022-02-10 23:46:20,272 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:46:20,272 INFO L934 BasicCegarLoop]: 137 mSDtfsCounter, 236 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:20,272 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 454 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:20,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-02-10 23:46:20,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1456. [2022-02-10 23:46:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1449 states have (on average 1.8564527260179433) internal successors, (2690), 1455 states have internal predecessors, (2690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2690 transitions. [2022-02-10 23:46:20,284 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2690 transitions. Word has length 115 [2022-02-10 23:46:20,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:20,284 INFO L470 AbstractCegarLoop]: Abstraction has 1456 states and 2690 transitions. [2022-02-10 23:46:20,284 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) [2022-02-10 23:46:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2690 transitions. [2022-02-10 23:46:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:20,285 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:20,285 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:20,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-02-10 23:46:20,285 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:20,285 INFO L85 PathProgramCache]: Analyzing trace with hash -620045404, now seen corresponding path program 5 times [2022-02-10 23:46:20,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:20,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197640508] [2022-02-10 23:46:20,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:20,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:20,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:20,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197640508] [2022-02-10 23:46:20,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197640508] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:20,510 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:20,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:20,510 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701974827] [2022-02-10 23:46:20,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:20,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:20,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:20,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:20,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:20,511 INFO L87 Difference]: Start difference. First operand 1456 states and 2690 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:21,209 INFO L93 Difference]: Finished difference Result 1734 states and 3179 transitions. [2022-02-10 23:46:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 23:46:21,210 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:21,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:21,211 INFO L225 Difference]: With dead ends: 1734 [2022-02-10 23:46:21,212 INFO L226 Difference]: Without dead ends: 1734 [2022-02-10 23:46:21,212 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-02-10 23:46:21,212 INFO L934 BasicCegarLoop]: 183 mSDtfsCounter, 285 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:21,212 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 687 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:21,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-02-10 23:46:21,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1458. [2022-02-10 23:46:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1451 states have (on average 1.8566505858028945) internal successors, (2694), 1457 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2694 transitions. [2022-02-10 23:46:21,224 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2694 transitions. Word has length 115 [2022-02-10 23:46:21,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:21,224 INFO L470 AbstractCegarLoop]: Abstraction has 1458 states and 2694 transitions. [2022-02-10 23:46:21,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2694 transitions. [2022-02-10 23:46:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:21,225 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:21,226 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:21,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-02-10 23:46:21,226 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:21,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:21,226 INFO L85 PathProgramCache]: Analyzing trace with hash -706501924, now seen corresponding path program 6 times [2022-02-10 23:46:21,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:21,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807394895] [2022-02-10 23:46:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:21,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:21,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807394895] [2022-02-10 23:46:21,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807394895] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:21,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:21,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:21,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181541588] [2022-02-10 23:46:21,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:21,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:21,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:21,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:21,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:21,595 INFO L87 Difference]: Start difference. First operand 1458 states and 2694 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:21,990 INFO L93 Difference]: Finished difference Result 1738 states and 3176 transitions. [2022-02-10 23:46:21,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:21,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:21,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:21,992 INFO L225 Difference]: With dead ends: 1738 [2022-02-10 23:46:21,992 INFO L226 Difference]: Without dead ends: 1738 [2022-02-10 23:46:21,992 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:21,992 INFO L934 BasicCegarLoop]: 126 mSDtfsCounter, 164 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:21,993 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 410 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:21,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-02-10 23:46:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1474. [2022-02-10 23:46:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1467 states have (on average 1.858214042263122) internal successors, (2726), 1473 states have internal predecessors, (2726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:22,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2726 transitions. [2022-02-10 23:46:22,005 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2726 transitions. Word has length 115 [2022-02-10 23:46:22,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:22,005 INFO L470 AbstractCegarLoop]: Abstraction has 1474 states and 2726 transitions. [2022-02-10 23:46:22,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2726 transitions. [2022-02-10 23:46:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:22,006 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:22,006 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:22,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-02-10 23:46:22,006 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:22,006 INFO L85 PathProgramCache]: Analyzing trace with hash 936941442, now seen corresponding path program 7 times [2022-02-10 23:46:22,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:22,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637044624] [2022-02-10 23:46:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:22,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:22,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:22,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637044624] [2022-02-10 23:46:22,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637044624] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:22,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:22,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:22,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4442830] [2022-02-10 23:46:22,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:22,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:22,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:22,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:22,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:22,420 INFO L87 Difference]: Start difference. First operand 1474 states and 2726 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:22,956 INFO L93 Difference]: Finished difference Result 1731 states and 3163 transitions. [2022-02-10 23:46:22,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:22,956 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:22,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:22,958 INFO L225 Difference]: With dead ends: 1731 [2022-02-10 23:46:22,958 INFO L226 Difference]: Without dead ends: 1731 [2022-02-10 23:46:22,959 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:22,959 INFO L934 BasicCegarLoop]: 126 mSDtfsCounter, 155 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:22,959 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 646 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:22,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2022-02-10 23:46:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1477. [2022-02-10 23:46:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1470 states have (on average 1.8585034013605441) internal successors, (2732), 1476 states have internal predecessors, (2732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2732 transitions. [2022-02-10 23:46:22,971 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2732 transitions. Word has length 115 [2022-02-10 23:46:22,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:22,971 INFO L470 AbstractCegarLoop]: Abstraction has 1477 states and 2732 transitions. [2022-02-10 23:46:22,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2732 transitions. [2022-02-10 23:46:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:22,973 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:22,973 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:22,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-02-10 23:46:22,973 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:22,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:22,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1231552126, now seen corresponding path program 8 times [2022-02-10 23:46:22,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:22,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951275721] [2022-02-10 23:46:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:23,453 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:23,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951275721] [2022-02-10 23:46:23,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951275721] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:23,453 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:23,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:23,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741709852] [2022-02-10 23:46:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:23,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:23,454 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:23,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:23,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:23,454 INFO L87 Difference]: Start difference. First operand 1477 states and 2732 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:23,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:23,949 INFO L93 Difference]: Finished difference Result 1725 states and 3153 transitions. [2022-02-10 23:46:23,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:23,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:23,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:23,952 INFO L225 Difference]: With dead ends: 1725 [2022-02-10 23:46:23,952 INFO L226 Difference]: Without dead ends: 1725 [2022-02-10 23:46:23,952 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:23,952 INFO L934 BasicCegarLoop]: 126 mSDtfsCounter, 153 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:23,953 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 543 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:23,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2022-02-10 23:46:23,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1459. [2022-02-10 23:46:23,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1452 states have (on average 1.856749311294766) internal successors, (2696), 1458 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 2696 transitions. [2022-02-10 23:46:23,966 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 2696 transitions. Word has length 115 [2022-02-10 23:46:23,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:23,966 INFO L470 AbstractCegarLoop]: Abstraction has 1459 states and 2696 transitions. [2022-02-10 23:46:23,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:23,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2696 transitions. [2022-02-10 23:46:23,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:23,967 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:23,967 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:23,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-02-10 23:46:23,967 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:23,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash 600982884, now seen corresponding path program 9 times [2022-02-10 23:46:23,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:23,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279187387] [2022-02-10 23:46:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:23,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:24,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:24,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279187387] [2022-02-10 23:46:24,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279187387] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:24,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:24,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:24,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245242415] [2022-02-10 23:46:24,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:24,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:24,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:24,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:24,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:24,577 INFO L87 Difference]: Start difference. First operand 1459 states and 2696 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:25,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:25,053 INFO L93 Difference]: Finished difference Result 1704 states and 3114 transitions. [2022-02-10 23:46:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:25,053 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:25,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:25,055 INFO L225 Difference]: With dead ends: 1704 [2022-02-10 23:46:25,055 INFO L226 Difference]: Without dead ends: 1704 [2022-02-10 23:46:25,055 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:25,056 INFO L934 BasicCegarLoop]: 128 mSDtfsCounter, 170 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:25,056 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 422 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:25,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2022-02-10 23:46:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1460. [2022-02-10 23:46:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1453 states have (on average 1.8568479008947005) internal successors, (2698), 1459 states have internal predecessors, (2698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2698 transitions. [2022-02-10 23:46:25,067 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2698 transitions. Word has length 115 [2022-02-10 23:46:25,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:25,068 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 2698 transitions. [2022-02-10 23:46:25,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2698 transitions. [2022-02-10 23:46:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:25,069 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:25,069 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:25,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-02-10 23:46:25,069 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:25,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1402755940, now seen corresponding path program 10 times [2022-02-10 23:46:25,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:25,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503950703] [2022-02-10 23:46:25,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:25,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:25,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:25,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503950703] [2022-02-10 23:46:25,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503950703] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:25,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:25,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:25,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598977781] [2022-02-10 23:46:25,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:25,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:25,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:25,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:25,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:25,793 INFO L87 Difference]: Start difference. First operand 1460 states and 2698 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:26,356 INFO L93 Difference]: Finished difference Result 1686 states and 3078 transitions. [2022-02-10 23:46:26,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:26,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:26,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:26,358 INFO L225 Difference]: With dead ends: 1686 [2022-02-10 23:46:26,358 INFO L226 Difference]: Without dead ends: 1686 [2022-02-10 23:46:26,358 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:26,358 INFO L934 BasicCegarLoop]: 132 mSDtfsCounter, 179 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:26,358 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 505 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-02-10 23:46:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1462. [2022-02-10 23:46:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8563573883161513) internal successors, (2701), 1461 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-02-10 23:46:26,371 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-02-10 23:46:26,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:26,371 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-02-10 23:46:26,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-02-10 23:46:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:26,372 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:26,373 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:26,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-02-10 23:46:26,373 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash 290712422, now seen corresponding path program 11 times [2022-02-10 23:46:26,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:26,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427626081] [2022-02-10 23:46:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:26,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:27,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:27,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427626081] [2022-02-10 23:46:27,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427626081] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:27,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:27,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:27,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585884861] [2022-02-10 23:46:27,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:27,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:27,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:27,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:27,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:27,495 INFO L87 Difference]: Start difference. First operand 1462 states and 2701 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:29,037 INFO L93 Difference]: Finished difference Result 2174 states and 3983 transitions. [2022-02-10 23:46:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 23:46:29,037 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:29,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:29,040 INFO L225 Difference]: With dead ends: 2174 [2022-02-10 23:46:29,040 INFO L226 Difference]: Without dead ends: 2174 [2022-02-10 23:46:29,040 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 23:46:29,040 INFO L934 BasicCegarLoop]: 135 mSDtfsCounter, 735 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:29,040 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [735 Valid, 895 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 23:46:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2022-02-10 23:46:29,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 1467. [2022-02-10 23:46:29,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1460 states have (on average 1.856849315068493) internal successors, (2711), 1466 states have internal predecessors, (2711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2711 transitions. [2022-02-10 23:46:29,053 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2711 transitions. Word has length 115 [2022-02-10 23:46:29,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:29,053 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 2711 transitions. [2022-02-10 23:46:29,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:29,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2711 transitions. [2022-02-10 23:46:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:29,054 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:29,054 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:29,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-02-10 23:46:29,055 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:29,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:29,055 INFO L85 PathProgramCache]: Analyzing trace with hash 2030768574, now seen corresponding path program 12 times [2022-02-10 23:46:29,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:29,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419977053] [2022-02-10 23:46:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:29,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:29,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:29,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419977053] [2022-02-10 23:46:29,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419977053] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:29,776 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:29,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:29,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477591103] [2022-02-10 23:46:29,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:29,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:29,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:29,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:29,777 INFO L87 Difference]: Start difference. First operand 1467 states and 2711 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:30,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:30,354 INFO L93 Difference]: Finished difference Result 1708 states and 3113 transitions. [2022-02-10 23:46:30,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:46:30,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:30,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:30,356 INFO L225 Difference]: With dead ends: 1708 [2022-02-10 23:46:30,356 INFO L226 Difference]: Without dead ends: 1708 [2022-02-10 23:46:30,356 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:30,357 INFO L934 BasicCegarLoop]: 130 mSDtfsCounter, 160 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:30,357 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 555 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:30,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2022-02-10 23:46:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1462. [2022-02-10 23:46:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8563573883161513) internal successors, (2701), 1461 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:30,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-02-10 23:46:30,368 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-02-10 23:46:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:30,368 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-02-10 23:46:30,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-02-10 23:46:30,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:30,369 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:30,369 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:30,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-02-10 23:46:30,370 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:30,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash 182468356, now seen corresponding path program 13 times [2022-02-10 23:46:30,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:30,370 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974538654] [2022-02-10 23:46:30,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:30,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:30,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:30,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974538654] [2022-02-10 23:46:30,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974538654] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:30,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:30,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:30,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314978235] [2022-02-10 23:46:30,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:30,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:30,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:30,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:30,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:30,680 INFO L87 Difference]: Start difference. First operand 1462 states and 2701 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:31,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:31,006 INFO L93 Difference]: Finished difference Result 1588 states and 2917 transitions. [2022-02-10 23:46:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:31,006 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:31,008 INFO L225 Difference]: With dead ends: 1588 [2022-02-10 23:46:31,008 INFO L226 Difference]: Without dead ends: 1588 [2022-02-10 23:46:31,008 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:46:31,008 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 114 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:31,008 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 443 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:46:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2022-02-10 23:46:31,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1466. [2022-02-10 23:46:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1459 states have (on average 1.8567511994516792) internal successors, (2709), 1465 states have internal predecessors, (2709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2709 transitions. [2022-02-10 23:46:31,023 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2709 transitions. Word has length 115 [2022-02-10 23:46:31,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:31,024 INFO L470 AbstractCegarLoop]: Abstraction has 1466 states and 2709 transitions. [2022-02-10 23:46:31,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2709 transitions. [2022-02-10 23:46:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:31,025 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:31,025 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:31,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-02-10 23:46:31,026 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:31,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:31,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1825911722, now seen corresponding path program 14 times [2022-02-10 23:46:31,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:31,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365760968] [2022-02-10 23:46:31,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:31,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:31,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:31,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365760968] [2022-02-10 23:46:31,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365760968] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:31,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:31,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:31,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671666565] [2022-02-10 23:46:31,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:31,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:31,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:31,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:31,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:31,383 INFO L87 Difference]: Start difference. First operand 1466 states and 2709 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:31,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:31,755 INFO L93 Difference]: Finished difference Result 1581 states and 2904 transitions. [2022-02-10 23:46:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:31,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:31,757 INFO L225 Difference]: With dead ends: 1581 [2022-02-10 23:46:31,757 INFO L226 Difference]: Without dead ends: 1581 [2022-02-10 23:46:31,757 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:46:31,757 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 109 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:31,758 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 529 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:46:31,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-02-10 23:46:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1469. [2022-02-10 23:46:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1462 states have (on average 1.8570451436388509) internal successors, (2715), 1468 states have internal predecessors, (2715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2715 transitions. [2022-02-10 23:46:31,769 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2715 transitions. Word has length 115 [2022-02-10 23:46:31,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:31,769 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2715 transitions. [2022-02-10 23:46:31,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2715 transitions. [2022-02-10 23:46:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:31,770 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:31,770 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:31,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-02-10 23:46:31,771 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:31,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:31,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2120522406, now seen corresponding path program 15 times [2022-02-10 23:46:31,771 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:31,771 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104185030] [2022-02-10 23:46:31,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:31,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:32,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:32,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104185030] [2022-02-10 23:46:32,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104185030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:32,171 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:32,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:32,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189398552] [2022-02-10 23:46:32,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:32,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:32,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:32,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:32,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:32,172 INFO L87 Difference]: Start difference. First operand 1469 states and 2715 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:32,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:32,576 INFO L93 Difference]: Finished difference Result 1575 states and 2894 transitions. [2022-02-10 23:46:32,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:32,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:32,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:32,578 INFO L225 Difference]: With dead ends: 1575 [2022-02-10 23:46:32,578 INFO L226 Difference]: Without dead ends: 1575 [2022-02-10 23:46:32,579 INFO L933 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 [2022-02-10 23:46:32,579 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 93 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:32,579 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 590 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2022-02-10 23:46:32,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1451. [2022-02-10 23:46:32,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1444 states have (on average 1.855263157894737) internal successors, (2679), 1450 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2679 transitions. [2022-02-10 23:46:32,590 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2679 transitions. Word has length 115 [2022-02-10 23:46:32,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:32,602 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2679 transitions. [2022-02-10 23:46:32,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:32,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2679 transitions. [2022-02-10 23:46:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:32,603 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:32,603 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:32,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-02-10 23:46:32,604 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:32,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:32,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1489953164, now seen corresponding path program 16 times [2022-02-10 23:46:32,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:32,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528902641] [2022-02-10 23:46:32,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:32,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:33,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:33,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528902641] [2022-02-10 23:46:33,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528902641] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:33,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:33,194 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:33,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809309502] [2022-02-10 23:46:33,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:33,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:33,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:33,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:33,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:33,195 INFO L87 Difference]: Start difference. First operand 1451 states and 2679 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:34,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:34,304 INFO L93 Difference]: Finished difference Result 1794 states and 3284 transitions. [2022-02-10 23:46:34,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-10 23:46:34,305 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:34,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:34,307 INFO L225 Difference]: With dead ends: 1794 [2022-02-10 23:46:34,307 INFO L226 Difference]: Without dead ends: 1794 [2022-02-10 23:46:34,307 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2022-02-10 23:46:34,307 INFO L934 BasicCegarLoop]: 186 mSDtfsCounter, 656 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:34,307 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [656 Valid, 1374 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:46:34,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-02-10 23:46:34,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1452. [2022-02-10 23:46:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1445 states have (on average 1.855363321799308) internal successors, (2681), 1451 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2681 transitions. [2022-02-10 23:46:34,319 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2681 transitions. Word has length 115 [2022-02-10 23:46:34,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:34,319 INFO L470 AbstractCegarLoop]: Abstraction has 1452 states and 2681 transitions. [2022-02-10 23:46:34,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2681 transitions. [2022-02-10 23:46:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:34,320 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:34,320 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:34,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-02-10 23:46:34,321 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:34,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:34,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2003241076, now seen corresponding path program 17 times [2022-02-10 23:46:34,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:34,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838908923] [2022-02-10 