/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 01:58:26,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 01:58:26,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 01:58:26,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 01:58:27,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 01:58:27,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 01:58:27,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 01:58:27,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 01:58:27,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 01:58:27,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 01:58:27,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 01:58:27,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 01:58:27,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 01:58:27,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 01:58:27,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 01:58:27,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 01:58:27,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 01:58:27,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 01:58:27,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 01:58:27,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 01:58:27,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-09 01:58:27,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 01:58:27,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 01:58:27,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 01:58:27,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 01:58:27,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 01:58:27,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 01:58:27,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 01:58:27,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 01:58:27,051 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 01:58:27,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 01:58:27,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 01:58:27,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 01:58:27,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 01:58:27,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 01:58:27,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 01:58:27,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:58:27,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 01:58:27,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 01:58:27,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 01:58:27,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 01:58:27,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 01:58:27,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 01:58:27,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 01:58:27,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 01:58:27,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 01:58:27,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 01:58:27,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 01:58:27,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 01:58:27,247 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 01:58:27,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-02-09 01:58:27,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc9e3984/bf66c76721254e31afaea9a358cc35ae/FLAG8f2f3bf12 [2022-02-09 01:58:27,734 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 01:58:27,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-02-09 01:58:27,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc9e3984/bf66c76721254e31afaea9a358cc35ae/FLAG8f2f3bf12 [2022-02-09 01:58:28,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc9e3984/bf66c76721254e31afaea9a358cc35ae [2022-02-09 01:58:28,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 01:58:28,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 01:58:28,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 01:58:28,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 01:58:28,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 01:58:28,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b67a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28, skipping insertion in model container [2022-02-09 01:58:28,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 01:58:28,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 01:58:28,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:58:28,443 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 01:58:28,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:58:28,509 INFO L208 MainTranslator]: Completed translation [2022-02-09 01:58:28,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28 WrapperNode [2022-02-09 01:58:28,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 01:58:28,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:28,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 01:58:28,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 01:58:28,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,573 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-02-09 01:58:28,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:28,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 01:58:28,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 01:58:28,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 01:58:28,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 01:58:28,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 01:58:28,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 01:58:28,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 01:58:28,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (1/1) ... [2022-02-09 01:58:28,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:58:28,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:28,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 01:58:28,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 01:58:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 01:58:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 01:58:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 01:58:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 01:58:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 01:58:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 01:58:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 01:58:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 01:58:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 01:58:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 01:58:28,705 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 01:58:28,782 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 01:58:28,783 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 01:58:28,977 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 01:58:28,983 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 01:58:28,984 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-09 01:58:28,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:28 BoogieIcfgContainer [2022-02-09 01:58:28,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 01:58:28,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 01:58:28,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 01:58:28,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 01:58:28,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 01:58:28" (1/3) ... [2022-02-09 01:58:28,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d045306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:28, skipping insertion in model container [2022-02-09 01:58:28,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:28" (2/3) ... [2022-02-09 01:58:28,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d045306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:28, skipping insertion in model container [2022-02-09 01:58:28,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:28" (3/3) ... [2022-02-09 01:58:28,991 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_08-tricky_address3.i [2022-02-09 01:58:28,994 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 01:58:28,995 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 01:58:28,995 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-09 01:58:28,995 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 01:58:29,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:29,060 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 01:58:29,088 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 01:58:29,093 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 01:58:29,093 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 01:58:29,102 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 106 transitions, 217 flow [2022-02-09 01:58:29,172 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) [2022-02-09 01:58:29,175 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) [2022-02-09 01:58:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-09 01:58:29,181 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:29,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:29,182 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:29,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:29,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1316832337, now seen corresponding path program 1 times [2022-02-09 01:58:29,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:29,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368417174] [2022-02-09 01:58:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:29,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,337 