23:46:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:34,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:34,954 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:34,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838908923] [2022-02-10 23:46:34,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838908923] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:34,954 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:34,954 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:34,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930383973] [2022-02-10 23:46:34,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:34,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:34,955 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:34,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:34,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:34,955 INFO L87 Difference]: Start difference. First operand 1452 states and 2681 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:35,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:35,567 INFO L93 Difference]: Finished difference Result 1603 states and 2934 transitions. [2022-02-10 23:46:35,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:46:35,567 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:35,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:35,569 INFO L225 Difference]: With dead ends: 1603 [2022-02-10 23:46:35,569 INFO L226 Difference]: Without dead ends: 1603 [2022-02-10 23:46:35,569 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-10 23:46:35,570 INFO L934 BasicCegarLoop]: 147 mSDtfsCounter, 106 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:35,570 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 545 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-02-10 23:46:35,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1453. [2022-02-10 23:46:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1446 states have (on average 1.855463347164592) internal successors, (2683), 1452 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2683 transitions. [2022-02-10 23:46:35,581 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2683 transitions. Word has length 115 [2022-02-10 23:46:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:35,581 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 2683 transitions. [2022-02-10 23:46:35,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2683 transitions. [2022-02-10 23:46:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:35,582 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:35,582 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:35,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-02-10 23:46:35,582 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:35,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:35,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1179682702, now seen corresponding path program 18 times [2022-02-10 23:46:35,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:35,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926550718] [2022-02-10 23:46:35,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:35,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:36,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:36,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926550718] [2022-02-10 23:46:36,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926550718] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:36,364 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:36,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:36,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856873489] [2022-02-10 23:46:36,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:36,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:36,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:36,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:36,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:36,364 INFO L87 Difference]: Start difference. First operand 1453 states and 2683 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:37,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:37,405 INFO L93 Difference]: Finished difference Result 1775 states and 3246 transitions. [2022-02-10 23:46:37,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-10 23:46:37,405 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:37,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:37,407 INFO L225 Difference]: With dead ends: 1775 [2022-02-10 23:46:37,407 INFO L226 Difference]: Without dead ends: 1775 [2022-02-10 23:46:37,407 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2022-02-10 23:46:37,408 INFO L934 BasicCegarLoop]: 186 mSDtfsCounter, 627 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:37,408 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 1094 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:46:37,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-02-10 23:46:37,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1450. [2022-02-10 23:46:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1443 states have (on average 1.8551628551628552) internal successors, (2677), 1449 states have internal predecessors, (2677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2677 transitions. [2022-02-10 23:46:37,420 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2677 transitions. Word has length 115 [2022-02-10 23:46:37,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:37,420 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 2677 transitions. [2022-02-10 23:46:37,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2677 transitions. [2022-02-10 23:46:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:37,421 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:37,421 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:37,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-02-10 23:46:37,421 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 2131155892, now seen corresponding path program 19 times [2022-02-10 23:46:37,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:37,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603543290] [2022-02-10 23:46:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:37,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:37,961 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:37,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603543290] [2022-02-10 23:46:37,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603543290] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:37,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:37,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:37,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255130328] [2022-02-10 23:46:37,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:37,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:37,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:37,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:37,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:37,962 INFO L87 Difference]: Start difference. First operand 1450 states and 2677 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:38,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:38,923 INFO L93 Difference]: Finished difference Result 1726 states and 3167 transitions. [2022-02-10 23:46:38,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:46:38,923 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:38,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:38,925 INFO L225 Difference]: With dead ends: 1726 [2022-02-10 23:46:38,925 INFO L226 Difference]: Without dead ends: 1726 [2022-02-10 23:46:38,925 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2022-02-10 23:46:38,925 INFO L934 BasicCegarLoop]: 196 mSDtfsCounter, 646 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:38,925 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1391 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:46:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-02-10 23:46:38,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1441. [2022-02-10 23:46:38,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8542538354253835) internal successors, (2659), 1440 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-02-10 23:46:38,937 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-02-10 23:46:38,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:38,937 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-02-10 23:46:38,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-02-10 23:46:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:38,938 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:38,938 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:38,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-02-10 23:46:38,938 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:38,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:38,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1362038348, now seen corresponding path program 20 times [2022-02-10 23:46:38,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:38,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012662209] [2022-02-10 23:46:38,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:38,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:39,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:39,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012662209] [2022-02-10 23:46:39,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012662209] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:39,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:39,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:39,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332274869] [2022-02-10 23:46:39,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:39,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:39,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:39,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:39,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:39,516 INFO L87 Difference]: Start difference. First operand 1441 states and 2659 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:40,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:40,049 INFO L93 Difference]: Finished difference Result 1583 states and 2894 transitions. [2022-02-10 23:46:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:46:40,049 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:40,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:40,051 INFO L225 Difference]: With dead ends: 1583 [2022-02-10 23:46:40,051 INFO L226 Difference]: Without dead ends: 1583 [2022-02-10 23:46:40,051 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:46:40,051 INFO L934 BasicCegarLoop]: 161 mSDtfsCounter, 122 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:40,051 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 562 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:40,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-02-10 23:46:40,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1442. [2022-02-10 23:46:40,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.854355400696864) internal successors, (2661), 1441 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:40,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2661 transitions. [2022-02-10 23:46:40,062 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2661 transitions. Word has length 115 [2022-02-10 23:46:40,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:40,062 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2661 transitions. [2022-02-10 23:46:40,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:40,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2661 transitions. [2022-02-10 23:46:40,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:40,063 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:40,064 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:40,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-02-10 23:46:40,064 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:40,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:40,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1820885430, now seen corresponding path program 21 times [2022-02-10 23:46:40,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:40,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109062599] [2022-02-10 23:46:40,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:40,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:40,716 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:40,716 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109062599] [2022-02-10 23:46:40,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109062599] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:40,716 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:40,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:40,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031812648] [2022-02-10 23:46:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:40,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:40,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:40,717 INFO L87 Difference]: Start difference. First operand 1442 states and 2661 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:41,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:41,861 INFO L93 Difference]: Finished difference Result 1755 states and 3206 transitions. [2022-02-10 23:46:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-10 23:46:41,861 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:41,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:41,863 INFO L225 Difference]: With dead ends: 1755 [2022-02-10 23:46:41,863 INFO L226 Difference]: Without dead ends: 1755 [2022-02-10 23:46:41,863 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2022-02-10 23:46:41,863 INFO L934 BasicCegarLoop]: 200 mSDtfsCounter, 664 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:41,863 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [664 Valid, 1558 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:46:41,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-02-10 23:46:41,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1440. [2022-02-10 23:46:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:41,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-02-10 23:46:41,875 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-02-10 23:46:41,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:41,875 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-02-10 23:46:41,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:41,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-02-10 23:46:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:41,877 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:41,877 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:41,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-02-10 23:46:41,877 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:41,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2088934690, now seen corresponding path program 22 times [2022-02-10 23:46:41,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:41,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808792579] [2022-02-10 23:46:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:41,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:42,310 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:42,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808792579] [2022-02-10 23:46:42,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808792579] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:42,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:42,310 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:42,310 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509090052] [2022-02-10 23:46:42,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:42,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:42,310 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:42,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:42,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:42,311 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:42,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:42,670 INFO L93 Difference]: Finished difference Result 1514 states and 2784 transitions. [2022-02-10 23:46:42,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:46:42,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:42,672 INFO L225 Difference]: With dead ends: 1514 [2022-02-10 23:46:42,672 INFO L226 Difference]: Without dead ends: 1514 [2022-02-10 23:46:42,672 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:46:42,672 INFO L934 BasicCegarLoop]: 185 mSDtfsCounter, 164 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:42,673 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 634 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:42,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-02-10 23:46:42,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1440. [2022-02-10 23:46:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-02-10 23:46:42,685 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-02-10 23:46:42,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:42,685 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-02-10 23:46:42,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-02-10 23:46:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:42,686 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:42,686 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:42,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-02-10 23:46:42,687 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:42,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:42,687 INFO L85 PathProgramCache]: Analyzing trace with hash 49289922, now seen corresponding path program 23 times [2022-02-10 23:46:42,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:42,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875565280] [2022-02-10 23:46:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:42,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:43,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:43,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875565280] [2022-02-10 23:46:43,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875565280] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:43,299 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:43,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:43,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617982812] [2022-02-10 23:46:43,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:43,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:43,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:43,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:43,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:43,300 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:44,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:44,513 INFO L93 Difference]: Finished difference Result 1717 states and 3139 transitions. [2022-02-10 23:46:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-10 23:46:44,514 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:44,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:44,516 INFO L225 Difference]: With dead ends: 1717 [2022-02-10 23:46:44,516 INFO L226 Difference]: Without dead ends: 1717 [2022-02-10 23:46:44,516 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2022-02-10 23:46:44,516 INFO L934 BasicCegarLoop]: 228 mSDtfsCounter, 761 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:44,516 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 1494 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 23:46:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-02-10 23:46:44,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1441. [2022-02-10 23:46:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8542538354253835) internal successors, (2659), 1440 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-02-10 23:46:44,528 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-02-10 23:46:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:44,528 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-02-10 23:46:44,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-02-10 23:46:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:44,529 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:44,529 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:44,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-02-10 23:46:44,529 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:44,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:44,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1062753596, now seen corresponding path program 24 times [2022-02-10 23:46:44,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:44,530 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846413693] [2022-02-10 23:46:44,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:44,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:45,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:45,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846413693] [2022-02-10 23:46:45,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846413693] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:45,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:45,133 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:45,133 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634796203] [2022-02-10 23:46:45,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:45,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:45,134 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:45,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:45,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:45,134 INFO L87 Difference]: Start difference. First operand 1441 states and 2659 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:46,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:46,178 INFO L93 Difference]: Finished difference Result 1706 states and 3127 transitions. [2022-02-10 23:46:46,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-10 23:46:46,179 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:46,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:46,181 INFO L225 Difference]: With dead ends: 1706 [2022-02-10 23:46:46,181 INFO L226 Difference]: Without dead ends: 1706 [2022-02-10 23:46:46,181 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=1144, Unknown=0, NotChecked=0, Total=1482 [2022-02-10 23:46:46,181 INFO L934 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 [2022-02-10 23:46:46,181 INFO L935 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] [2022-02-10 23:46:46,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-02-10 23:46:46,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1440. [2022-02-10 23:46:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-02-10 23:46:46,193 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-02-10 23:46:46,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:46,193 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-02-10 23:46:46,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:46,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-02-10 23:46:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:46,194 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:46,195 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:46,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-02-10 23:46:46,195 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:46,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:46,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1384961470, now seen corresponding path program 2 times [2022-02-10 23:46:46,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:46,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378661193] [2022-02-10 23:46:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:46,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:46,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:46,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378661193] [2022-02-10 23:46:46,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378661193] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:46,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:46,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:46,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763132428] [2022-02-10 23:46:46,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:46,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:46,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:46,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:46,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:46,637 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:47,088 INFO L93 Difference]: Finished difference Result 1694 states and 3084 transitions. [2022-02-10 23:46:47,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:46:47,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:47,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:47,090 INFO L225 Difference]: With dead ends: 1694 [2022-02-10 23:46:47,090 INFO L226 Difference]: Without dead ends: 1694 [2022-02-10 23:46:47,090 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:46:47,090 INFO L934 BasicCegarLoop]: 135 mSDtfsCounter, 240 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:47,090 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 456 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-02-10 23:46:47,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1416. [2022-02-10 23:46:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1409 states have (on average 1.85166784953868) internal successors, (2609), 1415 states have internal predecessors, (2609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2609 transitions. [2022-02-10 23:46:47,103 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2609 transitions. Word has length 115 [2022-02-10 23:46:47,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:47,103 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2609 transitions. [2022-02-10 23:46:47,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2609 transitions. [2022-02-10 23:46:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:47,104 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:47,104 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:47,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-02-10 23:46:47,105 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:47,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1293879257, now seen corresponding path program 6 times [2022-02-10 23:46:47,105 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:47,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204964488] [2022-02-10 23:46:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:47,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:47,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:47,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204964488] [2022-02-10 23:46:47,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204964488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:47,320 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:47,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:47,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316811751] [2022-02-10 23:46:47,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:47,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:47,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:47,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:47,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:47,321 INFO L87 Difference]: Start difference. First operand 1416 states and 2609 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:47,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:47,689 INFO L93 Difference]: Finished difference Result 1754 states and 3199 transitions. [2022-02-10 23:46:47,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:47,690 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:47,691 INFO L225 Difference]: With dead ends: 1754 [2022-02-10 23:46:47,691 INFO L226 Difference]: Without dead ends: 1754 [2022-02-10 23:46:47,692 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:46:47,692 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 243 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:47,692 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 366 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2022-02-10 23:46:47,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1417. [2022-02-10 23:46:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1410 states have (on average 1.8517730496453901) internal successors, (2611), 1416 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2611 transitions. [2022-02-10 23:46:47,715 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2611 transitions. Word has length 115 [2022-02-10 23:46:47,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:47,715 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2611 transitions. [2022-02-10 23:46:47,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2611 transitions. [2022-02-10 23:46:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:47,716 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:47,716 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:47,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-02-10 23:46:47,717 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:47,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1293848567, now seen corresponding path program 7 times [2022-02-10 23:46:47,717 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:47,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766540800] [2022-02-10 23:46:47,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:47,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:47,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:47,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766540800] [2022-02-10 23:46:47,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766540800] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:47,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:47,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:47,997 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355893150] [2022-02-10 23:46:47,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:47,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:47,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:47,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:47,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:47,998 INFO L87 Difference]: Start difference. First operand 1417 states and 2611 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:48,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:48,452 INFO L93 Difference]: Finished difference Result 1726 states and 3144 transitions. [2022-02-10 23:46:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:48,452 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:48,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:48,454 INFO L225 Difference]: With dead ends: 1726 [2022-02-10 23:46:48,454 INFO L226 Difference]: Without dead ends: 1726 [2022-02-10 23:46:48,454 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:46:48,454 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 194 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:48,454 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 513 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:48,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-02-10 23:46:48,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1407. [2022-02-10 23:46:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8507142857142858) internal successors, (2591), 1406 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2591 transitions. [2022-02-10 23:46:48,466 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2591 transitions. Word has length 115 [2022-02-10 23:46:48,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:48,466 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2591 transitions. [2022-02-10 23:46:48,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2591 transitions. [2022-02-10 23:46:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:48,468 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:48,468 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:48,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-02-10 23:46:48,468 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:48,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:48,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1867641571, now seen corresponding path program 8 times [2022-02-10 23:46:48,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:48,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492480092] [2022-02-10 23:46:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:48,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:48,835 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:48,835 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492480092] [2022-02-10 23:46:48,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492480092] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:48,835 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:48,835 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:48,835 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089593624] [2022-02-10 23:46:48,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:48,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:48,836 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:48,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:48,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:48,836 INFO L87 Difference]: Start difference. First operand 1407 states and 2591 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:49,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:49,291 INFO L93 Difference]: Finished difference Result 1689 states and 3071 transitions. [2022-02-10 23:46:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:49,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:49,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:49,293 INFO L225 Difference]: With dead ends: 1689 [2022-02-10 23:46:49,293 INFO L226 Difference]: Without dead ends: 1689 [2022-02-10 23:46:49,293 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:46:49,293 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 227 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:49,293 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 466 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:49,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-02-10 23:46:49,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1394. [2022-02-10 23:46:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1387 states have (on average 1.8493150684931507) internal successors, (2565), 1393 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2565 transitions. [2022-02-10 23:46:49,310 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2565 transitions. Word has length 115 [2022-02-10 23:46:49,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:49,310 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 2565 transitions. [2022-02-10 23:46:49,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2565 transitions. [2022-02-10 23:46:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:49,311 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:49,312 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:49,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-02-10 23:46:49,312 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:49,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:49,312 INFO L85 PathProgramCache]: Analyzing trace with hash 413002505, now seen corresponding path program 9 times [2022-02-10 23:46:49,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:49,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510406310] [2022-02-10 23:46:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:49,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:49,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:49,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510406310] [2022-02-10 23:46:49,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510406310] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:49,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:49,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:49,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658851836] [2022-02-10 23:46:49,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:49,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:49,803 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:49,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:49,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:49,803 INFO L87 Difference]: Start difference. First operand 1394 states and 2565 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:50,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:50,249 INFO L93 Difference]: Finished difference Result 1675 states and 3045 transitions. [2022-02-10 23:46:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:50,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:50,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:50,251 INFO L225 Difference]: With dead ends: 1675 [2022-02-10 23:46:50,252 INFO L226 Difference]: Without dead ends: 1675 [2022-02-10 23:46:50,252 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:46:50,252 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 203 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:50,252 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 417 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:50,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-02-10 23:46:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1377. [2022-02-10 23:46:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1370 states have (on average 1.8518248175182481) internal successors, (2537), 1376 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 2537 transitions. [2022-02-10 23:46:50,263 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 2537 transitions. Word has length 115 [2022-02-10 23:46:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:50,263 INFO L470 AbstractCegarLoop]: Abstraction has 1377 states and 2537 transitions. [2022-02-10 23:46:50,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2537 transitions. [2022-02-10 23:46:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:50,264 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:50,265 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:50,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-02-10 23:46:50,265 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1173619534, now seen corresponding path program 25 times [2022-02-10 23:46:50,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:50,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242608167] [2022-02-10 23:46:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:50,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:50,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:50,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242608167] [2022-02-10 23:46:50,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242608167] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:50,693 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:50,693 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:46:50,693 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502925805] [2022-02-10 23:46:50,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:50,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:46:50,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:50,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:46:50,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:50,693 INFO L87 Difference]: Start difference. First operand 1377 states and 2537 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:51,348 INFO L93 Difference]: Finished difference Result 1728 states and 3142 transitions. [2022-02-10 23:46:51,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 23:46:51,348 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:51,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:51,350 INFO L225 Difference]: With dead ends: 1728 [2022-02-10 23:46:51,350 INFO L226 Difference]: Without dead ends: 1728 [2022-02-10 23:46:51,350 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:46:51,350 INFO L934 BasicCegarLoop]: 121 mSDtfsCounter, 217 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:51,350 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 549 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:46:51,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-02-10 23:46:51,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1361. [2022-02-10 23:46:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1354 states have (on average 1.8500738552437224) internal successors, (2505), 1360 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2505 transitions. [2022-02-10 23:46:51,372 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2505 transitions. Word has length 115 [2022-02-10 23:46:51,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:51,372 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2505 transitions. [2022-02-10 23:46:51,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2505 transitions. [2022-02-10 23:46:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:51,373 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:51,373 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:51,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-02-10 23:46:51,373 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:51,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:51,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1276121356, now seen corresponding path program 26 times [2022-02-10 23:46:51,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:51,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621621858] [2022-02-10 23:46:51,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:51,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:51,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:51,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621621858] [2022-02-10 23:46:51,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621621858] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:51,710 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:51,710 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:51,710 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047109429] [2022-02-10 23:46:51,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:51,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:51,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:51,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:51,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:51,711 INFO L87 Difference]: Start difference. First operand 1361 states and 2505 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:52,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:52,103 INFO L93 Difference]: Finished difference Result 1702 states and 3091 transitions. [2022-02-10 23:46:52,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:52,103 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:52,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:52,105 INFO L225 Difference]: With dead ends: 1702 [2022-02-10 23:46:52,105 INFO L226 Difference]: Without dead ends: 1702 [2022-02-10 23:46:52,105 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:52,105 INFO L934 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:52,105 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 452 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:52,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-02-10 23:46:52,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1333. [2022-02-10 23:46:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1326 states have (on average 1.8469079939668176) internal successors, (2449), 1332 states have internal predecessors, (2449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 2449 transitions. [2022-02-10 23:46:52,117 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 2449 transitions. Word has length 115 [2022-02-10 23:46:52,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:52,117 INFO L470 AbstractCegarLoop]: Abstraction has 1333 states and 2449 transitions. [2022-02-10 23:46:52,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2449 transitions. [2022-02-10 23:46:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:52,118 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:52,118 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:52,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-02-10 23:46:52,118 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:52,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:52,119 INFO L85 PathProgramCache]: Analyzing trace with hash -838391602, now seen corresponding path program 27 times [2022-02-10 23:46:52,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:52,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139983595] [2022-02-10 23:46:52,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:52,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:52,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:52,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139983595] [2022-02-10 23:46:52,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139983595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:52,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:52,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:52,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893823143] [2022-02-10 23:46:52,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:52,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:52,562 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:52,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:52,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:52,562 INFO L87 Difference]: Start difference. First operand 1333 states and 2449 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:52,995 INFO L93 Difference]: Finished difference Result 1690 states and 3069 transitions. [2022-02-10 23:46:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:52,996 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:52,997 INFO L225 Difference]: With dead ends: 1690 [2022-02-10 23:46:52,997 INFO L226 Difference]: Without dead ends: 1690 [2022-02-10 23:46:52,998 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:46:52,998 INFO L934 BasicCegarLoop]: 127 mSDtfsCounter, 213 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:52,998 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 464 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:52,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-02-10 23:46:53,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1083. [2022-02-10 23:46:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-10 23:46:53,007 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-10 23:46:53,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:53,007 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-10 23:46:53,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-10 23:46:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:53,008 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:53,008 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:53,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-02-10 23:46:53,008 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:53,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:53,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1179708835, now seen corresponding path program 10 times [2022-02-10 23:46:53,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:53,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667750382] [2022-02-10 23:46:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:53,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:53,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:53,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667750382] [2022-02-10 23:46:53,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667750382] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:53,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:53,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:53,519 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069808909] [2022-02-10 23:46:53,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:53,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:53,519 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:53,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:53,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:53,520 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:53,930 INFO L93 Difference]: Finished difference Result 1117 states and 2008 transitions. [2022-02-10 23:46:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:53,930 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:53,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:53,932 INFO L225 Difference]: With dead ends: 1117 [2022-02-10 23:46:53,932 INFO L226 Difference]: Without dead ends: 1117 [2022-02-10 23:46:53,932 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:53,932 INFO L934 BasicCegarLoop]: 112 mSDtfsCounter, 145 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:53,932 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 472 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:46:53,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-02-10 23:46:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1083. [2022-02-10 23:46:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-10 23:46:53,940 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-10 23:46:53,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:53,940 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-10 23:46:53,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:53,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-10 23:46:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:53,941 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:53,941 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:53,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-02-10 23:46:53,942 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:53,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:53,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1813807177, now seen corresponding path program 11 times [2022-02-10 23:46:53,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:53,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013538001] [2022-02-10 23:46:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:53,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:54,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:54,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013538001] [2022-02-10 23:46:54,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013538001] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:54,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:54,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:54,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115428233] [2022-02-10 23:46:54,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:54,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:54,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:54,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:54,444 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:54,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:54,827 INFO L93 Difference]: Finished difference Result 1137 states and 2046 transitions. [2022-02-10 23:46:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:54,827 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:54,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:54,828 INFO L225 Difference]: With dead ends: 1137 [2022-02-10 23:46:54,829 INFO L226 Difference]: Without dead ends: 1137 [2022-02-10 23:46:54,829 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:54,829 INFO L934 BasicCegarLoop]: 109 mSDtfsCounter, 127 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:54,829 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 415 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-02-10 23:46:54,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1083. [2022-02-10 23:46:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-10 23:46:54,837 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-10 23:46:54,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:54,837 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-10 23:46:54,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-10 23:46:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:54,838 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:54,838 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:54,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-02-10 23:46:54,838 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:54,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:54,839 INFO L85 PathProgramCache]: Analyzing trace with hash 748683199, now seen corresponding path program 12 times [2022-02-10 23:46:54,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:54,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934062927] [2022-02-10 23:46:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:54,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:55,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:55,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934062927] [2022-02-10 23:46:55,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934062927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:55,305 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:55,305 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:55,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104912710] [2022-02-10 23:46:55,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:55,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:55,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:55,306 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:55,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:55,677 INFO L93 Difference]: Finished difference Result 1152 states and 2076 transitions. [2022-02-10 23:46:55,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:55,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:55,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:55,678 INFO L225 Difference]: With dead ends: 1152 [2022-02-10 23:46:55,678 INFO L226 Difference]: Without dead ends: 1152 [2022-02-10 23:46:55,679 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:55,679 INFO L934 BasicCegarLoop]: 105 mSDtfsCounter, 149 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:55,679 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 335 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-02-10 23:46:55,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1083. [2022-02-10 23:46:55,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-10 23:46:55,688 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-10 23:46:55,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:55,688 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-10 23:46:55,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-10 23:46:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:55,689 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:55,689 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:55,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-02-10 23:46:55,689 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:55,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:55,690 INFO L85 PathProgramCache]: Analyzing trace with hash 192447189, now seen corresponding path program 13 times [2022-02-10 23:46:55,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:55,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291723562] [2022-02-10 23:46:55,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:55,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:56,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:56,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291723562] [2022-02-10 23:46:56,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291723562] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:56,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:56,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:56,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507707956] [2022-02-10 23:46:56,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:56,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:56,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:56,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:56,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:56,136 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:56,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:56,484 INFO L93 Difference]: Finished difference Result 1135 states and 2048 transitions. [2022-02-10 23:46:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:56,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:56,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:56,486 INFO L225 Difference]: With dead ends: 1135 [2022-02-10 23:46:56,486 INFO L226 Difference]: Without dead ends: 1135 [2022-02-10 23:46:56,486 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:56,486 INFO L934 BasicCegarLoop]: 101 mSDtfsCounter, 135 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:56,486 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 415 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:56,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-02-10 23:46:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1054. [2022-02-10 23:46:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1047 states have (on average 1.8185291308500477) internal successors, (1904), 1053 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1904 transitions. [2022-02-10 23:46:56,496 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1904 transitions. Word has length 115 [2022-02-10 23:46:56,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:56,496 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 1904 transitions. [2022-02-10 23:46:56,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1904 transitions. [2022-02-10 23:46:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:56,498 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:56,498 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:56,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-02-10 23:46:56,498 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:56,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1332858260, now seen corresponding path program 28 times [2022-02-10 23:46:56,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:56,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669475554] [2022-02-10 23:46:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:56,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:56,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:56,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669475554] [2022-02-10 23:46:56,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669475554] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:56,747 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:56,747 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:56,747 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779689360] [2022-02-10 23:46:56,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:56,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:56,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:56,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:56,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:56,748 INFO L87 Difference]: Start difference. First operand 1054 states and 1904 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:57,327 INFO L93 Difference]: Finished difference Result 1136 states and 2050 transitions. [2022-02-10 23:46:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:46:57,327 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:57,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:57,328 INFO L225 Difference]: With dead ends: 1136 [2022-02-10 23:46:57,328 INFO L226 Difference]: Without dead ends: 1136 [2022-02-10 23:46:57,328 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-02-10 23:46:57,329 INFO L934 BasicCegarLoop]: 166 mSDtfsCounter, 246 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:57,331 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 576 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-02-10 23:46:57,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1056. [2022-02-10 23:46:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1049 states have (on average 1.818875119161106) internal successors, (1908), 1055 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1908 transitions. [2022-02-10 23:46:57,339 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1908 transitions. Word has length 115 [2022-02-10 23:46:57,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:57,339 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1908 transitions. [2022-02-10 23:46:57,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1908 transitions. [2022-02-10 23:46:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:57,340 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:57,340 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:57,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-02-10 23:46:57,340 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:57,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:57,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1246401740, now seen corresponding path program 29 times [2022-02-10 23:46:57,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:57,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635138946] [2022-02-10 23:46:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:57,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:57,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:57,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635138946] [2022-02-10 23:46:57,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635138946] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:57,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:57,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:57,728 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968366360] [2022-02-10 23:46:57,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:57,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:57,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:57,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:57,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:57,728 INFO L87 Difference]: Start difference. First operand 1056 states and 1908 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:58,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:58,010 INFO L93 Difference]: Finished difference Result 1151 states and 2068 transitions. [2022-02-10 23:46:58,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:58,011 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:58,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:58,012 INFO L225 Difference]: With dead ends: 1151 [2022-02-10 23:46:58,012 INFO L226 Difference]: Without dead ends: 1151 [2022-02-10 23:46:58,012 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:58,012 INFO L934 BasicCegarLoop]: 111 mSDtfsCounter, 122 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:58,012 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 334 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:46:58,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-02-10 23:46:58,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1060. [2022-02-10 23:46:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 1053 states have (on average 1.8195631528964862) internal successors, (1916), 1059 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:58,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1916 transitions. [2022-02-10 23:46:58,020 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1916 transitions. Word has length 115 [2022-02-10 23:46:58,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:58,020 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1916 transitions. [2022-02-10 23:46:58,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:58,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1916 transitions. [2022-02-10 23:46:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:58,021 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:58,021 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:58,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-02-10 23:46:58,021 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:58,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1405122190, now seen corresponding path program 30 times [2022-02-10 23:46:58,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:58,022 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611582956] [2022-02-10 23:46:58,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:58,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:58,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:58,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611582956] [2022-02-10 23:46:58,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611582956] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:58,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:58,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:46:58,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576689207] [2022-02-10 23:46:58,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:58,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:46:58,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:58,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:46:58,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:46:58,460 INFO L87 Difference]: Start difference. First operand 1060 states and 1916 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:58,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:46:58,767 INFO L93 Difference]: Finished difference Result 1144 states and 2055 transitions. [2022-02-10 23:46:58,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:46:58,768 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:46:58,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:46:58,769 INFO L225 Difference]: With dead ends: 1144 [2022-02-10 23:46:58,769 INFO L226 Difference]: Without dead ends: 1144 [2022-02-10 23:46:58,769 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:46:58,769 INFO L934 BasicCegarLoop]: 111 mSDtfsCounter, 138 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:46:58,770 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 360 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:46:58,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-02-10 23:46:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1063. [2022-02-10 23:46:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1056 states have (on average 1.8200757575757576) internal successors, (1922), 1062 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1922 transitions. [2022-02-10 23:46:58,779 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1922 transitions. Word has length 115 [2022-02-10 23:46:58,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:46:58,779 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1922 transitions. [2022-02-10 23:46:58,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:46:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1922 transitions. [2022-02-10 23:46:58,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:46:58,780 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:46:58,780 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:46:58,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-02-10 23:46:58,780 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:46:58,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:46:58,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1110511506, now seen corresponding path program 31 times [2022-02-10 23:46:58,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:46:58,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302484579] [2022-02-10 23:46:58,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:46:58,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:46:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:46:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:46:59,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:46:59,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302484579] [2022-02-10 23:46:59,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302484579] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:46:59,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:46:59,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:46:59,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123810279] [2022-02-10 23:46:59,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:46:59,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:46:59,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:46:59,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:46:59,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:46:59,695 INFO L87 Difference]: Start difference. First operand 1063 states and 1922 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:01,032 INFO L93 Difference]: Finished difference Result 1664 states and 3022 transitions. [2022-02-10 23:47:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 23:47:01,033 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:47:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:01,035 INFO L225 Difference]: With dead ends: 1664 [2022-02-10 23:47:01,035 INFO L226 Difference]: Without dead ends: 1664 [2022-02-10 23:47:01,035 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-02-10 23:47:01,035 INFO L934 BasicCegarLoop]: 106 mSDtfsCounter, 653 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:01,035 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 871 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:47:01,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-02-10 23:47:01,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1045. [2022-02-10 23:47:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1038 states have (on average 1.8169556840077072) internal successors, (1886), 1044 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1886 transitions. [2022-02-10 23:47:01,044 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1886 transitions. Word has length 115 [2022-02-10 23:47:01,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:01,044 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 1886 transitions. [2022-02-10 23:47:01,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1886 transitions. [2022-02-10 23:47:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:47:01,045 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:01,045 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:01,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-02-10 23:47:01,045 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:01,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:01,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1741080748, now seen corresponding path program 32 times [2022-02-10 23:47:01,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:01,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237291568] [2022-02-10 23:47:01,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:01,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:02,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:02,028 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237291568] [2022-02-10 23:47:02,028 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237291568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:02,028 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:02,028 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:47:02,028 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749518525] [2022-02-10 23:47:02,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:02,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:47:02,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:02,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:47:02,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:47:02,029 INFO L87 Difference]: Start difference. First operand 1045 states and 1886 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:03,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:03,517 INFO L93 Difference]: Finished difference Result 1643 states and 2983 transitions. [2022-02-10 23:47:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-10 23:47:03,518 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:47:03,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:03,519 INFO L225 Difference]: With dead ends: 1643 [2022-02-10 23:47:03,519 INFO L226 Difference]: Without dead ends: 1643 [2022-02-10 23:47:03,519 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2022-02-10 23:47:03,520 INFO L934 BasicCegarLoop]: 108 mSDtfsCounter, 761 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:03,520 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 976 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 23:47:03,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2022-02-10 23:47:03,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1036. [2022-02-10 23:47:03,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1029 states have (on average 1.815354713313897) internal successors, (1868), 1035 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1868 transitions. [2022-02-10 23:47:03,528 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1868 transitions. Word has length 115 [2022-02-10 23:47:03,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:03,529 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1868 transitions. [2022-02-10 23:47:03,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1868 transitions. [2022-02-10 23:47:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:47:03,529 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:03,530 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:03,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-02-10 23:47:03,530 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:03,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:03,530 INFO L85 PathProgramCache]: Analyzing trace with hash -939307692, now seen corresponding path program 33 times [2022-02-10 23:47:03,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:03,530 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572935706] [2022-02-10 23:47:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:03,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:04,380 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:04,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572935706] [2022-02-10 23:47:04,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572935706] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:04,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:04,380 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:04,380 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699540231] [2022-02-10 23:47:04,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:04,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:04,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:04,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:04,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:04,381 INFO L87 Difference]: Start difference. First operand 1036 states and 1868 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:05,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:05,018 INFO L93 Difference]: Finished difference Result 1099 states and 1970 transitions. [2022-02-10 23:47:05,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:05,018 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:47:05,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:05,019 INFO L225 Difference]: With dead ends: 1099 [2022-02-10 23:47:05,019 INFO L226 Difference]: Without dead ends: 1099 [2022-02-10 23:47:05,020 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:47:05,020 INFO L934 BasicCegarLoop]: 117 mSDtfsCounter, 167 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:05,020 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 427 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2022-02-10 23:47:05,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1035. [2022-02-10 23:47:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1028 states have (on average 1.816147859922179) internal successors, (1867), 1034 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1867 transitions. [2022-02-10 