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:29,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368417174] [2022-02-09 01:58:29,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368417174] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:29,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:29,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:29,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693880432] [2022-02-09 01:58:29,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:29,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 01:58:29,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:29,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 01:58:29,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 01:58:29,373 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) [2022-02-09 01:58:29,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:29,418 INFO L93 Difference]: Finished difference Result 1195 states and 2288 transitions. [2022-02-09 01:58:29,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 01:58:29,420 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 [2022-02-09 01:58:29,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:29,435 INFO L225 Difference]: With dead ends: 1195 [2022-02-09 01:58:29,435 INFO L226 Difference]: Without dead ends: 1183 [2022-02-09 01:58:29,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 01:58:29,438 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:29,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:29,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-02-09 01:58:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-02-09 01:58:29,500 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) [2022-02-09 01:58:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2265 transitions. [2022-02-09 01:58:29,504 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2265 transitions. Word has length 37 [2022-02-09 01:58:29,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:29,504 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 2265 transitions. [2022-02-09 01:58:29,505 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) [2022-02-09 01:58:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2265 transitions. [2022-02-09 01:58:29,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-09 01:58:29,506 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:29,506 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:29,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 01:58:29,506 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:29,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:29,507 INFO L85 PathProgramCache]: Analyzing trace with hash 900925616, now seen corresponding path program 1 times [2022-02-09 01:58:29,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:29,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61887463] [2022-02-09 01:58:29,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:29,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:29,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61887463] [2022-02-09 01:58:29,552 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61887463] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:29,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:29,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 01:58:29,552 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301557364] [2022-02-09 01:58:29,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:29,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:29,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:29,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:29,554 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) [2022-02-09 01:58:29,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:29,573 INFO L93 Difference]: Finished difference Result 1187 states and 2269 transitions. [2022-02-09 01:58:29,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:29,573 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 [2022-02-09 01:58:29,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:29,577 INFO L225 Difference]: With dead ends: 1187 [2022-02-09 01:58:29,577 INFO L226 Difference]: Without dead ends: 1187 [2022-02-09 01:58:29,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:29,579 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 3 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:29,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 190 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:29,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-02-09 01:58:29,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2022-02-09 01:58:29,601 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) [2022-02-09 01:58:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2266 transitions. [2022-02-09 01:58:29,604 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2266 transitions. Word has length 37 [2022-02-09 01:58:29,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:29,605 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2266 transitions. [2022-02-09 01:58:29,605 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) [2022-02-09 01:58:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2266 transitions. [2022-02-09 01:58:29,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-09 01:58:29,606 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:29,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:29,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 01:58:29,606 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:29,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash 438260885, now seen corresponding path program 1 times [2022-02-09 01:58:29,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:29,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459977328] [2022-02-09 01:58:29,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:29,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,715 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:29,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459977328] [2022-02-09 01:58:29,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459977328] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:29,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91868357] [2022-02-09 01:58:29,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:29,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:29,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:29,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:29,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-09 01:58:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 01:58:29,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:58:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:30,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91868357] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:58:30,052 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:58:30,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 01:58:30,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944131947] [2022-02-09 01:58:30,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:58:30,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:30,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:30,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:30,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:30,054 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) [2022-02-09 01:58:30,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:30,130 INFO L93 Difference]: Finished difference Result 1194 states and 2276 transitions. [2022-02-09 01:58:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 01:58:30,131 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 [2022-02-09 01:58:30,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:30,135 INFO L225 Difference]: With dead ends: 1194 [2022-02-09 01:58:30,135 INFO L226 Difference]: Without dead ends: 1194 [2022-02-09 01:58:30,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-09 01:58:30,138 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 15 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:30,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 379 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-02-09 01:58:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2022-02-09 01:58:30,175 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) [2022-02-09 01:58:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2276 transitions. [2022-02-09 01:58:30,178 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2276 transitions. Word has length 42 [2022-02-09 01:58:30,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:30,179 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2276 transitions. [2022-02-09 01:58:30,179 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) [2022-02-09 01:58:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2276 transitions. [2022-02-09 01:58:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-09 01:58:30,184 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:30,185 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:30,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-09 01:58:30,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:30,392 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:30,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:30,392 INFO L85 PathProgramCache]: Analyzing trace