23:47:05,028 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1867 transitions. Word has length 115 [2022-02-10 23:47:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:05,028 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1867 transitions. [2022-02-10 23:47:05,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1867 transitions. [2022-02-10 23:47:05,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 23:47:05,029 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:05,029 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:05,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-02-10 23:47:05,029 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:05,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:05,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2051351210, now seen corresponding path program 34 times [2022-02-10 23:47:05,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:05,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130373337] [2022-02-10 23:47:05,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:05,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:06,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:06,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130373337] [2022-02-10 23:47:06,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130373337] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:06,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:06,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-10 23:47:06,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443257501] [2022-02-10 23:47:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:06,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 23:47:06,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:06,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 23:47:06,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:47:06,210 INFO L87 Difference]: Start difference. First operand 1035 states and 1867 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:07,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:07,550 INFO L93 Difference]: Finished difference Result 1624 states and 2945 transitions. [2022-02-10 23:47:07,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-10 23:47:07,551 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-02-10 23:47:07,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:07,552 INFO L225 Difference]: With dead ends: 1624 [2022-02-10 23:47:07,553 INFO L226 Difference]: Without dead ends: 1624 [2022-02-10 23:47:07,553 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2022-02-10 23:47:07,553 INFO L934 BasicCegarLoop]: 110 mSDtfsCounter, 746 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:07,553 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 664 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 23:47:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-02-10 23:47:07,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1002. [2022-02-10 23:47:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 995 states have (on average 1.8190954773869348) internal successors, (1810), 1001 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1810 transitions. [2022-02-10 23:47:07,570 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1810 transitions. Word has length 115 [2022-02-10 23:47:07,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:07,570 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1810 transitions. [2022-02-10 23:47:07,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1810 transitions. [2022-02-10 23:47:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:07,571 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:07,571 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:07,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-02-10 23:47:07,572 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:07,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:07,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1742353774, now seen corresponding path program 1 times [2022-02-10 23:47:07,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:07,572 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101637141] [2022-02-10 23:47:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:07,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:08,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:08,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101637141] [2022-02-10 23:47:08,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101637141] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:08,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:08,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:08,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358914368] [2022-02-10 23:47:08,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:08,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:08,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:08,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:08,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:08,065 INFO L87 Difference]: Start difference. First operand 1002 states and 1810 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:08,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:08,583 INFO L93 Difference]: Finished difference Result 1714 states and 3122 transitions. [2022-02-10 23:47:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:47:08,584 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:08,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:08,586 INFO L225 Difference]: With dead ends: 1714 [2022-02-10 23:47:08,586 INFO L226 Difference]: Without dead ends: 1686 [2022-02-10 23:47:08,586 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:47:08,586 INFO L934 BasicCegarLoop]: 161 mSDtfsCounter, 292 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:08,586 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 589 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:08,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-02-10 23:47:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1056. [2022-02-10 23:47:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1049 states have (on average 1.8284080076263107) internal successors, (1918), 1055 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1918 transitions. [2022-02-10 23:47:08,608 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1918 transitions. Word has length 116 [2022-02-10 23:47:08,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:08,608 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1918 transitions. [2022-02-10 23:47:08,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1918 transitions. [2022-02-10 23:47:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:08,609 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:08,609 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:08,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-02-10 23:47:08,609 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:08,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:08,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1786362070, now seen corresponding path program 1 times [2022-02-10 23:47:08,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:08,610 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396581576] [2022-02-10 23:47:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:08,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:08,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:08,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396581576] [2022-02-10 23:47:08,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396581576] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:08,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:08,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:08,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719240633] [2022-02-10 23:47:08,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:08,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:08,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:08,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:08,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:08,920 INFO L87 Difference]: Start difference. First operand 1056 states and 1918 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:09,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:09,423 INFO L93 Difference]: Finished difference Result 1819 states and 3278 transitions. [2022-02-10 23:47:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:47:09,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:09,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:09,426 INFO L225 Difference]: With dead ends: 1819 [2022-02-10 23:47:09,426 INFO L226 Difference]: Without dead ends: 1775 [2022-02-10 23:47:09,426 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:09,426 INFO L934 BasicCegarLoop]: 157 mSDtfsCounter, 218 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:09,426 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 739 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:09,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-02-10 23:47:09,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1349. [2022-02-10 23:47:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1342 states have (on average 1.8621460506706409) internal successors, (2499), 1348 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2499 transitions. [2022-02-10 23:47:09,439 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2499 transitions. Word has length 116 [2022-02-10 23:47:09,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:09,439 INFO L470 AbstractCegarLoop]: Abstraction has 1349 states and 2499 transitions. [2022-02-10 23:47:09,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2499 transitions. [2022-02-10 23:47:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:09,440 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:09,440 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:09,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-02-10 23:47:09,440 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:09,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:09,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1082142128, now seen corresponding path program 2 times [2022-02-10 23:47:09,441 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:09,441 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871483103] [2022-02-10 23:47:09,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:09,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:09,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:09,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871483103] [2022-02-10 23:47:09,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871483103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:09,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:09,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:09,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794674467] [2022-02-10 23:47:09,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:09,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:09,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:09,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:09,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:09,806 INFO L87 Difference]: Start difference. First operand 1349 states and 2499 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:10,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:10,272 INFO L93 Difference]: Finished difference Result 1723 states and 3109 transitions. [2022-02-10 23:47:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:47:10,272 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:10,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:10,274 INFO L225 Difference]: With dead ends: 1723 [2022-02-10 23:47:10,274 INFO L226 Difference]: Without dead ends: 1690 [2022-02-10 23:47:10,274 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:10,274 INFO L934 BasicCegarLoop]: 148 mSDtfsCounter, 222 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:10,275 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 607 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-02-10 23:47:10,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1357. [2022-02-10 23:47:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1350 states have (on average 1.8622222222222222) internal successors, (2514), 1356 states have internal predecessors, (2514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 2514 transitions. [2022-02-10 23:47:10,286 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 2514 transitions. Word has length 116 [2022-02-10 23:47:10,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:10,286 INFO L470 AbstractCegarLoop]: Abstraction has 1357 states and 2514 transitions. [2022-02-10 23:47:10,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2514 transitions. [2022-02-10 23:47:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:10,288 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:10,288 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:10,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-02-10 23:47:10,288 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:10,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:10,288 INFO L85 PathProgramCache]: Analyzing trace with hash 304088598, now seen corresponding path program 3 times [2022-02-10 23:47:10,288 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:10,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352238328] [2022-02-10 23:47:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:10,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:10,697 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:10,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352238328] [2022-02-10 23:47:10,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352238328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:10,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:10,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:10,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702846799] [2022-02-10 23:47:10,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:10,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:10,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:10,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:10,698 INFO L87 Difference]: Start difference. First operand 1357 states and 2514 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:11,152 INFO L93 Difference]: Finished difference Result 1595 states and 2877 transitions. [2022-02-10 23:47:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:47:11,152 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:11,153 INFO L225 Difference]: With dead ends: 1595 [2022-02-10 23:47:11,154 INFO L226 Difference]: Without dead ends: 1573 [2022-02-10 23:47:11,154 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:11,154 INFO L934 BasicCegarLoop]: 139 mSDtfsCounter, 226 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:11,154 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 501 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-02-10 23:47:11,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1361. [2022-02-10 23:47:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1354 states have (on average 1.861890694239291) internal successors, (2521), 1360 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2521 transitions. [2022-02-10 23:47:11,164 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2521 transitions. Word has length 116 [2022-02-10 23:47:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:11,164 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2521 transitions. [2022-02-10 23:47:11,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2521 transitions. [2022-02-10 23:47:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:11,166 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:11,166 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:11,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-02-10 23:47:11,166 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:11,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:11,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1840049488, now seen corresponding path program 4 times [2022-02-10 23:47:11,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:11,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374318349] [2022-02-10 23:47:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:11,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:11,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:11,662 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374318349] [2022-02-10 23:47:11,662 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374318349] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:11,662 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:11,662 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:11,662 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358623323] [2022-02-10 23:47:11,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:11,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:11,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:11,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:11,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:11,663 INFO L87 Difference]: Start difference. First operand 1361 states and 2521 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:12,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:12,153 INFO L93 Difference]: Finished difference Result 1520 states and 2748 transitions. [2022-02-10 23:47:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:12,153 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:12,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:12,154 INFO L225 Difference]: With dead ends: 1520 [2022-02-10 23:47:12,155 INFO L226 Difference]: Without dead ends: 1478 [2022-02-10 23:47:12,155 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:12,155 INFO L934 BasicCegarLoop]: 131 mSDtfsCounter, 184 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:12,155 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 483 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-02-10 23:47:12,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1335. [2022-02-10 23:47:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1328 states have (on average 1.8561746987951808) internal successors, (2465), 1334 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 2465 transitions. [2022-02-10 23:47:12,165 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 2465 transitions. Word has length 116 [2022-02-10 23:47:12,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:12,165 INFO L470 AbstractCegarLoop]: Abstraction has 1335 states and 2465 transitions. [2022-02-10 23:47:12,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2465 transitions. [2022-02-10 23:47:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:12,166 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:12,166 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:12,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-02-10 23:47:12,167 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:12,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:12,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1602431647, now seen corresponding path program 1 times [2022-02-10 23:47:12,167 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:12,167 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696622145] [2022-02-10 23:47:12,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:12,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:12,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:12,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696622145] [2022-02-10 23:47:12,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696622145] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:12,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:12,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 23:47:12,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671433198] [2022-02-10 23:47:12,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:12,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 23:47:12,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:12,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 23:47:12,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-10 23:47:12,260 INFO L87 Difference]: Start difference. First operand 1335 states and 2465 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:12,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:12,489 INFO L93 Difference]: Finished difference Result 1564 states and 2874 transitions. [2022-02-10 23:47:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:12,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:12,491 INFO L225 Difference]: With dead ends: 1564 [2022-02-10 23:47:12,491 INFO L226 Difference]: Without dead ends: 1532 [2022-02-10 23:47:12,491 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:12,491 INFO L934 BasicCegarLoop]: 165 mSDtfsCounter, 204 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:12,491 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 453 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:47:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-02-10 23:47:12,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1378. [2022-02-10 23:47:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1371 states have (on average 1.8570386579139315) internal successors, (2546), 1377 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2546 transitions. [2022-02-10 23:47:12,503 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2546 transitions. Word has length 116 [2022-02-10 23:47:12,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:12,503 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2546 transitions. [2022-02-10 23:47:12,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:12,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2546 transitions. [2022-02-10 23:47:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:12,504 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:12,504 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:12,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-02-10 23:47:12,504 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:12,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:12,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1515051637, now seen corresponding path program 2 times [2022-02-10 23:47:12,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:12,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490369024] [2022-02-10 23:47:12,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:12,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:12,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:12,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490369024] [2022-02-10 23:47:12,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490369024] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:12,789 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:12,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:12,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250039946] [2022-02-10 23:47:12,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:12,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:12,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:12,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:12,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:12,790 INFO L87 Difference]: Start difference. First operand 1378 states and 2546 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:13,309 INFO L93 Difference]: Finished difference Result 2677 states and 4898 transitions. [2022-02-10 23:47:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 23:47:13,309 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:13,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:13,312 INFO L225 Difference]: With dead ends: 2677 [2022-02-10 23:47:13,312 INFO L226 Difference]: Without dead ends: 2625 [2022-02-10 23:47:13,312 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:13,312 INFO L934 BasicCegarLoop]: 162 mSDtfsCounter, 227 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:13,312 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 537 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2022-02-10 23:47:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 1746. [2022-02-10 23:47:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1739 states have (on average 1.875215641173088) internal successors, (3261), 1745 states have internal predecessors, (3261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 3261 transitions. [2022-02-10 23:47:13,340 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 3261 transitions. Word has length 116 [2022-02-10 23:47:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:13,340 INFO L470 AbstractCegarLoop]: Abstraction has 1746 states and 3261 transitions. [2022-02-10 23:47:13,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 3261 transitions. [2022-02-10 23:47:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:13,341 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:13,341 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:13,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-02-10 23:47:13,341 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:13,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:13,342 INFO L85 PathProgramCache]: Analyzing trace with hash 264244723, now seen corresponding path program 3 times [2022-02-10 23:47:13,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:13,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127390402] [2022-02-10 23:47:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:13,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:13,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127390402] [2022-02-10 23:47:13,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127390402] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:13,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:13,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:13,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324470229] [2022-02-10 23:47:13,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:13,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:13,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:13,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:13,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:13,671 INFO L87 Difference]: Start difference. First operand 1746 states and 3261 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:14,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:14,137 INFO L93 Difference]: Finished difference Result 2063 states and 3758 transitions. [2022-02-10 23:47:14,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:14,138 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:14,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:14,140 INFO L225 Difference]: With dead ends: 2063 [2022-02-10 23:47:14,140 INFO L226 Difference]: Without dead ends: 1974 [2022-02-10 23:47:14,140 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:14,140 INFO L934 BasicCegarLoop]: 156 mSDtfsCounter, 188 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:14,140 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 632 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2022-02-10 23:47:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1378. [2022-02-10 23:47:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1371 states have (on average 1.849744711889132) internal successors, (2536), 1377 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2536 transitions. [2022-02-10 23:47:14,152 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2536 transitions. Word has length 116 [2022-02-10 23:47:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:14,152 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2536 transitions. [2022-02-10 23:47:14,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2536 transitions. [2022-02-10 23:47:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:14,153 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:14,153 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:14,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-02-10 23:47:14,153 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:14,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:14,154 INFO L85 PathProgramCache]: Analyzing trace with hash -853166091, now seen corresponding path program 4 times [2022-02-10 23:47:14,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:14,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676815728] [2022-02-10 23:47:14,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:14,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:14,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:14,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676815728] [2022-02-10 23:47:14,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676815728] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:14,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:14,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:14,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574466033] [2022-02-10 23:47:14,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:14,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:14,581 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:14,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:14,582 INFO L87 Difference]: Start difference. First operand 1378 states and 2536 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:14,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:14,980 INFO L93 Difference]: Finished difference Result 1589 states and 2845 transitions. [2022-02-10 23:47:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:14,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:14,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:14,982 INFO L225 Difference]: With dead ends: 1589 [2022-02-10 23:47:14,982 INFO L226 Difference]: Without dead ends: 1543 [2022-02-10 23:47:14,982 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:14,982 INFO L934 BasicCegarLoop]: 147 mSDtfsCounter, 212 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:14,982 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 439 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:14,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-02-10 23:47:14,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1364. [2022-02-10 23:47:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1357 states have (on average 1.847457627118644) internal successors, (2507), 1363 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2507 transitions. [2022-02-10 23:47:14,992 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2507 transitions. Word has length 116 [2022-02-10 23:47:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:14,993 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 2507 transitions. [2022-02-10 23:47:14,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2507 transitions. [2022-02-10 23:47:14,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:14,994 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:14,994 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:14,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-02-10 23:47:14,994 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:14,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:14,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1978558349, now seen corresponding path program 5 times [2022-02-10 23:47:14,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:14,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947989706] [2022-02-10 23:47:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:14,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:15,666 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:15,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947989706] [2022-02-10 23:47:15,666 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947989706] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:15,666 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:15,666 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:47:15,666 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726859966] [2022-02-10 23:47:15,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:15,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:47:15,666 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:15,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:47:15,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:15,667 INFO L87 Difference]: Start difference. First operand 1364 states and 2507 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:16,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:16,484 INFO L93 Difference]: Finished difference Result 1512 states and 2715 transitions. [2022-02-10 23:47:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 23:47:16,484 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:16,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:16,485 INFO L225 Difference]: With dead ends: 1512 [2022-02-10 23:47:16,485 INFO L226 Difference]: Without dead ends: 1260 [2022-02-10 23:47:16,485 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2022-02-10 23:47:16,486 INFO L934 BasicCegarLoop]: 138 mSDtfsCounter, 183 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:16,486 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 628 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-02-10 23:47:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1150. [2022-02-10 23:47:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 1143 states have (on average 1.8127734033245844) internal successors, (2072), 1149 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 2072 transitions. [2022-02-10 23:47:16,495 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 2072 transitions. Word has length 116 [2022-02-10 23:47:16,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:16,495 INFO L470 AbstractCegarLoop]: Abstraction has 1150 states and 2072 transitions. [2022-02-10 23:47:16,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2072 transitions. [2022-02-10 23:47:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:16,496 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:16,497 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:16,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-02-10 23:47:16,497 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:16,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:16,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1361020946, now seen corresponding path program 2 times [2022-02-10 23:47:16,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:16,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960874982] [2022-02-10 23:47:16,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:16,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:17,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:17,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960874982] [2022-02-10 23:47:17,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960874982] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:17,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:17,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:17,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813664636] [2022-02-10 23:47:17,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:17,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:17,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:17,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:17,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:17,505 INFO L87 Difference]: Start difference. First operand 1150 states and 2072 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:18,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:18,045 INFO L93 Difference]: Finished difference Result 1275 states and 2258 transitions. [2022-02-10 23:47:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:18,045 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:18,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:18,046 INFO L225 Difference]: With dead ends: 1275 [2022-02-10 23:47:18,046 INFO L226 Difference]: Without dead ends: 1250 [2022-02-10 23:47:18,046 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:47:18,047 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 166 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:18,047 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 606 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:18,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-02-10 23:47:18,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1151. [2022-02-10 23:47:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1144 states have (on average 1.812062937062937) internal successors, (2073), 1150 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2073 transitions. [2022-02-10 23:47:18,055 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2073 transitions. Word has length 116 [2022-02-10 23:47:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:18,056 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2073 transitions. [2022-02-10 23:47:18,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2073 transitions. [2022-02-10 23:47:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:18,057 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:18,057 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:18,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-02-10 23:47:18,057 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:18,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:18,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1954156579, now seen corresponding path program 6 times [2022-02-10 23:47:18,057 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:18,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113483671] [2022-02-10 23:47:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:18,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:18,352 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:18,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113483671] [2022-02-10 23:47:18,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113483671] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:18,352 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:18,352 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:18,352 