with hash 432939381, now seen corresponding path program 2 times [2022-02-09 01:58:30,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:30,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381205647] [2022-02-09 01:58:30,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:30,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:30,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:30,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381205647] [2022-02-09 01:58:30,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381205647] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:30,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749657231] [2022-02-09 01:58:30,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:58:30,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:30,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:30,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:30,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 01:58:30,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:58:30,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:30,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-09 01:58:30,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:30,646 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 [2022-02-09 01:58:30,671 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-09 01:58:30,672 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-02-09 01:58:30,709 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-09 01:58:30,710 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 [2022-02-09 01:58:30,768 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-09 01:58:30,768 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 [2022-02-09 01:58:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 01:58:30,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:30,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749657231] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:30,794 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:30,796 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-09 01:58:30,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232721666] [2022-02-09 01:58:30,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:30,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:30,801 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:30,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:30,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-09 01:58:30,802 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) [2022-02-09 01:58:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:30,991 INFO L93 Difference]: Finished difference Result 1262 states and 2404 transitions. [2022-02-09 01:58:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:30,992 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 [2022-02-09 01:58:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:30,997 INFO L225 Difference]: With dead ends: 1262 [2022-02-09 01:58:30,997 INFO L226 Difference]: Without dead ends: 1262 [2022-02-09 01:58:30,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-09 01:58:30,999 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 128 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:31,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 523 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:58:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-02-09 01:58:31,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1214. [2022-02-09 01:58:31,018 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) [2022-02-09 01:58:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2312 transitions. [2022-02-09 01:58:31,021 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2312 transitions. Word has length 52 [2022-02-09 01:58:31,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:31,022 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 2312 transitions. [2022-02-09 01:58:31,022 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) [2022-02-09 01:58:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2312 transitions. [2022-02-09 01:58:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-09 01:58:31,024 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:31,024 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:31,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:31,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-09 01:58:31,241 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:31,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:31,242 INFO L85 PathProgramCache]: Analyzing trace with hash 491733010, now seen corresponding path program 1 times [2022-02-09 01:58:31,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:31,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036182640] [2022-02-09 01:58:31,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:31,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:31,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:31,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036182640] [2022-02-09 01:58:31,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036182640] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:31,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906893937] [2022-02-09 01:58:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:31,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:31,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:31,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:31,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 01:58:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:31,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 01:58:31,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:31,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:58:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:31,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906893937] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:58:31,575 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:58:31,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-09 01:58:31,575 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636847457] [2022-02-09 01:58:31,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:58:31,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 01:58:31,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:31,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 01:58:31,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:58:31,578 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) [2022-02-09 01:58:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:31,706 INFO L93 Difference]: Finished difference Result 1234 states and 2332 transitions. [2022-02-09 01:58:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 01:58:31,706 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 [2022-02-09 01:58:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:31,711 INFO L225 Difference]: With dead ends: 1234 [2022-02-09 01:58:31,712 INFO L226 Difference]: Without dead ends: 1234 [2022-02-09 01:58:31,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-09 01:58:31,712 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 29 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:31,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 569 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:31,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-02-09 01:58:31,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2022-02-09 01:58:31,730 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) [2022-02-09 01:58:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 2332 transitions. [2022-02-09 01:58:31,733 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 2332 transitions. Word has length 60 [2022-02-09 01:58:31,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:31,733 INFO L470 AbstractCegarLoop]: Abstraction has 1234 states and 2332 transitions. [2022-02-09 01:58:31,733 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) [2022-02-09 01:58:31,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 2332 transitions. [2022-02-09 01:58:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-09 01:58:31,735 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:31,735 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:31,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:31,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:31,952 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:31,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:31,952 INFO L85 PathProgramCache]: Analyzing trace with hash 656757202, now seen corresponding path program 2 times [2022-02-09 01:58:31,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:31,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211518874] [2022-02-09 01:58:31,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:31,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:32,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:32,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211518874] [2022-02-09 01:58:32,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211518874] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:32,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165998495] [2022-02-09 01:58:32,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:58:32,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:32,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:32,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:32,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 01:58:32,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:58:32,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:32,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-09 01:58:32,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:32,267 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 [2022-02-09 01:58:32,288 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-09 01:58:32,288 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 [2022-02-09 01:58:32,324 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-09 01:58:32,324 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 [2022-02-09 01:58:32,367 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-09 01:58:32,367 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 [2022-02-09 01:58:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-02-09 01:58:32,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:32,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165998495] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:32,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:32,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-02-09 01:58:32,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338089845] [2022-02-09 01:58:32,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:32,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:32,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:32,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:32,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-09 01:58:32,390 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) [2022-02-09 01:58:32,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:32,525 INFO L93 Difference]: Finished difference Result 1341 states and 2532 transitions. [2022-02-09 01:58:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:32,526 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 [2022-02-09 01:58:32,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:32,529 INFO L225 Difference]: With dead ends: 1341 [2022-02-09 01:58:32,530 INFO L226 Difference]: Without dead ends: 1197 [2022-02-09 01:58:32,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-09 01:58:32,530 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 133 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:32,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 404 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 01:58:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-02-09 01:58:32,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1155. [2022-02-09 01:58:32,548 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) [2022-02-09 01:58:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2164 transitions. [2022-02-09 01:58:32,550 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2164 transitions. Word has length 80 [2022-02-09 01:58:32,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:32,550 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2164 transitions. [2022-02-09 01:58:32,550 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) [2022-02-09 01:58:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2164 transitions. [2022-02-09 01:58:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-09 01:58:32,551 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:32,551 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:32,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:32,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:32,768 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:32,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:32,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1425828848, now seen corresponding path program 1 times [2022-02-09 01:58:32,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:32,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342757656] [2022-02-09 01:58:32,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:32,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:32,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:32,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342757656] [2022-02-09 01:58:32,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342757656] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:32,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660147045] [2022-02-09 01:58:32,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:32,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:32,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:32,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:32,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 01:58:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:32,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 01:58:32,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:33,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:58:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:33,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660147045] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:58:33,237 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:58:33,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-09 01:58:33,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832337592] [2022-02-09 01:58:33,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:58:33,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-09 01:58:33,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:33,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-09 01:58:33,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-09 01:58:33,239 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) [2022-02-09 01:58:33,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:33,461 INFO L93 Difference]: Finished difference Result 1170 states and 2179 transitions. [2022-02-09 01:58:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 01:58:33,461 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 [2022-02-09 01:58:33,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:33,464 INFO L225 Difference]: With dead ends: 1170 [2022-02-09 01:58:33,464 INFO L226 Difference]: Without dead ends: 1170 [2022-02-09 01:58:33,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 01:58:33,465 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 43 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:33,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 380 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:33,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-02-09 01:58:33,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-02-09 01:58:33,502 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) [2022-02-09 01:58:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 2179 transitions. [2022-02-09 01:58:33,505 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 2179 transitions. Word has length 84 [2022-02-09 01:58:33,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:33,505 INFO L470 AbstractCegarLoop]: Abstraction has 1170 states and 2179 transitions. [2022-02-09 01:58:33,505 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) [2022-02-09 01:58:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2179 transitions. [2022-02-09 01:58:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-02-09 01:58:33,506 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:33,506 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:33,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:33,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:33,723 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:33,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2073879691, now seen corresponding path program 2 times [2022-02-09 01:58:33,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:33,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282508599] [2022-02-09 01:58:33,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:33,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:33,796 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:33,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282508599] [2022-02-09 01:58:33,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282508599] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:33,796 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:33,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:33,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836481601] [2022-02-09 01:58:33,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:33,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:33,797 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:33,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:33,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:33,798 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) [2022-02-09 01:58:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:33,915 INFO L93 Difference]: Finished difference Result 1295 states and 2421 transitions. [2022-02-09 01:58:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:33,915 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 [2022-02-09 01:58:33,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:33,920 INFO L225 Difference]: With dead ends: 1295 [2022-02-09 01:58:33,920 INFO L226 Difference]: Without dead ends: 1295 [2022-02-09 01:58:33,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:33,921 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 92 