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20278121] [2022-02-10 23:47:18,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:18,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:18,353 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:18,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:18,353 INFO L87 Difference]: Start difference. First operand 1151 states and 2073 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:19,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:19,111 INFO L93 Difference]: Finished difference Result 1423 states and 2505 transitions. [2022-02-10 23:47:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 23:47:19,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:19,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:19,113 INFO L225 Difference]: With dead ends: 1423 [2022-02-10 23:47:19,113 INFO L226 Difference]: Without dead ends: 1387 [2022-02-10 23:47:19,113 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-10 23:47:19,113 INFO L934 BasicCegarLoop]: 205 mSDtfsCounter, 258 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:19,113 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 933 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:47:19,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2022-02-10 23:47:19,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1171. [2022-02-10 23:47:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1164 states have (on average 1.8101374570446735) internal successors, (2107), 1170 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2107 transitions. [2022-02-10 23:47:19,123 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2107 transitions. Word has length 116 [2022-02-10 23:47:19,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:19,123 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 2107 transitions. [2022-02-10 23:47:19,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2107 transitions. [2022-02-10 23:47:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:19,124 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:19,124 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:19,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-02-10 23:47:19,124 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:19,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:19,124 INFO L85 PathProgramCache]: Analyzing trace with hash -426721413, now seen corresponding path program 7 times [2022-02-10 23:47:19,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:19,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776283973] [2022-02-10 23:47:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:19,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:19,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:19,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776283973] [2022-02-10 23:47:19,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776283973] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:19,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:19,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:19,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67681394] [2022-02-10 23:47:19,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:19,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:19,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:19,566 INFO L87 Difference]: Start difference. First operand 1171 states and 2107 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:20,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:20,045 INFO L93 Difference]: Finished difference Result 1554 states and 2724 transitions. [2022-02-10 23:47:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:20,045 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:20,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:20,047 INFO L225 Difference]: With dead ends: 1554 [2022-02-10 23:47:20,047 INFO L226 Difference]: Without dead ends: 1520 [2022-02-10 23:47:20,047 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:20,047 INFO L934 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 [2022-02-10 23:47:20,047 INFO L935 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] [2022-02-10 23:47:20,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-02-10 23:47:20,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1206. [2022-02-10 23:47:20,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1199 states have (on average 1.8123436196830691) internal successors, (2173), 1205 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:20,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 2173 transitions. [2022-02-10 23:47:20,057 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 2173 transitions. Word has length 116 [2022-02-10 23:47:20,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:20,057 INFO L470 AbstractCegarLoop]: Abstraction has 1206 states and 2173 transitions. [2022-02-10 23:47:20,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:20,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 2173 transitions. [2022-02-10 23:47:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:20,058 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:20,058 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:20,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-02-10 23:47:20,058 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:20,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:20,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1019584619, now seen corresponding path program 8 times [2022-02-10 23:47:20,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:20,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248514111] [2022-02-10 23:47:20,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:20,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:21,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:21,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248514111] [2022-02-10 23:47:21,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248514111] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:21,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:21,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-10 23:47:21,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451092384] [2022-02-10 23:47:21,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:21,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-10 23:47:21,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-10 23:47:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:47:21,069 INFO L87 Difference]: Start difference. First operand 1206 states and 2173 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:22,327 INFO L93 Difference]: Finished difference Result 1489 states and 2623 transitions. [2022-02-10 23:47:22,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-10 23:47:22,328 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:22,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:22,329 INFO L225 Difference]: With dead ends: 1489 [2022-02-10 23:47:22,329 INFO L226 Difference]: Without dead ends: 1463 [2022-02-10 23:47:22,329 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=233, Invalid=889, Unknown=0, NotChecked=0, Total=1122 [2022-02-10 23:47:22,329 INFO L934 BasicCegarLoop]: 148 mSDtfsCounter, 536 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:22,329 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 1196 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 23:47:22,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-02-10 23:47:22,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1259. [2022-02-10 23:47:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1252 states have (on average 1.8099041533546325) internal successors, (2266), 1258 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 2266 transitions. [2022-02-10 23:47:22,339 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 2266 transitions. Word has length 116 [2022-02-10 23:47:22,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:22,339 INFO L470 AbstractCegarLoop]: Abstraction has 1259 states and 2266 transitions. [2022-02-10 23:47:22,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2266 transitions. [2022-02-10 23:47:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:22,341 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:22,341 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:22,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-02-10 23:47:22,341 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:22,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:22,341 INFO L85 PathProgramCache]: Analyzing trace with hash -476588007, now seen corresponding path program 9 times [2022-02-10 23:47:22,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:22,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345591483] [2022-02-10 23:47:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:22,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:22,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:22,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345591483] [2022-02-10 23:47:22,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345591483] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:22,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:22,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:22,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602211248] [2022-02-10 23:47:22,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:22,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:22,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:22,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:22,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:22,942 INFO L87 Difference]: Start difference. First operand 1259 states and 2266 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:23,402 INFO L93 Difference]: Finished difference Result 1500 states and 2645 transitions. [2022-02-10 23:47:23,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:23,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:23,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:23,403 INFO L225 Difference]: With dead ends: 1500 [2022-02-10 23:47:23,404 INFO L226 Difference]: Without dead ends: 1360 [2022-02-10 23:47:23,404 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:23,404 INFO L934 BasicCegarLoop]: 161 mSDtfsCounter, 172 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:23,404 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 532 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:23,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2022-02-10 23:47:23,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1172. [2022-02-10 23:47:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1165 states have (on average 1.809442060085837) internal successors, (2108), 1171 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 2108 transitions. [2022-02-10 23:47:23,413 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 2108 transitions. Word has length 116 [2022-02-10 23:47:23,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:23,413 INFO L470 AbstractCegarLoop]: Abstraction has 1172 states and 2108 transitions. [2022-02-10 23:47:23,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 2108 transitions. [2022-02-10 23:47:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:23,414 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:23,414 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:23,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-02-10 23:47:23,414 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:23,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1450601971, now seen corresponding path program 10 times [2022-02-10 23:47:23,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:23,415 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978236742] [2022-02-10 23:47:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:23,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:24,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:24,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978236742] [2022-02-10 23:47:24,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978236742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:24,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:24,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:24,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282262267] [2022-02-10 23:47:24,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:24,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:24,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:24,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:24,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:24,155 INFO L87 Difference]: Start difference. First operand 1172 states and 2108 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:24,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:24,608 INFO L93 Difference]: Finished difference Result 1400 states and 2468 transitions. [2022-02-10 23:47:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:24,609 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:24,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:24,610 INFO L225 Difference]: With dead ends: 1400 [2022-02-10 23:47:24,610 INFO L226 Difference]: Without dead ends: 1325 [2022-02-10 23:47:24,610 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:24,611 INFO L934 BasicCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:24,611 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 514 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:24,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-02-10 23:47:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1173. [2022-02-10 23:47:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1166 states have (on average 1.8087478559176673) internal successors, (2109), 1172 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2109 transitions. [2022-02-10 23:47:24,620 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2109 transitions. Word has length 116 [2022-02-10 23:47:24,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:24,620 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2109 transitions. [2022-02-10 23:47:24,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2109 transitions. [2022-02-10 23:47:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:24,621 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:24,621 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:24,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-02-10 23:47:24,621 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:24,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:24,621 INFO L85 PathProgramCache]: Analyzing trace with hash 535762931, now seen corresponding path program 11 times [2022-02-10 23:47:24,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:24,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897211699] [2022-02-10 23:47:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:24,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:25,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:25,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897211699] [2022-02-10 23:47:25,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897211699] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:25,913 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:25,914 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:47:25,914 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889161643] [2022-02-10 23:47:25,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:25,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:47:25,914 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:25,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:47:25,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:25,914 INFO L87 Difference]: Start difference. First operand 1173 states and 2109 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:26,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:26,359 INFO L93 Difference]: Finished difference Result 1228 states and 2179 transitions. [2022-02-10 23:47:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:26,359 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:26,360 INFO L225 Difference]: With dead ends: 1228 [2022-02-10 23:47:26,360 INFO L226 Difference]: Without dead ends: 1202 [2022-02-10 23:47:26,360 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:47:26,361 INFO L934 BasicCegarLoop]: 127 mSDtfsCounter, 90 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:26,361 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 443 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:47:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-02-10 23:47:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1174. [2022-02-10 23:47:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1167 states have (on average 1.8080548414738646) internal successors, (2110), 1173 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 2110 transitions. [2022-02-10 23:47:26,370 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 2110 transitions. Word has length 116 [2022-02-10 23:47:26,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:26,370 INFO L470 AbstractCegarLoop]: Abstraction has 1174 states and 2110 transitions. [2022-02-10 23:47:26,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 2110 transitions. [2022-02-10 23:47:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:26,371 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:26,371 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:26,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-02-10 23:47:26,371 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:26,372 INFO L85 PathProgramCache]: Analyzing trace with hash 422152241, now seen corresponding path program 12 times [2022-02-10 23:47:26,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:26,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324547297] [2022-02-10 23:47:26,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:26,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:27,217 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:27,217 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324547297] [2022-02-10 23:47:27,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324547297] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:27,217 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:27,217 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:27,217 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054717321] [2022-02-10 23:47:27,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:27,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:27,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:27,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:27,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:27,218 INFO L87 Difference]: Start difference. First operand 1174 states and 2110 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:27,813 INFO L93 Difference]: Finished difference Result 1308 states and 2312 transitions. [2022-02-10 23:47:27,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:27,813 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:27,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:27,814 INFO L225 Difference]: With dead ends: 1308 [2022-02-10 23:47:27,814 INFO L226 Difference]: Without dead ends: 1244 [2022-02-10 23:47:27,815 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:27,815 INFO L934 BasicCegarLoop]: 144 mSDtfsCounter, 120 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:27,815 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 747 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-02-10 23:47:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1160. [2022-02-10 23:47:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1153 states have (on average 1.8091934084995664) internal successors, (2086), 1159 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2086 transitions. [2022-02-10 23:47:27,824 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2086 transitions. Word has length 116 [2022-02-10 23:47:27,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:27,824 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 2086 transitions. [2022-02-10 23:47:27,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2086 transitions. [2022-02-10 23:47:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:27,825 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:27,825 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:27,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-02-10 23:47:27,825 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:27,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:27,825 INFO L85 PathProgramCache]: Analyzing trace with hash 175830382, now seen corresponding path program 3 times [2022-02-10 23:47:27,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:27,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947742086] [2022-02-10 23:47:27,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:27,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:28,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:28,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947742086] [2022-02-10 23:47:28,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947742086] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:28,572 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:28,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:28,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920360541] [2022-02-10 23:47:28,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:28,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:28,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:28,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:28,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:28,573 INFO L87 Difference]: Start difference. First operand 1160 states and 2086 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:29,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:29,144 INFO L93 Difference]: Finished difference Result 1292 states and 2276 transitions. [2022-02-10 23:47:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:29,145 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:29,146 INFO L225 Difference]: With dead ends: 1292 [2022-02-10 23:47:29,146 INFO L226 Difference]: Without dead ends: 1217 [2022-02-10 23:47:29,146 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:29,146 INFO L934 BasicCegarLoop]: 171 mSDtfsCounter, 171 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:29,146 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 684 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:29,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-02-10 23:47:29,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1123. [2022-02-10 23:47:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1116 states have (on average 1.8028673835125448) internal successors, (2012), 1122 states have internal predecessors, (2012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 2012 transitions. [2022-02-10 23:47:29,155 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 2012 transitions. Word has length 116 [2022-02-10 23:47:29,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:29,155 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 2012 transitions. [2022-02-10 23:47:29,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2012 transitions. [2022-02-10 23:47:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:29,156 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:29,156 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:29,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-02-10 23:47:29,156 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:29,157 INFO L85 PathProgramCache]: Analyzing trace with hash 566339014, now seen corresponding path program 4 times [2022-02-10 23:47:29,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:29,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764337865] [2022-02-10 23:47:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:29,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:30,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:30,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764337865] [2022-02-10 23:47:30,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764337865] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:30,060 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:30,060 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:30,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143076118] [2022-02-10 23:47:30,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:30,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:30,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:30,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:30,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:30,061 INFO L87 Difference]: Start difference. First operand 1123 states and 2012 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:30,628 INFO L93 Difference]: Finished difference Result 1209 states and 2138 transitions. [2022-02-10 23:47:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:30,629 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:30,630 INFO L225 Difference]: With dead ends: 1209 [2022-02-10 23:47:30,630 INFO L226 Difference]: Without dead ends: 1180 [2022-02-10 23:47:30,630 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:30,630 INFO L934 BasicCegarLoop]: 149 mSDtfsCounter, 165 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:30,631 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 594 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:30,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2022-02-10 23:47:30,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1122. [2022-02-10 23:47:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1115 states have (on average 1.8026905829596414) internal successors, (2010), 1121 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2010 transitions. [2022-02-10 23:47:30,639 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2010 transitions. Word has length 116 [2022-02-10 23:47:30,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:30,639 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 2010 transitions. [2022-02-10 23:47:30,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2010 transitions. [2022-02-10 23:47:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:30,640 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:30,640 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:30,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-02-10 23:47:30,641 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:30,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:30,641 INFO L85 PathProgramCache]: Analyzing trace with hash 373201338, now seen corresponding path program 5 times [2022-02-10 23:47:30,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:30,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168977249] [2022-02-10 23:47:30,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:30,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:31,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:31,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168977249] [2022-02-10 23:47:31,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168977249] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:31,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:31,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:31,557 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676052625] [2022-02-10 23:47:31,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:31,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:31,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:31,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:31,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:31,557 INFO L87 Difference]: Start difference. First operand 1122 states and 2010 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:32,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:32,088 INFO L93 Difference]: Finished difference Result 1178 states and 2101 transitions. [2022-02-10 23:47:32,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:32,088 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 [2022-02-10 23:47:32,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:32,089 INFO L225 Difference]: With dead ends: 1178 [2022-02-10 23:47:32,089 INFO L226 Difference]: Without dead ends: 1150 [2022-02-10 23:47:32,090 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:47:32,090 INFO L934 BasicCegarLoop]: 167 mSDtfsCounter, 164 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:32,090 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 774 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-02-10 23:47:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1101. [2022-02-10 23:47:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1094 states have (on average 1.8162705667276051) internal successors, (1987), 1100 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1987 transitions. [2022-02-10 23:47:32,099 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1987 transitions. Word has length 116 [2022-02-10 23:47:32,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:32,099 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 1987 transitions. [2022-02-10 23:47:32,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1987 transitions. [2022-02-10 23:47:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:32,100 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:32,100 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:32,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-02-10 23:47:32,100 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:32,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:32,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1361553491, now seen corresponding path program 13 times [2022-02-10 23:47:32,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:32,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753110190] [2022-02-10 23:47:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:32,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:32,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753110190] [2022-02-10 23:47:32,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753110190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:32,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:32,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:32,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499621739] [2022-02-10 23:47:32,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:32,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:32,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:32,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:32,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:32,456 INFO L87 Difference]: Start difference. First operand 1101 states and 1987 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:32,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:32,915 INFO L93 Difference]: Finished difference Result 1380 states and 2424 transitions. [2022-02-10 23:47:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:32,915 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:32,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:32,917 INFO L225 Difference]: With dead ends: 1380 [2022-02-10 23:47:32,917 INFO L226 Difference]: Without dead ends: 1346 [2022-02-10 23:47:32,917 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:47:32,917 INFO L934 BasicCegarLoop]: 158 mSDtfsCounter, 181 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:32,917 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 619 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:32,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-02-10 23:47:32,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1105. [2022-02-10 23:47:32,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1098 states have (on average 1.8169398907103824) internal successors, (1995), 1104 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1995 transitions. [2022-02-10 23:47:32,926 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1995 transitions. Word has length 116 [2022-02-10 23:47:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:32,926 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 1995 transitions. [2022-02-10 23:47:32,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1995 transitions. [2022-02-10 23:47:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:32,927 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:32,927 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:32,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-02-10 23:47:32,927 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:32,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash 768690285, now seen corresponding path program 14 times [2022-02-10 23:47:32,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:32,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224188124] [2022-02-10 23:47:32,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:32,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:33,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:33,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224188124] [2022-02-10 23:47:33,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224188124] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:33,384 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:33,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:33,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160761936] [2022-02-10 23:47:33,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:33,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:33,384 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:33,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:33,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:33,385 INFO L87 Difference]: Start difference. First operand 1105 states and 1995 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:33,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:33,805 INFO L93 Difference]: Finished difference Result 1308 states and 2301 transitions. [2022-02-10 23:47:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:33,805 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:33,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:33,807 INFO L225 Difference]: With dead ends: 1308 [2022-02-10 23:47:33,807 INFO L226 Difference]: Without dead ends: 1282 [2022-02-10 23:47:33,807 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:47:33,807 INFO L934 BasicCegarLoop]: 158 mSDtfsCounter, 187 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:33,808 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 471 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-02-10 23:47:33,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1108. [2022-02-10 23:47:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1101 states have (on average 1.8174386920980927) internal successors, (2001), 1107 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2001 transitions. [2022-02-10 23:47:33,818 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2001 transitions. Word has length 116 [2022-02-10 23:47:33,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:33,818 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 2001 transitions. [2022-02-10 23:47:33,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2001 transitions. [2022-02-10 23:47:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:33,819 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:33,819 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:33,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-02-10 23:47:33,819 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:33,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:33,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1311686897, now seen corresponding path program 15 times [2022-02-10 23:47:33,819 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:33,820 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638607879] [2022-02-10 23:47:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:33,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:34,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:34,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638607879] [2022-02-10 23:47:34,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638607879] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:34,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:34,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:47:34,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920199961] [2022-02-10 23:47:34,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:34,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:47:34,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:34,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:47:34,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:34,607 INFO L87 Difference]: Start difference. First operand 1108 states and 2001 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:35,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:35,471 INFO L93 Difference]: Finished difference Result 1383 states and 2452 transitions. [2022-02-10 23:47:35,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:47:35,471 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:35,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:35,473 INFO L225 Difference]: With dead ends: 1383 [2022-02-10 23:47:35,473 INFO L226 Difference]: Without dead ends: 1308 [2022-02-10 23:47:35,473 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-02-10 23:47:35,473 INFO L934 BasicCegarLoop]: 148 mSDtfsCounter, 155 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:35,473 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 638 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:35,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-02-10 23:47:35,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1117. [2022-02-10 23:47:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1110 states have (on average 1.818018018018018) internal successors, (2018), 1116 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 2018 transitions. [2022-02-10 23:47:35,482 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 2018 transitions. Word has length 116 [2022-02-10 23:47:35,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:35,482 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 2018 transitions. [2022-02-10 23:47:35,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2018 transitions. [2022-02-10 23:47:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:35,483 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:35,483 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:35,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-02-10 23:47:35,483 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:35,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1056090421, now seen corresponding path program 16 times [2022-02-10 23:47:35,483 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:35,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631076643] [2022-02-10 23:47:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:35,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:36,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:36,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631076643] [2022-02-10 23:47:36,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631076643] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:36,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:36,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:36,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327004349] [2022-02-10 23:47:36,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:36,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:36,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:36,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:36,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:36,044 INFO L87 Difference]: Start difference. First operand 1117 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:36,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:36,657 INFO L93 Difference]: Finished difference Result 1402 states and 2464 transitions. [2022-02-10 23:47:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:47:36,657 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:36,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:36,658 INFO L225 Difference]: With dead ends: 1402 [2022-02-10 23:47:36,658 INFO L226 Difference]: Without dead ends: 1327 [2022-02-10 23:47:36,658 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:47:36,659 INFO L934 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:36,659 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 652 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:36,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2022-02-10 23:47:36,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1118. [2022-02-10 23:47:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1111 states have (on average 1.8172817281728173) internal successors, (2019), 1117 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 2019 transitions. [2022-02-10 23:47:36,667 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 2019 transitions. Word has length 116 [2022-02-10 23:47:36,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:36,668 INFO L470 AbstractCegarLoop]: Abstraction has 1118 states and 2019 transitions. [2022-02-10 23:47:36,668 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) [2022-02-10 23:47:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 2019 transitions. [2022-02-10 23:47:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:36,668 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:36,669 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:36,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-02-10 23:47:36,669 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:36,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:36,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1970929461, now seen corresponding path program 17 times [2022-02-10 23:47:36,669 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:36,669 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453460962] [2022-02-10 23:47:36,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:36,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:37,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:37,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453460962] [2022-02-10 23:47:37,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453460962] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:37,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:37,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:37,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712384874] [2022-02-10 23:47:37,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:37,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:37,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:37,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:37,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:37,426 INFO L87 Difference]: Start difference. First operand 1118 states and 2019 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:38,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:38,166 INFO L93 Difference]: Finished difference Result 1308 states and 2305 transitions. [2022-02-10 23:47:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 23:47:38,167 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:38,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:38,168 INFO L225 Difference]: With dead ends: 1308 [2022-02-10 23:47:38,168 INFO L226 Difference]: Without dead ends: 1282 [2022-02-10 23:47:38,168 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-10 23:47:38,168 INFO L934 BasicCegarLoop]: 162 mSDtfsCounter, 183 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:38,169 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 608 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:38,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-02-10 23:47:38,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1119. [2022-02-10 23:47:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1112 states have (on average 1.816546762589928) internal successors, (2020), 1118 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2020 transitions. [2022-02-10 23:47:38,177 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2020 transitions. Word has length 116 [2022-02-10 23:47:38,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:38,178 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2020 transitions. [2022-02-10 23:47:38,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2020 transitions. [2022-02-10 23:47:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:38,179 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:38,179 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:38,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-02-10 23:47:38,179 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:38,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:38,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2084540151, now seen corresponding path program 18 times [2022-02-10 23:47:38,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:38,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753099619] [2022-02-10 23:47:38,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:38,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:38,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:38,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753099619] [2022-02-10 23:47:38,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753099619] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:38,949 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:38,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:38,949 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376133687] [2022-02-10 23:47:38,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:38,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:38,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:38,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:38,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:38,950 INFO L87 Difference]: Start difference. First operand 1119 states and 2020 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:39,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:39,642 INFO L93 Difference]: Finished difference Result 1310 states and 2308 transitions. [2022-02-10 23:47:39,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:47:39,643 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:39,644 INFO L225 Difference]: With dead ends: 1310 [2022-02-10 23:47:39,644 INFO L226 Difference]: Without dead ends: 1257 [2022-02-10 23:47:39,644 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:47:39,644 INFO L934 BasicCegarLoop]: 164 mSDtfsCounter, 155 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:39,644 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 668 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:39,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2022-02-10 23:47:39,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1116. [2022-02-10 23:47:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1109 states have (on average 1.8169522091974752) internal successors, (2015), 1115 states have internal predecessors, (2015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2015 transitions. [2022-02-10 23:47:39,653 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2015 transitions. Word has length 116 [2022-02-10 23:47:39,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:39,653 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 2015 transitions. [2022-02-10 23:47:39,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2015 transitions. [2022-02-10 23:47:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:39,654 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:39,654 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:39,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-02-10 23:47:39,654 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:39,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:39,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1641324963, now seen corresponding path program 19 times [2022-02-10 23:47:39,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:39,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812626763] [2022-02-10 23:47:39,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:39,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:40,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:40,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812626763] [2022-02-10 23:47:40,112 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812626763] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:40,112 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:40,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:40,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135698459] [2022-02-10 23:47:40,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:40,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:40,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:40,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:40,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:40,113 INFO L87 Difference]: Start difference. First operand 1116 states and 2015 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:40,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:40,627 INFO L93 Difference]: Finished difference Result 1279 states and 2267 transitions. [2022-02-10 23:47:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:40,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:40,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:40,628 INFO L225 Difference]: With dead ends: 1279 [2022-02-10 23:47:40,628 INFO L226 Difference]: Without dead ends: 1204 [2022-02-10 23:47:40,628 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:47:40,629 INFO L934 BasicCegarLoop]: 170 mSDtfsCounter, 188 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:40,629 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 729 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:40,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-02-10 23:47:40,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1098. [2022-02-10 23:47:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1091 states have (on average 1.8130155820348304) internal successors, (1978), 1097 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1978 transitions. [2022-02-10 23:47:40,637 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1978 transitions. Word has length 116 [2022-02-10 23:47:40,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:40,637 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 1978 transitions. [2022-02-10 23:47:40,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1978 transitions. [2022-02-10 23:47:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:40,638 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:40,638 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:40,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-02-10 23:47:40,638 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:40,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:40,639 INFO L85 PathProgramCache]: Analyzing trace with hash 726485923, now seen corresponding path program 20 times [2022-02-10 23:47:40,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:40,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130655187] [2022-02-10 23:47:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:40,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:41,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:41,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130655187] [2022-02-10 23:47:41,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130655187] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:41,290 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:41,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:41,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631883816] [2022-02-10 23:47:41,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:41,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:41,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:41,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:41,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:41,291 INFO L87 Difference]: Start difference. First operand 1098 states and 1978 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:41,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:41,936 INFO L93 Difference]: Finished difference Result 1279 states and 2251 transitions. [2022-02-10 23:47:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:47:41,937 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 [2022-02-10 23:47:41,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:41,938 INFO L225 Difference]: With dead ends: 1279 [2022-02-10 23:47:41,938 INFO L226 Difference]: Without dead ends: 1253 [2022-02-10 23:47:41,938 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:47:41,938 INFO L934 BasicCegarLoop]: 165 mSDtfsCounter, 189 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:41,939 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 610 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-02-10 23:47:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1099. [2022-02-10 23:47:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1092 states have (on average 1.8122710622710623) internal successors, (1979), 1098 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1979 transitions. [2022-02-10 23:47:41,948 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1979 transitions. Word has length 116 [2022-02-10 23:47:41,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:41,948 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 1979 transitions. [2022-02-10 23:47:41,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1979 transitions. [2022-02-10 23:47:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:41,949 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:41,949 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:41,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-02-10 23:47:41,949 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:41,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:41,949 INFO L85 PathProgramCache]: Analyzing trace with hash 612875233, now seen corresponding path program 21 times [2022-02-10 23:47:41,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:41,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269759385] [2022-02-10 23:47:41,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:41,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:42,864 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:42,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269759385] [2022-02-10 23:47:42,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269759385] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:42,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:42,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:47:42,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438840230] [2022-02-10 23:47:42,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:42,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:47:42,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:42,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:47:42,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:42,865 INFO L87 Difference]: Start difference. First operand 1099 states and 1979 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:43,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:43,627 INFO L93 Difference]: Finished difference Result 1237 states and 2191 transitions. [2022-02-10 23:47:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:43,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:43,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:43,629 INFO L225 Difference]: With dead ends: 1237 [2022-02-10 23:47:43,629 INFO L226 Difference]: Without dead ends: 1212 [2022-02-10 23:47:43,629 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:43,630 INFO L934 BasicCegarLoop]: 153 mSDtfsCounter, 134 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:43,630 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 713 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:43,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-02-10 23:47:43,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1112. [2022-02-10 23:47:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1105 states have (on average 1.8099547511312217) internal successors, (2000), 1111 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2000 transitions. [2022-02-10 23:47:43,638 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2000 transitions. Word has length 116 [2022-02-10 23:47:43,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:43,638 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2000 transitions. [2022-02-10 23:47:43,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2000 transitions. [2022-02-10 23:47:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:43,639 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:43,639 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:43,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-02-10 23:47:43,639 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:43,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1476171673, now seen corresponding path program 22 times [2022-02-10 23:47:43,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:43,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185460047] [2022-02-10 23:47:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:43,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:44,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:44,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185460047] [2022-02-10 23:47:44,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185460047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:44,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:44,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:44,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438897367] [2022-02-10 23:47:44,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:44,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:44,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:44,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:44,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:44,183 INFO L87 Difference]: Start difference. First operand 1112 states and 2000 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:44,753 INFO L93 Difference]: Finished difference Result 1259 states and 2227 transitions. [2022-02-10 23:47:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:44,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:44,755 INFO L225 Difference]: With dead ends: 1259 [2022-02-10 23:47:44,755 INFO L226 Difference]: Without dead ends: 1202 [2022-02-10 23:47:44,755 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:47:44,756 INFO L934 BasicCegarLoop]: 167 mSDtfsCounter, 159 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:44,756 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 718 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-02-10 23:47:44,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1097. [2022-02-10 23:47:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1090 states have (on average 1.8128440366972478) internal successors, (1976), 1096 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1976 transitions. [2022-02-10 23:47:44,764 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1976 transitions. Word has length 116 [2022-02-10 23:47:44,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:44,764 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 1976 transitions. [2022-02-10 23:47:44,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1976 transitions. [2022-02-10 23:47:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:44,765 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:44,766 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:44,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-02-10 23:47:44,766 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:44,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:44,766 INFO L85 PathProgramCache]: Analyzing trace with hash 332467701, now seen corresponding path program 23 times [2022-02-10 23:47:44,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:44,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052327764] [2022-02-10 23:47:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:44,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:45,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:45,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052327764] [2022-02-10 23:47:45,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052327764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:45,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:45,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:45,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125509145] [2022-02-10 23:47:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:45,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:45,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:45,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:45,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:45,227 INFO L87 Difference]: Start difference. First operand 1097 states and 1976 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:45,657 INFO L93 Difference]: Finished difference Result 1180 states and 2098 transitions. [2022-02-10 23:47:45,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:47:45,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:45,659 INFO L225 Difference]: With dead ends: 1180 [2022-02-10 23:47:45,659 INFO L226 Difference]: Without dead ends: 1143 [2022-02-10 23:47:45,659 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:47:45,659 INFO L934 BasicCegarLoop]: 184 mSDtfsCounter, 226 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:45,659 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 648 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2022-02-10 23:47:45,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1086. [2022-02-10 23:47:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8109360518999074) internal successors, (1954), 1085 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1954 transitions. [2022-02-10 23:47:45,667 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1954 transitions. Word has length 116 [2022-02-10 23:47:45,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:45,667 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1954 transitions. [2022-02-10 23:47:45,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1954 transitions. [2022-02-10 23:47:45,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:45,668 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:45,668 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:45,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-02-10 23:47:45,668 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:45,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:45,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1527989333, now seen corresponding path program 24 times [2022-02-10 23:47:45,669 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:45,669 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829530769] [2022-02-10 23:47:45,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:45,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:46,247 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:46,247 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829530769] [2022-02-10 23:47:46,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829530769] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:46,247 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:46,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:46,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470580813] [2022-02-10 23:47:46,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:46,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:46,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:46,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:46,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:46,248 INFO L87 Difference]: Start difference. First operand 1086 states and 1954 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:46,921 INFO L93 Difference]: Finished difference Result 1208 states and 2132 transitions. [2022-02-10 23:47:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 23:47:46,921 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:46,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:46,923 INFO L225 Difference]: With dead ends: 1208 [2022-02-10 23:47:46,923 INFO L226 Difference]: Without dead ends: 1182 [2022-02-10 23:47:46,923 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:47:46,923 INFO L934 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, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:46,923 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 783 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:47:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-02-10 23:47:46,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1086. [2022-02-10 23:47:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8100092678405932) internal successors, (1953), 1085 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:46,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1953 transitions. [2022-02-10 23:47:46,931 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1953 transitions. Word has length 116 [2022-02-10 23:47:46,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:46,932 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1953 transitions. [2022-02-10 23:47:46,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:46,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1953 transitions. [2022-02-10 23:47:46,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:46,933 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:46,933 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:46,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-02-10 23:47:46,933 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:46,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:46,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1414378643, now seen corresponding path program 25 times [2022-02-10 23:47:46,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:46,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055001105] [2022-02-10 23:47:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:47,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:47,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055001105] [2022-02-10 23:47:47,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055001105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:47,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:47,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:47:47,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581357251] [2022-02-10 23:47:47,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:47,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:47:47,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:47,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:47:47,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:47,902 INFO L87 Difference]: Start difference. First operand 1086 states and 1953 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:48,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:48,530 INFO L93 Difference]: Finished difference Result 1206 states and 2134 transitions. [2022-02-10 23:47:48,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:48,531 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 [2022-02-10 23:47:48,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:48,532 INFO L225 Difference]: With dead ends: 1206 [2022-02-10 23:47:48,532 INFO L226 Difference]: Without dead ends: 1181 [2022-02-10 23:47:48,532 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:47:48,532 INFO L934 BasicCegarLoop]: 167 mSDtfsCounter, 143 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:48,532 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 696 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:48,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2022-02-10 23:47:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1106. [2022-02-10 23:47:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1099 states have (on average 1.8016378525932666) internal successors, (1980), 1105 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1980 transitions. [2022-02-10 23:47:48,543 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1980 transitions. Word has length 116 [2022-02-10 23:47:48,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:48,544 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1980 transitions. [2022-02-10 23:47:48,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1980 transitions. [2022-02-10 23:47:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:48,545 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:48,545 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:48,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-02-10 23:47:48,545 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:48,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:48,546 INFO L85 PathProgramCache]: Analyzing trace with hash -674668263, now seen corresponding path program 26 times [2022-02-10 23:47:48,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:48,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213751162] [2022-02-10 23:47:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:48,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:49,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:49,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213751162] [2022-02-10 23:47:49,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213751162] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:49,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:49,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:49,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87308418] [2022-02-10 23:47:49,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:49,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:49,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:49,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:49,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:49,015 INFO L87 Difference]: Start difference. First operand 1106 states and 1980 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:49,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:49,484 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2022-02-10 23:47:49,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:49,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:49,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:49,486 INFO L225 Difference]: With dead ends: 1195 [2022-02-10 23:47:49,486 INFO L226 Difference]: Without dead ends: 1006 [2022-02-10 23:47:49,486 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:47:49,486 INFO L934 BasicCegarLoop]: 180 mSDtfsCounter, 189 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:49,486 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 665 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:49,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2022-02-10 23:47:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 949. [2022-02-10 23:47:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 942 states have (on average 1.7770700636942676) internal successors, (1674), 948 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1674 transitions. [2022-02-10 23:47:49,493 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1674 transitions. Word has length 116 [2022-02-10 23:47:49,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:49,494 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1674 transitions. [2022-02-10 23:47:49,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1674 transitions. [2022-02-10 23:47:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:49,495 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:49,495 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:49,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-02-10 23:47:49,496 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:49,496 INFO L85 PathProgramCache]: Analyzing trace with hash 15870440, now seen corresponding path program 6 times [2022-02-10 23:47:49,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:49,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808902234] [2022-02-10 23:47:49,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:49,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:50,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:50,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808902234] [2022-02-10 23:47:50,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808902234] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:50,022 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:50,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:50,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548827632] [2022-02-10 23:47:50,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:50,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:50,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:50,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:50,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:50,023 INFO L87 Difference]: Start difference. First operand 949 states and 1674 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:50,485 INFO L93 Difference]: Finished difference Result 1023 states and 1778 transitions. [2022-02-10 23:47:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:47:50,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:50,486 INFO L225 Difference]: With dead ends: 1023 [2022-02-10 23:47:50,486 INFO L226 Difference]: Without dead ends: 995 [2022-02-10 23:47:50,486 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:47:50,487 INFO L934 BasicCegarLoop]: 131 mSDtfsCounter, 232 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:50,487 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 533 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:50,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-02-10 23:47:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 867. [2022-02-10 23:47:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 861 states have (on average 1.7572590011614402) internal successors, (1513), 866 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1513 transitions. [2022-02-10 23:47:50,494 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1513 transitions. Word has length 116 [2022-02-10 23:47:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:50,494 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1513 transitions. [2022-02-10 23:47:50,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1513 transitions. [2022-02-10 23:47:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:50,495 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:50,495 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:50,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-02-10 23:47:50,496 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:50,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:50,496 INFO L85 PathProgramCache]: Analyzing trace with hash -750381012, now seen corresponding path program 5 times [2022-02-10 23:47:50,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:50,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223306595] [2022-02-10 23:47:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:50,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:50,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:50,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223306595] [2022-02-10 23:47:50,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223306595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:50,765 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:50,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:50,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632459281] [2022-02-10 23:47:50,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:50,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:50,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:50,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:50,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:50,766 INFO L87 Difference]: Start difference. First operand 867 states and 