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:33,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 343 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 01:58:33,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-02-09 01:58:33,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1219. [2022-02-09 01:58:33,939 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) [2022-02-09 01:58:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2273 transitions. [2022-02-09 01:58:33,941 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2273 transitions. Word has length 99 [2022-02-09 01:58:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:33,941 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 2273 transitions. [2022-02-09 01:58:33,942 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) [2022-02-09 01:58:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2273 transitions. [2022-02-09 01:58:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-09 01:58:33,943 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:33,943 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:33,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-09 01:58:33,943 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:33,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:33,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1373859952, now seen corresponding path program 1 times [2022-02-09 01:58:33,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:33,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401668411] [2022-02-09 01:58:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:33,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:34,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:34,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401668411] [2022-02-09 01:58:34,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401668411] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:34,027 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:34,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:34,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165564743] [2022-02-09 01:58:34,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:34,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:34,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:34,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:34,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:34,028 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) [2022-02-09 01:58:34,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:34,177 INFO L93 Difference]: Finished difference Result 1335 states and 2480 transitions. [2022-02-09 01:58:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:34,177 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 [2022-02-09 01:58:34,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:34,181 INFO L225 Difference]: With dead ends: 1335 [2022-02-09 01:58:34,181 INFO L226 Difference]: Without dead ends: 1005 [2022-02-09 01:58:34,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:34,181 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 94 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:34,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 442 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 01:58:34,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-02-09 01:58:34,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 981. [2022-02-09 01:58:34,196 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) [2022-02-09 01:58:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1774 transitions. [2022-02-09 01:58:34,198 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1774 transitions. Word has length 107 [2022-02-09 01:58:34,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:34,198 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1774 transitions. [2022-02-09 01:58:34,199 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) [2022-02-09 01:58:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1774 transitions. [2022-02-09 01:58:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:34,200 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:34,200 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:34,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-09 01:58:34,200 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:34,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:34,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1446686969, now seen corresponding path program 1 times [2022-02-09 01:58:34,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:34,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452934309] [2022-02-09 01:58:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:34,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:34,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:34,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452934309] [2022-02-09 01:58:34,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452934309] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:34,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:34,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:34,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467399650] [2022-02-09 01:58:34,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:34,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:34,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:34,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:34,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:34,618 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) [2022-02-09 01:58:35,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:35,101 INFO L93 Difference]: Finished difference Result 1753 states and 3204 transitions. [2022-02-09 01:58:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:35,101 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 [2022-02-09 01:58:35,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:35,107 INFO L225 Difference]: With dead ends: 1753 [2022-02-09 01:58:35,107 INFO L226 Difference]: Without dead ends: 1753 [2022-02-09 01:58:35,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:58:35,108 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 246 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:35,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 527 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:58:35,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2022-02-09 01:58:35,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1086. [2022-02-09 01:58:35,128 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) [2022-02-09 01:58:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1984 transitions. [2022-02-09 01:58:35,130 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1984 transitions. Word has length 113 [2022-02-09 01:58:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:35,130 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1984 transitions. [2022-02-09 01:58:35,130 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) [2022-02-09 01:58:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1984 transitions. [2022-02-09 01:58:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:35,131 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:35,131 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:35,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-09 01:58:35,132 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:35,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:35,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1733561321, now seen corresponding path program 1 times [2022-02-09 01:58:35,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:35,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953628452] [2022-02-09 01:58:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:35,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:35,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:35,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953628452] [2022-02-09 01:58:35,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953628452] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:35,408 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:35,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:35,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816142145] [2022-02-09 01:58:35,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:35,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:35,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:35,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:35,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:35,409 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) [2022-02-09 01:58:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:35,894 INFO L93 Difference]: Finished difference Result 1743 states and 3187 transitions. [2022-02-09 01:58:35,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:58:35,895 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 [2022-02-09 01:58:35,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:35,901 INFO L225 Difference]: With dead ends: 1743 [2022-02-09 01:58:35,901 INFO L226 Difference]: Without dead ends: 1743 [2022-02-09 01:58:35,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 01:58:35,901 INFO L933 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 [2022-02-09 01:58:35,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 465 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:35,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2022-02-09 01:58:35,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1245. [2022-02-09 01:58:35,921 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) [2022-02-09 01:58:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2297 transitions. [2022-02-09 01:58:35,924 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2297 transitions. Word has length 113 [2022-02-09 01:58:35,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:35,924 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2297 transitions. [2022-02-09 01:58:35,924 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) [2022-02-09 01:58:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2297 transitions. [2022-02-09 01:58:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:35,926 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:35,926 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:35,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-09 01:58:35,926 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:35,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:35,926 INFO L85 PathProgramCache]: Analyzing trace with hash 376746620, now seen corresponding path program 1 times [2022-02-09 01:58:35,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:35,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262833432] [2022-02-09 01:58:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:35,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:36,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:36,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262833432] [2022-02-09 01:58:36,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262833432] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:36,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:36,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:58:36,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820177391] [2022-02-09 01:58:36,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:36,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:58:36,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:36,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:58:36,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:58:36,740 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) [2022-02-09 01:58:37,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:37,495 INFO L93 Difference]: Finished difference Result 1781 states and 3259 transitions. [2022-02-09 01:58:37,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 01:58:37,495 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 [2022-02-09 01:58:37,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:37,501 INFO L225 Difference]: With dead ends: 1781 [2022-02-09 01:58:37,501 INFO L226 Difference]: Without dead ends: 1781 [2022-02-09 01:58:37,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-02-09 01:58:37,501 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 262 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:37,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 787 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-02-09 01:58:37,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1252. [2022-02-09 01:58:37,519 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) [2022-02-09 01:58:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2311 transitions. [2022-02-09 01:58:37,521 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2311 transitions. Word has length 113 [2022-02-09 01:58:37,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:37,521 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2311 transitions. [2022-02-09 01:58:37,521 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) [2022-02-09 01:58:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2311 transitions. [2022-02-09 01:58:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:37,523 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:37,523 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:37,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-09 01:58:37,523 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:37,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:37,524 INFO L85 PathProgramCache]: Analyzing trace with hash -758070434, now seen corresponding path program 2 times [2022-02-09 01:58:37,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:37,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730021783] [2022-02-09 01:58:37,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:37,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:38,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:38,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730021783] [2022-02-09 01:58:38,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730021783] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:38,439 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:38,439 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:58:38,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084332497] [2022-02-09 01:58:38,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:38,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:58:38,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:38,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:58:38,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:58:38,441 INFO L87 Difference]: Start difference. First operand 1252 states and 2311 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) [2022-02-09 01:58:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:39,205 INFO L93 Difference]: Finished difference Result 1817 states and 3331 transitions. [2022-02-09 01:58:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 01:58:39,206 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 [2022-02-09 01:58:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:39,211 INFO L225 Difference]: With dead ends: 1817 [2022-02-09 01:58:39,212 INFO L226 Difference]: Without dead ends: 1817 [2022-02-09 01:58:39,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2022-02-09 01:58:39,212 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 259 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:39,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 678 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2022-02-09 01:58:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1261. [2022-02-09 01:58:39,233 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) [2022-02-09 01:58:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2329 transitions. [2022-02-09 01:58:39,235 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2329 transitions. Word has length 113 [2022-02-09 01:58:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:39,235 INFO L470 AbstractCegarLoop]: Abstraction has 1261 states and 2329 transitions. [2022-02-09 01:58:39,235 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) [2022-02-09 01:58:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2329 transitions. [2022-02-09 01:58:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:39,237 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:39,237 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:39,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-09 01:58:39,237 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:39,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:39,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1324244250, now seen corresponding path program 3 times [2022-02-09 01:58:39,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:39,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044817509] [2022-02-09 01:58:39,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:39,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:39,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:39,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044817509] [2022-02-09 01:58:39,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044817509] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:39,909 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:39,909 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:39,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339733342] [2022-02-09 01:58:39,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:39,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:58:39,909 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:39,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:58:39,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:58:39,910 INFO L87 Difference]: Start difference. First operand 1261 states and 2329 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) [2022-02-09 01:58:40,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:40,494 INFO L93 Difference]: Finished difference Result 1803 states and 3303 transitions. [2022-02-09 01:58:40,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 01:58:40,494 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 [2022-02-09 01:58:40,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:40,499 INFO L225 Difference]: With dead ends: 1803 [2022-02-09 01:58:40,499 INFO L226 Difference]: Without dead ends: 1803 [2022-02-09 01:58:40,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:40,500 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 261 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:40,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 615 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:40,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2022-02-09 