1513 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:51,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:51,117 INFO L93 Difference]: Finished difference Result 1259 states and 2166 transitions. [2022-02-10 23:47:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:51,117 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:51,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:51,119 INFO L225 Difference]: With dead ends: 1259 [2022-02-10 23:47:51,119 INFO L226 Difference]: Without dead ends: 1215 [2022-02-10 23:47:51,119 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:47:51,119 INFO L934 BasicCegarLoop]: 140 mSDtfsCounter, 252 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:51,119 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 443 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:51,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-02-10 23:47:51,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 911. [2022-02-10 23:47:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 905 states have (on average 1.7624309392265194) internal successors, (1595), 910 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1595 transitions. [2022-02-10 23:47:51,127 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1595 transitions. Word has length 116 [2022-02-10 23:47:51,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:51,127 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1595 transitions. [2022-02-10 23:47:51,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1595 transitions. [2022-02-10 23:47:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:51,128 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:51,128 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:51,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-02-10 23:47:51,128 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:51,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:51,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1454600954, now seen corresponding path program 6 times [2022-02-10 23:47:51,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:51,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194214558] [2022-02-10 23:47:51,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:51,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:51,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:51,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194214558] [2022-02-10 23:47:51,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194214558] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:51,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:51,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:51,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249482908] [2022-02-10 23:47:51,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:51,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:51,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:51,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:51,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:51,502 INFO L87 Difference]: Start difference. First operand 911 states and 1595 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:51,878 INFO L93 Difference]: Finished difference Result 1170 states and 2007 transitions. [2022-02-10 23:47:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:51,879 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:51,880 INFO L225 Difference]: With dead ends: 1170 [2022-02-10 23:47:51,880 INFO L226 Difference]: Without dead ends: 1137 [2022-02-10 23:47:51,880 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:47:51,880 INFO L934 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, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:51,880 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 499 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:51,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-02-10 23:47:51,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 906. [2022-02-10 23:47:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 900 states have (on average 1.76) internal successors, (1584), 905 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1584 transitions. [2022-02-10 23:47:51,888 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1584 transitions. Word has length 116 [2022-02-10 23:47:51,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:51,888 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1584 transitions. [2022-02-10 23:47:51,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1584 transitions. [2022-02-10 23:47:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:51,889 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:51,889 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:51,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-02-10 23:47:51,889 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:51,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:51,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2062312812, now seen corresponding path program 7 times [2022-02-10 23:47:51,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:51,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627312918] [2022-02-10 23:47:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:51,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:52,321 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:52,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627312918] [2022-02-10 23:47:52,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627312918] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:52,321 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:52,321 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:52,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916786927] [2022-02-10 23:47:52,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:52,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:52,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:52,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:52,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:52,322 INFO L87 Difference]: Start difference. First operand 906 states and 1584 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:52,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:52,711 INFO L93 Difference]: Finished difference Result 1054 states and 1792 transitions. [2022-02-10 23:47:52,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:52,712 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:52,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:52,712 INFO L225 Difference]: With dead ends: 1054 [2022-02-10 23:47:52,713 INFO L226 Difference]: Without dead ends: 1025 [2022-02-10 23:47:52,713 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:47:52,713 INFO L934 BasicCegarLoop]: 122 mSDtfsCounter, 249 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:52,713 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 396 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:52,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2022-02-10 23:47:52,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 902. [2022-02-10 23:47:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 896 states have (on average 1.7566964285714286) internal successors, (1574), 901 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1574 transitions. [2022-02-10 23:47:52,720 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1574 transitions. Word has length 116 [2022-02-10 23:47:52,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:52,720 INFO L470 AbstractCegarLoop]: Abstraction has 902 states and 1574 transitions. [2022-02-10 23:47:52,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1574 transitions. [2022-02-10 23:47:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:52,721 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:52,721 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:52,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2022-02-10 23:47:52,721 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:52,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:52,721 INFO L85 PathProgramCache]: Analyzing trace with hash -81825274, now seen corresponding path program 8 times [2022-02-10 23:47:52,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:52,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175563518] [2022-02-10 23:47:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:52,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:53,241 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:53,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175563518] [2022-02-10 23:47:53,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175563518] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:53,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:53,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:53,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931531572] [2022-02-10 23:47:53,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:53,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:53,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:53,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:53,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:53,242 INFO L87 Difference]: Start difference. First operand 902 states and 1574 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:53,688 INFO L93 Difference]: Finished difference Result 974 states and 1659 transitions. [2022-02-10 23:47:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:53,688 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:53,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:53,689 INFO L225 Difference]: With dead ends: 974 [2022-02-10 23:47:53,689 INFO L226 Difference]: Without dead ends: 932 [2022-02-10 23:47:53,689 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:47:53,689 INFO L934 BasicCegarLoop]: 113 mSDtfsCounter, 215 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:53,690 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 435 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:53,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-02-10 23:47:53,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 871. [2022-02-10 23:47:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 865 states have (on average 1.7526011560693642) internal successors, (1516), 870 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1516 transitions. [2022-02-10 23:47:53,697 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1516 transitions. Word has length 116 [2022-02-10 23:47:53,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:53,697 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1516 transitions. [2022-02-10 23:47:53,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1516 transitions. [2022-02-10 23:47:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:53,698 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:53,698 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:53,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2022-02-10 23:47:53,698 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:53,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:53,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1021691445, now seen corresponding path program 27 times [2022-02-10 23:47:53,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:53,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798358614] [2022-02-10 23:47:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:53,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:54,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:54,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798358614] [2022-02-10 23:47:54,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798358614] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:54,019 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:54,019 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:47:54,019 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149361709] [2022-02-10 23:47:54,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:54,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:47:54,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:54,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:47:54,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:54,019 INFO L87 Difference]: Start difference. First operand 871 states and 1516 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:54,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:54,398 INFO L93 Difference]: Finished difference Result 1214 states and 2069 transitions. [2022-02-10 23:47:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:54,398 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:54,400 INFO L225 Difference]: With dead ends: 1214 [2022-02-10 23:47:54,400 INFO L226 Difference]: Without dead ends: 1162 [2022-02-10 23:47:54,400 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:54,400 INFO L934 BasicCegarLoop]: 135 mSDtfsCounter, 270 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:54,400 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 505 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:54,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2022-02-10 23:47:54,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 874. [2022-02-10 23:47:54,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 869 states have (on average 1.7422324510932106) internal successors, (1514), 873 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1514 transitions. [2022-02-10 23:47:54,407 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1514 transitions. Word has length 116 [2022-02-10 23:47:54,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:54,407 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1514 transitions. [2022-02-10 23:47:54,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1514 transitions. [2022-02-10 23:47:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:54,408 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:54,408 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:54,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2022-02-10 23:47:54,408 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:54,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:54,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2022468937, now seen corresponding path program 28 times [2022-02-10 23:47:54,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:54,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051965011] [2022-02-10 23:47:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:54,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:54,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051965011] [2022-02-10 23:47:54,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051965011] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:54,771 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:54,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:54,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014022541] [2022-02-10 23:47:54,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:54,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:54,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:54,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:54,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:54,772 INFO L87 Difference]: Start difference. First operand 874 states and 1514 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:55,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:55,045 INFO L93 Difference]: Finished difference Result 1106 states and 1868 transitions. [2022-02-10 23:47:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:47:55,046 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:55,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:55,047 INFO L225 Difference]: With dead ends: 1106 [2022-02-10 23:47:55,047 INFO L226 Difference]: Without dead ends: 1052 [2022-02-10 23:47:55,047 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:55,047 INFO L934 BasicCegarLoop]: 131 mSDtfsCounter, 223 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:55,047 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 390 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-02-10 23:47:55,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 858. [2022-02-10 23:47:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 853 states have (on average 1.7373974208675265) internal successors, (1482), 857 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1482 transitions. [2022-02-10 23:47:55,054 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1482 transitions. Word has length 116 [2022-02-10 23:47:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:55,054 INFO L470 AbstractCegarLoop]: Abstraction has 858 states and 1482 transitions. [2022-02-10 23:47:55,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1482 transitions. [2022-02-10 23:47:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:55,055 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:55,055 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:55,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2022-02-10 23:47:55,055 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:55,056 INFO L85 PathProgramCache]: Analyzing trace with hash 905058123, now seen corresponding path program 29 times [2022-02-10 23:47:55,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:55,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240818745] [2022-02-10 23:47:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:55,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:55,496 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:55,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240818745] [2022-02-10 23:47:55,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240818745] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:55,497 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:55,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:55,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371554324] [2022-02-10 23:47:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:55,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:55,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:55,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:55,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:55,497 INFO L87 Difference]: Start difference. First operand 858 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:55,840 INFO L93 Difference]: Finished difference Result 992 states and 1665 transitions. [2022-02-10 23:47:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:47:55,840 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:55,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:55,841 INFO L225 Difference]: With dead ends: 992 [2022-02-10 23:47:55,841 INFO L226 Difference]: Without dead ends: 946 [2022-02-10 23:47:55,841 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:55,841 INFO L934 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 [2022-02-10 23:47:55,841 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 400 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:47:55,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-02-10 23:47:55,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 795. [2022-02-10 23:47:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 791 states have (on average 1.718078381795196) internal successors, (1359), 794 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1359 transitions. [2022-02-10 23:47:55,848 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1359 transitions. Word has length 116 [2022-02-10 23:47:55,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:55,848 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1359 transitions. [2022-02-10 23:47:55,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1359 transitions. [2022-02-10 23:47:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:55,848 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:55,849 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:55,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2022-02-10 23:47:55,849 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:55,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:55,849 INFO L85 PathProgramCache]: Analyzing trace with hash -220334135, now seen corresponding path program 30 times [2022-02-10 23:47:55,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:55,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736626356] [2022-02-10 23:47:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:55,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:56,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:56,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736626356] [2022-02-10 23:47:56,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736626356] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:56,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:56,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:47:56,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771167402] [2022-02-10 23:47:56,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:56,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:47:56,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:56,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:47:56,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:47:56,531 INFO L87 Difference]: Start difference. First operand 795 states and 1359 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:57,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:57,302 INFO L93 Difference]: Finished difference Result 911 states and 1527 transitions. [2022-02-10 23:47:57,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 23:47:57,302 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:57,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:57,303 INFO L225 Difference]: With dead ends: 911 [2022-02-10 23:47:57,303 INFO L226 Difference]: Without dead ends: 659 [2022-02-10 23:47:57,303 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-02-10 23:47:57,303 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 208 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:57,303 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 447 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:47:57,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-02-10 23:47:57,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 614. [2022-02-10 23:47:57,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 610 states have (on average 1.5852459016393443) internal successors, (967), 613 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:57,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 967 transitions. [2022-02-10 23:47:57,307 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 967 transitions. Word has length 116 [2022-02-10 23:47:57,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:57,308 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 967 transitions. [2022-02-10 23:47:57,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:57,308 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 967 transitions. [2022-02-10 23:47:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:57,308 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:57,308 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:57,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2022-02-10 23:47:57,308 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:57,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:57,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1669765944, now seen corresponding path program 1 times [2022-02-10 23:47:57,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:57,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909650302] [2022-02-10 23:47:57,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:57,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:57,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:57,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909650302] [2022-02-10 23:47:57,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909650302] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:57,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:57,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:57,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99169786] [2022-02-10 23:47:57,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:57,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:57,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:57,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:57,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:57,980 INFO L87 Difference]: Start difference. First operand 614 states and 967 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:58,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:58,457 INFO L93 Difference]: Finished difference Result 668 states and 1038 transitions. [2022-02-10 23:47:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:58,458 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:58,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:58,458 INFO L225 Difference]: With dead ends: 668 [2022-02-10 23:47:58,458 INFO L226 Difference]: Without dead ends: 616 [2022-02-10 23:47:58,458 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-10 23:47:58,459 INFO L934 BasicCegarLoop]: 106 mSDtfsCounter, 204 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:58,459 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 371 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:47:58,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-02-10 23:47:58,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 588. [2022-02-10 23:47:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 584 states have (on average 1.5667808219178083) internal successors, (915), 587 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 915 transitions. [2022-02-10 23:47:58,463 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 915 transitions. Word has length 116 [2022-02-10 23:47:58,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:58,463 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 915 transitions. [2022-02-10 23:47:58,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 915 transitions. [2022-02-10 23:47:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:58,464 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:58,464 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:58,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2022-02-10 23:47:58,464 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:58,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:58,464 INFO L85 PathProgramCache]: Analyzing trace with hash -194600416, now seen corresponding path program 2 times [2022-02-10 23:47:58,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:58,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639595630] [2022-02-10 23:47:58,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:58,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:47:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:47:59,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:47:59,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639595630] [2022-02-10 23:47:59,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639595630] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:47:59,160 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:47:59,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:47:59,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918559761] [2022-02-10 23:47:59,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:47:59,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:47:59,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:47:59,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:47:59,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:47:59,161 INFO L87 Difference]: Start difference. First operand 588 states and 915 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:47:59,716 INFO L93 Difference]: Finished difference Result 604 states and 938 transitions. [2022-02-10 23:47:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:47:59,717 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:47:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:47:59,717 INFO L225 Difference]: With dead ends: 604 [2022-02-10 23:47:59,718 INFO L226 Difference]: Without dead ends: 578 [2022-02-10 23:47:59,718 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:47:59,718 INFO L934 BasicCegarLoop]: 96 mSDtfsCounter, 150 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:47:59,718 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 431 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:47:59,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-02-10 23:47:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 550. [2022-02-10 23:47:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 547 states have (on average 1.583180987202925) internal successors, (866), 549 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 866 transitions. [2022-02-10 23:47:59,722 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 866 transitions. Word has length 116 [2022-02-10 23:47:59,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:47:59,722 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 866 transitions. [2022-02-10 23:47:59,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:47:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 866 transitions. [2022-02-10 23:47:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:47:59,723 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:47:59,723 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:47:59,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2022-02-10 23:47:59,723 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:47:59,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:47:59,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2083730738, now seen corresponding path program 9 times [2022-02-10 23:47:59,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:47:59,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694490352] [2022-02-10 23:47:59,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:47:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:47:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:00,323 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:00,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:00,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694490352] [2022-02-10 23:48:00,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694490352] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:00,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:00,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:00,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872029542] [2022-02-10 23:48:00,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:00,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:00,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:00,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:00,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:00,325 INFO L87 Difference]: Start difference. First operand 550 states and 866 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:01,023 INFO L93 Difference]: Finished difference Result 588 states and 912 transitions. [2022-02-10 23:48:01,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:48:01,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:01,024 INFO L225 Difference]: With dead ends: 588 [2022-02-10 23:48:01,024 INFO L226 Difference]: Without dead ends: 559 [2022-02-10 23:48:01,024 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:48:01,024 INFO L934 BasicCegarLoop]: 118 mSDtfsCounter, 181 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:01,025 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 549 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 23:48:01,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-02-10 23:48:01,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2022-02-10 23:48:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 544 states have (on average 1.5808823529411764) internal successors, (860), 546 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 860 transitions. [2022-02-10 23:48:01,029 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 860 transitions. Word has length 116 [2022-02-10 23:48:01,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:01,029 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 860 transitions. [2022-02-10 23:48:01,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 860 transitions. [2022-02-10 23:48:01,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:01,029 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:01,029 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:01,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2022-02-10 23:48:01,030 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:01,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:01,030 INFO L85 PathProgramCache]: Analyzing trace with hash -393448680, now seen corresponding path program 10 times [2022-02-10 23:48:01,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:01,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126591152] [2022-02-10 23:48:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:01,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:01,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:01,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126591152] [2022-02-10 23:48:01,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126591152] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:01,947 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:01,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-10 23:48:01,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768985915] [2022-02-10 23:48:01,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:01,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-10 23:48:01,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:01,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-10 23:48:01,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-02-10 23:48:01,948 INFO L87 Difference]: Start difference. First operand 547 states and 860 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:03,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:03,486 INFO L93 Difference]: Finished difference Result 611 states and 957 transitions. [2022-02-10 23:48:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-10 23:48:03,487 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:03,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:03,487 INFO L225 Difference]: With dead ends: 611 [2022-02-10 23:48:03,487 INFO L226 Difference]: Without dead ends: 556 [2022-02-10 23:48:03,488 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=328, Invalid=1154, Unknown=0, NotChecked=0, Total=1482 [2022-02-10 23:48:03,488 INFO L934 BasicCegarLoop]: 112 mSDtfsCounter, 566 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:03,488 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [566 Valid, 886 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 23:48:03,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-02-10 23:48:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 544. [2022-02-10 23:48:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 541 states have (on average 1.578558225508318) internal successors, (854), 543 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 854 transitions. [2022-02-10 23:48:03,492 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 854 transitions. Word has length 116 [2022-02-10 23:48:03,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:03,492 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 854 transitions. [2022-02-10 23:48:03,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 854 transitions. [2022-02-10 23:48:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:03,493 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:03,493 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:03,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2022-02-10 23:48:03,493 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:03,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:03,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1734341648, now seen corresponding path program 11 times [2022-02-10 23:48:03,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:03,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429383522] [2022-02-10 23:48:03,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:03,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:04,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:04,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429383522] [2022-02-10 23:48:04,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429383522] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:04,059 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:04,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:04,059 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037982498] [2022-02-10 23:48:04,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:04,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:04,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:04,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:04,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:04,060 INFO L87 Difference]: Start difference. First operand 544 states and 854 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:04,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:04,588 INFO L93 Difference]: Finished difference Result 634 states and 1002 transitions. [2022-02-10 23:48:04,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:48:04,589 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:04,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:04,589 INFO L225 Difference]: With dead ends: 634 [2022-02-10 23:48:04,589 INFO L226 Difference]: Without dead ends: 553 [2022-02-10 23:48:04,590 INFO L933 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 [2022-02-10 23:48:04,590 INFO L934 BasicCegarLoop]: 126 mSDtfsCounter, 177 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:04,590 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 513 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:48:04,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-02-10 23:48:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 541. [2022-02-10 23:48:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 538 states have (on average 1.5762081784386617) internal