01:58:40,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1270. [2022-02-09 01:58:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1263 states have (on average 1.8582739509105304) internal successors, (2347), 1269 states have internal predecessors, (2347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 2347 transitions. [2022-02-09 01:58:40,522 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 2347 transitions. Word has length 113 [2022-02-09 01:58:40,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:40,523 INFO L470 AbstractCegarLoop]: Abstraction has 1270 states and 2347 transitions. [2022-02-09 01:58:40,523 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) [2022-02-09 01:58:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 2347 transitions. [2022-02-09 01:58:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:40,524 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:40,524 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:40,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-09 01:58:40,525 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:40,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1216231488, now seen corresponding path program 4 times [2022-02-09 01:58:40,525 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:40,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108695903] [2022-02-09 01:58:40,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:40,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:41,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:41,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108695903] [2022-02-09 01:58:41,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108695903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:41,147 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:41,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:41,147 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12462561] [2022-02-09 01:58:41,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:41,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:58:41,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:41,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:58:41,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:58:41,148 INFO L87 Difference]: Start difference. First operand 1270 states and 2347 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) [2022-02-09 01:58:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:41,739 INFO L93 Difference]: Finished difference Result 1751 states and 3199 transitions. [2022-02-09 01:58:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:58:41,739 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 [2022-02-09 01:58:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:41,756 INFO L225 Difference]: With dead ends: 1751 [2022-02-09 01:58:41,756 INFO L226 Difference]: Without dead ends: 1751 [2022-02-09 01:58:41,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:41,757 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 228 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:41,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 661 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:41,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-02-09 01:58:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1279. [2022-02-09 01:58:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1272 states have (on average 1.8592767295597483) internal successors, (2365), 1278 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2365 transitions. [2022-02-09 01:58:41,777 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2365 transitions. Word has length 113 [2022-02-09 01:58:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:41,777 INFO L470 AbstractCegarLoop]: Abstraction has 1279 states and 2365 transitions. [2022-02-09 01:58:41,777 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) [2022-02-09 01:58:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2365 transitions. [2022-02-09 01:58:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:41,779 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:41,779 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:41,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-09 01:58:41,779 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:41,780 INFO L85 PathProgramCache]: Analyzing trace with hash 874882793, now seen corresponding path program 1 times [2022-02-09 01:58:41,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:41,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117303332] [2022-02-09 01:58:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:41,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:41,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:41,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117303332] [2022-02-09 01:58:41,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117303332] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:41,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:41,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:41,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102340321] [2022-02-09 01:58:41,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:41,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:41,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:41,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:41,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:41,891 INFO L87 Difference]: Start difference. First operand 1279 states and 2365 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) [2022-02-09 01:58:42,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:42,447 INFO L93 Difference]: Finished difference Result 1733 states and 3166 transitions. [2022-02-09 01:58:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 01:58:42,447 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 [2022-02-09 01:58:42,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:42,451 INFO L225 Difference]: With dead ends: 1733 [2022-02-09 01:58:42,451 INFO L226 Difference]: Without dead ends: 1733 [2022-02-09 01:58:42,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-02-09 01:58:42,451 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 309 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:42,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 755 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:58:42,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2022-02-09 01:58:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1282. [2022-02-09 01:58:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1275 states have (on average 1.859607843137255) internal successors, (2371), 1281 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:42,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 2371 transitions. [2022-02-09 01:58:42,483 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 2371 transitions. Word has length 113 [2022-02-09 01:58:42,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:42,483 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 2371 transitions. [2022-02-09 01:58:42,483 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) [2022-02-09 01:58:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 2371 transitions. [2022-02-09 01:58:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:42,485 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:42,485 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:42,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-09 01:58:42,485 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:42,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash 790273253, now seen corresponding path program 2 times [2022-02-09 01:58:42,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:42,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584067715] [2022-02-09 01:58:42,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:42,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:42,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:42,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584067715] [2022-02-09 01:58:42,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584067715] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:42,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:42,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:42,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321646237] [2022-02-09 01:58:42,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:42,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:42,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:42,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:42,759 INFO L87 Difference]: Start difference. First operand 1282 states and 2371 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) [2022-02-09 01:58:43,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:43,184 INFO L93 Difference]: Finished difference Result 1755 states and 3203 transitions. [2022-02-09 01:58:43,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:58:43,184 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 [2022-02-09 01:58:43,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:43,188 INFO L225 Difference]: With dead ends: 1755 [2022-02-09 01:58:43,188 INFO L226 Difference]: Without dead ends: 1755 [2022-02-09 01:58:43,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 01:58:43,188 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 