successors, (848), 540 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 848 transitions. [2022-02-10 23:48:04,594 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 848 transitions. Word has length 116 [2022-02-10 23:48:04,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:04,594 INFO L470 AbstractCegarLoop]: Abstraction has 541 states and 848 transitions. [2022-02-10 23:48:04,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:04,594 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 848 transitions. [2022-02-10 23:48:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:04,595 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:04,595 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:04,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2022-02-10 23:48:04,595 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:04,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1670894522, now seen corresponding path program 12 times [2022-02-10 23:48:04,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:04,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648422080] [2022-02-10 23:48:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:04,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:05,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:05,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648422080] [2022-02-10 23:48:05,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648422080] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:05,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:05,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:05,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061543449] [2022-02-10 23:48:05,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:05,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:05,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:05,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:05,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:05,145 INFO L87 Difference]: Start difference. First operand 541 states and 848 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:05,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:05,566 INFO L93 Difference]: Finished difference Result 533 states and 830 transitions. [2022-02-10 23:48:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:48:05,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:05,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:05,567 INFO L225 Difference]: With dead ends: 533 [2022-02-10 23:48:05,567 INFO L226 Difference]: Without dead ends: 384 [2022-02-10 23:48:05,567 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:48:05,567 INFO L934 BasicCegarLoop]: 124 mSDtfsCounter, 179 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:05,567 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 463 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:48:05,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-02-10 23:48:05,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 372. [2022-02-10 23:48:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 370 states have (on average 1.5) internal successors, (555), 371 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 555 transitions. [2022-02-10 23:48:05,570 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 555 transitions. Word has length 116 [2022-02-10 23:48:05,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:05,570 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 555 transitions. [2022-02-10 23:48:05,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 555 transitions. [2022-02-10 23:48:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:05,571 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:05,571 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:05,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2022-02-10 23:48:05,571 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:05,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:05,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1771492386, now seen corresponding path program 7 times [2022-02-10 23:48:05,571 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:05,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509909387] [2022-02-10 23:48:05,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:05,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:06,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:06,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509909387] [2022-02-10 23:48:06,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509909387] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:06,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:06,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:06,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814771154] [2022-02-10 23:48:06,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:06,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:06,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:06,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:06,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:06,714 INFO L87 Difference]: Start difference. First operand 372 states and 555 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:07,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:07,167 INFO L93 Difference]: Finished difference Result 364 states and 540 transitions. [2022-02-10 23:48:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:48:07,168 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:07,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:07,168 INFO L225 Difference]: With dead ends: 364 [2022-02-10 23:48:07,168 INFO L226 Difference]: Without dead ends: 339 [2022-02-10 23:48:07,168 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:48:07,169 INFO L934 BasicCegarLoop]: 72 mSDtfsCounter, 124 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:07,169 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 300 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:07,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-02-10 23:48:07,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-02-10 23:48:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.5236686390532543) internal successors, (515), 338 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 515 transitions. [2022-02-10 23:48:07,171 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 515 transitions. Word has length 116 [2022-02-10 23:48:07,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:07,172 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 515 transitions. [2022-02-10 23:48:07,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 515 transitions. [2022-02-10 23:48:07,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:07,172 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:07,172 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:07,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2022-02-10 23:48:07,172 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:07,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1543685139, now seen corresponding path program 31 times [2022-02-10 23:48:07,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:07,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297341796] [2022-02-10 23:48:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:07,567 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:07,567 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:07,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297341796] [2022-02-10 23:48:07,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297341796] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:07,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:07,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:07,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830600729] [2022-02-10 23:48:07,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:07,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:07,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:07,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:07,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:07,568 INFO L87 Difference]: Start difference. First operand 339 states and 515 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:08,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:08,039 INFO L93 Difference]: Finished difference Result 515 states and 781 transitions. [2022-02-10 23:48:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 23:48:08,040 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:08,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:08,040 INFO L225 Difference]: With dead ends: 515 [2022-02-10 23:48:08,040 INFO L226 Difference]: Without dead ends: 479 [2022-02-10 23:48:08,040 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2022-02-10 23:48:08,040 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 199 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:08,041 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 426 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-02-10 23:48:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 351. [2022-02-10 23:48:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.5285714285714285) internal successors, (535), 350 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 535 transitions. [2022-02-10 23:48:08,044 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 535 transitions. Word has length 116 [2022-02-10 23:48:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:08,044 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 535 transitions. [2022-02-10 23:48:08,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 535 transitions. [2022-02-10 23:48:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:08,044 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:08,044 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:08,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2022-02-10 23:48:08,044 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:08,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:08,045 INFO L85 PathProgramCache]: Analyzing trace with hash -16249973, now seen corresponding path program 32 times [2022-02-10 23:48:08,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:08,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659052456] [2022-02-10 23:48:08,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:08,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:08,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:08,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659052456] [2022-02-10 23:48:08,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659052456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:08,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:08,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:08,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073855985] [2022-02-10 23:48:08,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:08,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:08,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:08,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:08,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:08,527 INFO L87 Difference]: Start difference. First operand 351 states and 535 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:08,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:08,738 INFO L93 Difference]: Finished difference Result 559 states and 849 transitions. [2022-02-10 23:48:08,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:48:08,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:08,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:08,739 INFO L225 Difference]: With dead ends: 559 [2022-02-10 23:48:08,739 INFO L226 Difference]: Without dead ends: 525 [2022-02-10 23:48:08,739 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:08,739 INFO L934 BasicCegarLoop]: 100 mSDtfsCounter, 156 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:08,739 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 331 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-02-10 23:48:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 354. [2022-02-10 23:48:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 1.5354107648725213) internal successors, (542), 353 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 542 transitions. [2022-02-10 23:48:08,742 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 542 transitions. Word has length 116 [2022-02-10 23:48:08,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:08,743 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 542 transitions. [2022-02-10 23:48:08,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 542 transitions. [2022-02-10 23:48:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:08,743 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:08,743 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:08,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2022-02-10 23:48:08,743 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:08,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -609113179, now seen corresponding path program 33 times [2022-02-10 23:48:08,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:08,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755601735] [2022-02-10 23:48:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:09,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:09,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755601735] [2022-02-10 23:48:09,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755601735] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:09,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:09,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:09,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772273129] [2022-02-10 23:48:09,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:09,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:09,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:09,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:09,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:09,334 INFO L87 Difference]: Start difference. First operand 354 states and 542 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:09,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:09,632 INFO L93 Difference]: Finished difference Result 487 states and 726 transitions. [2022-02-10 23:48:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:48:09,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:09,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:09,633 INFO L225 Difference]: With dead ends: 487 [2022-02-10 23:48:09,633 INFO L226 Difference]: Without dead ends: 461 [2022-02-10 23:48:09,633 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:48:09,633 INFO L934 BasicCegarLoop]: 100 mSDtfsCounter, 188 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:09,633 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 296 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-02-10 23:48:09,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 314. [2022-02-10 23:48:09,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.488817891373802) internal successors, (466), 313 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:09,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 466 transitions. [2022-02-10 23:48:09,636 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 466 transitions. Word has length 116 [2022-02-10 23:48:09,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:09,636 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 466 transitions. [2022-02-10 23:48:09,636 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) [2022-02-10 23:48:09,636 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 466 transitions. [2022-02-10 23:48:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:09,637 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:09,637 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:09,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2022-02-10 23:48:09,637 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:09,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash -66116567, now seen corresponding path program 34 times [2022-02-10 23:48:09,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:09,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051428957] [2022-02-10 23:48:09,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:09,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:10,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:10,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051428957] [2022-02-10 23:48:10,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051428957] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:10,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:10,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:10,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872909596] [2022-02-10 23:48:10,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:10,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:10,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:10,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:10,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:10,298 INFO L87 Difference]: Start difference. First operand 314 states and 466 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:10,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:10,571 INFO L93 Difference]: Finished difference Result 430 states and 634 transitions. [2022-02-10 23:48:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:48:10,571 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:10,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:10,571 INFO L225 Difference]: With dead ends: 430 [2022-02-10 23:48:10,571 INFO L226 Difference]: Without dead ends: 355 [2022-02-10 23:48:10,572 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:48:10,572 INFO L934 BasicCegarLoop]: 95 mSDtfsCounter, 165 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:10,572 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 316 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:10,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-02-10 23:48:10,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 314. [2022-02-10 23:48:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.4856230031948883) internal successors, (465), 313 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 465 transitions. [2022-02-10 23:48:10,574 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 465 transitions. Word has length 116 [2022-02-10 23:48:10,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:10,574 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 465 transitions. [2022-02-10 23:48:10,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:10,575 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 465 transitions. [2022-02-10 23:48:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:10,575 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:10,575 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:10,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2022-02-10 23:48:10,575 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:10,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:10,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1861073411, now seen corresponding path program 35 times [2022-02-10 23:48:10,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:10,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362468901] [2022-02-10 23:48:10,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:10,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:11,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:11,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362468901] [2022-02-10 23:48:11,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362468901] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:11,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:11,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:11,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443749618] [2022-02-10 23:48:11,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:11,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:11,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:11,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:11,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:11,319 INFO L87 Difference]: Start difference. First operand 314 states and 465 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:11,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:11,644 INFO L93 Difference]: Finished difference Result 405 states and 593 transitions. [2022-02-10 23:48:11,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:48:11,644 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:11,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:11,645 INFO L225 Difference]: With dead ends: 405 [2022-02-10 23:48:11,645 INFO L226 Difference]: Without dead ends: 330 [2022-02-10 23:48:11,645 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:48:11,645 INFO L934 BasicCegarLoop]: 100 mSDtfsCounter, 171 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:11,645 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 320 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-02-10 23:48:11,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 289. [2022-02-10 23:48:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4409722222222223) internal successors, (415), 288 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 415 transitions. [2022-02-10 23:48:11,648 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 415 transitions. Word has length 116 [2022-02-10 23:48:11,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:11,648 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 415 transitions. [2022-02-10 23:48:11,648 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) [2022-02-10 23:48:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 415 transitions. [2022-02-10 23:48:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:11,648 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:11,649 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:11,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2022-02-10 23:48:11,651 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:11,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:11,651 INFO L85 PathProgramCache]: Analyzing trace with hash 946234371, now seen corresponding path program 36 times [2022-02-10 23:48:11,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:11,652 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776156778] [2022-02-10 23:48:11,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:11,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:13,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:13,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776156778] [2022-02-10 23:48:13,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776156778] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:13,105 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:13,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:48:13,106 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061950544] [2022-02-10 23:48:13,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:13,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:48:13,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:13,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:48:13,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:48:13,107 INFO L87 Difference]: Start difference. First operand 289 states and 415 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:13,671 INFO L93 Difference]: Finished difference Result 317 states and 442 transitions. [2022-02-10 23:48:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:48:13,673 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:13,673 INFO L225 Difference]: With dead ends: 317 [2022-02-10 23:48:13,673 INFO L226 Difference]: Without dead ends: 291 [2022-02-10 23:48:13,673 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-02-10 23:48:13,674 INFO L934 BasicCegarLoop]: 97 mSDtfsCounter, 52 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:13,674 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 442 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 23:48:13,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-02-10 23:48:13,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2022-02-10 23:48:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.4390243902439024) internal successors, (413), 287 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 413 transitions. [2022-02-10 23:48:13,677 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 413 transitions. Word has length 116 [2022-02-10 23:48:13,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:13,677 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 413 transitions. [2022-02-10 23:48:13,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2022-02-10 23:48:13,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:13,678 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:13,678 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:13,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2022-02-10 23:48:13,678 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:13,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:13,679 INFO L85 PathProgramCache]: Analyzing trace with hash 832623681, now seen corresponding path program 37 times [2022-02-10 23:48:13,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:13,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192327894] [2022-02-10 23:48:13,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:13,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:15,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:15,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192327894] [2022-02-10 23:48:15,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192327894] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:15,320 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:15,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:48:15,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678819984] [2022-02-10 23:48:15,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:15,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:48:15,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:15,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:48:15,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:48:15,321 INFO L87 Difference]: Start difference. First operand 288 states and 413 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:15,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:15,866 INFO L93 Difference]: Finished difference Result 313 states and 437 transitions. [2022-02-10 23:48:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:48:15,866 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:15,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:15,867 INFO L225 Difference]: With dead ends: 313 [2022-02-10 23:48:15,867 INFO L226 Difference]: Without dead ends: 288 [2022-02-10 23:48:15,867 INFO L933 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 [2022-02-10 23:48:15,867 INFO L934 BasicCegarLoop]: 97 mSDtfsCounter, 61 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:15,867 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 381 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:15,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-02-10 23:48:15,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-02-10 23:48:15,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.4285714285714286) internal successors, (410), 287 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 410 transitions. [2022-02-10 23:48:15,870 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 410 transitions. Word has length 116 [2022-02-10 23:48:15,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:15,870 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 410 transitions. [2022-02-10 23:48:15,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 410 transitions. [2022-02-10 23:48:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:15,870 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:15,870 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:15,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2022-02-10 23:48:15,871 INFO L402 AbstractCegarLoop]: === Iteration 258 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:15,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1256423225, now seen corresponding path program 38 times [2022-02-10 23:48:15,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:15,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844811918] [2022-02-10 23:48:15,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:15,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:16,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:16,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844811918] [2022-02-10 23:48:16,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844811918] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:16,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:16,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 23:48:16,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498748766] [2022-02-10 23:48:16,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:16,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:48:16,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:48:16,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:48:16,688 INFO L87 Difference]: Start difference. First operand 288 states and 410 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:17,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:17,073 INFO L93 Difference]: Finished difference Result 310 states and 431 transitions. [2022-02-10 23:48:17,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:48:17,073 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-10 23:48:17,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:17,074 INFO L225 Difference]: With dead ends: 310 [2022-02-10 23:48:17,074 INFO L226 Difference]: Without dead ends: 222 [2022-02-10 23:48:17,074 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-10 23:48:17,074 INFO L934 BasicCegarLoop]: 86 mSDtfsCounter, 109 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:17,074 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 349 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:17,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-02-10 23:48:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-02-10 23:48:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.3755656108597285) internal successors, (304), 221 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 304 transitions. [2022-02-10 23:48:17,076 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 304 transitions. Word has length 116 [2022-02-10 23:48:17,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:17,076 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 304 transitions. [2022-02-10 23:48:17,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2022-02-10 23:48:17,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-10 23:48:17,076 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:48:17,077 INFO L515 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:48:17,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2022-02-10 23:48:17,077 INFO L402 AbstractCegarLoop]: === Iteration 259 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:48:17,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:48:17,077 INFO L85 PathProgramCache]: Analyzing trace with hash -242398841, now seen corresponding path program 39 times [2022-02-10 23:48:17,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:48:17,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206287187] [2022-02-10 23:48:17,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:48:17,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:48:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:48:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-10 23:48:17,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:48:17,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206287187] [2022-02-10 23:48:17,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206287187] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:48:17,858 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:48:17,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 23:48:17,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556496707] [2022-02-10 23:48:17,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:48:17,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 23:48:17,859 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:48:17,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 23:48:17,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:48:17,859 INFO L87 Difference]: Start difference. First operand 222 states and 304 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:48:18,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:48:18,352 INFO L93 Difference]: Finished difference Result 206 states and 273 transitions. [2022-02-10 23:48:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 23:48:18,352 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 [2022-02-10 23:48:18,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:48:18,352 INFO L225 Difference]: With dead ends: 206 [2022-02-10 23:48:18,352 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 23:48:18,353 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-02-10 23:48:18,353 INFO L934 BasicCegarLoop]: 76 mSDtfsCounter, 114 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:48:18,353 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 347 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:48:18,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 23:48:18,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 23:48:18,353 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) [2022-02-10 23:48:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 23:48:18,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-02-10 23:48:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:48:18,353 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 23:48:18,353 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) [2022-02-10 23:48:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 23:48:18,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 23:48:18,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-10 23:48:18,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-10 23:48:18,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-10 23:48:18,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-10 23:48:18,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-10 23:48:18,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-10 23:48:18,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-10 23:48:18,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2022-02-10 23:48:18,358 INFO L733 BasicCegarLoop]: Path program histogram: [39, 36, 34, 28, 26, 20, 13, 13, 12, 8, 7, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1] [2022-02-10 23:48:18,360 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:48:18,360 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:48:18,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:48:18 BasicIcfg [2022-02-10 23:48:18,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:48:18,362 INFO L158 Benchmark]: Toolchain (without parser) took 322826.94ms. Allocated memory was 175.1MB in the beginning and 450.9MB in the end (delta: 275.8MB). Free memory was 124.9MB in the beginning and 387.4MB in the end (delta: -262.5MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-02-10 23:48:18,362 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 175.1MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:48:18,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.11ms. Allocated memory is still 175.1MB. Free memory was 124.7MB in the beginning and 136.7MB in the end (delta: -12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 23:48:18,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.93ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 134.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 23:48:18,362 INFO L158 Benchmark]: Boogie Preprocessor took 45.57ms. Allocated memory is still 175.1MB. Free memory was 134.0MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:48:18,362 INFO L158 Benchmark]: RCFGBuilder took 418.45ms. Allocated memory is still 175.1MB. Free memory was 132.0MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-10 23:48:18,362 INFO L158 Benchmark]: TraceAbstraction took 321774.59ms. Allocated memory was 175.1MB in the beginning and 450.9MB in the end (delta: 275.8MB). Free memory was 116.8MB in the beginning and 387.4MB in the end (delta: -270.7MB). Peak memory consumption was 6.1MB. Max. memory is 8.0GB. [2022-02-10 23:48:18,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 175.1MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 507.11ms. Allocated memory is still 175.1MB. Free memory was 124.7MB in the beginning and 136.7MB in the end (delta: -12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.93ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 134.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.57ms. Allocated memory is still 175.1MB. Free memory was 134.0MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 418.45ms. Allocated memory is still 175.1MB. Free memory was 132.0MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 321774.59ms. Allocated memory was 175.1MB in the beginning and 450.9MB in the end (delta: 275.8MB). Free memory was 116.8MB in the beginning and 387.4MB in the end (delta: -270.7MB). Peak memory consumption was 6.1MB. 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: 321.6s, OverallIterations: 259, TraceHistogramMax: 10, PathProgramHistogramMax: 39, EmptinessCheckTime: 0.3s, AutomataDifference: 161.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65386 SdHoareTripleChecker+Valid, 100.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65386 mSDsluCounter, 165352 SdHoareTripleChecker+Invalid, 85.3s 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, 101.3s 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: 3.5s AutomataMinimizationTime, 259 MinimizatonAttempts, 79778 StatesRemovedByMinimization, 251 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 148.7s 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! [2022-02-10 23:48:18,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...