248 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:43,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 438 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:58:43,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-02-09 01:58:43,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1323. [2022-02-09 01:58:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1316 states have (on average 1.8556231003039514) internal successors, (2442), 1322 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 2442 transitions. [2022-02-09 01:58:43,210 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 2442 transitions. Word has length 113 [2022-02-09 01:58:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:43,210 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 2442 transitions. [2022-02-09 01:58:43,211 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) [2022-02-09 01:58:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 2442 transitions. [2022-02-09 01:58:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:43,214 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:43,214 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:43,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-09 01:58:43,214 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:43,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:43,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1356984961, now seen corresponding path program 2 times [2022-02-09 01:58:43,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:43,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4211716] [2022-02-09 01:58:43,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:43,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:44,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:44,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4211716] [2022-02-09 01:58:44,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4211716] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:44,059 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:44,060 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:58:44,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029380078] [2022-02-09 01:58:44,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:44,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:58:44,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:44,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:58:44,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:58:44,061 INFO L87 Difference]: Start difference. First operand 1323 states and 2442 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) [2022-02-09 01:58:44,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:44,774 INFO L93 Difference]: Finished difference Result 2070 states and 3826 transitions. [2022-02-09 01:58:44,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:58:44,774 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 [2022-02-09 01:58:44,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:44,778 INFO L225 Difference]: With dead ends: 2070 [2022-02-09 01:58:44,778 INFO L226 Difference]: Without dead ends: 2070 [2022-02-09 01:58:44,778 INFO L932 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 [2022-02-09 01:58:44,779 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 320 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:44,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 581 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:44,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2022-02-09 01:58:44,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1370. [2022-02-09 01:58:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1370 states, 1363 states have (on average 1.8606016140865738) internal successors, (2536), 1369 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) [2022-02-09 01:58:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 2536 transitions. [2022-02-09 01:58:44,798 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 2536 transitions. Word has length 113 [2022-02-09 01:58:44,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:44,799 INFO L470 AbstractCegarLoop]: Abstraction has 1370 states and 2536 transitions. [2022-02-09 01:58:44,799 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) [2022-02-09 01:58:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 2536 transitions. [2022-02-09 01:58:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:44,800 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:44,801 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:44,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-09 01:58:44,801 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:44,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:44,801 INFO L85 PathProgramCache]: Analyzing trace with hash -620012861, now seen corresponding path program 3 times [2022-02-09 01:58:44,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:44,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717191689] [2022-02-09 01:58:44,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:44,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:45,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:45,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717191689] [2022-02-09 01:58:45,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717191689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:45,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:45,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:45,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469879740] [2022-02-09 01:58:45,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:45,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:58:45,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:45,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:58:45,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:58:45,418 INFO L87 Difference]: Start difference. First operand 1370 states and 2536 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) [2022-02-09 01:58:46,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:46,075 INFO L93 Difference]: Finished difference Result 2087 states and 3860 transitions. [2022-02-09 01:58:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:46,075 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 [2022-02-09 01:58:46,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:46,078 INFO L225 Difference]: With dead ends: 2087 [2022-02-09 01:58:46,078 INFO L226 Difference]: Without dead ends: 2087 [2022-02-09 01:58:46,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-02-09 01:58:46,079 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 272 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:46,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 612 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:46,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2022-02-09 01:58:46,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1388. [2022-02-09 01:58:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 1381 states have (on average 1.8624185372918176) internal successors, (2572), 1387 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 2572 transitions. [2022-02-09 01:58:46,098 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 2572 transitions. Word has length 113 [2022-02-09 01:58:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:46,098 INFO L470 AbstractCegarLoop]: Abstraction has 1388 states and 2572 transitions. [2022-02-09 01:58:46,098 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) [2022-02-09 01:58:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 2572 transitions. [2022-02-09 01:58:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:46,100 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:46,100 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:46,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-09 01:58:46,100 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:46,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:46,101 INFO L85 PathProgramCache]: Analyzing trace with hash 836114431, now seen corresponding path program 4 times [2022-02-09 01:58:46,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:46,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32488297] [2022-02-09 01:58:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:46,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:46,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:46,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32488297] [2022-02-09 01:58:46,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32488297] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:46,745 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:46,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:46,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623469863] [2022-02-09 01:58:46,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:46,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:46,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:46,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:46,747 INFO L87 Difference]: Start difference. First operand 1388 states and 2572 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) [2022-02-09 01:58:47,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:47,457 INFO L93 Difference]: Finished difference Result 2050 states and 3795 transitions. [2022-02-09 01:58:47,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:58:47,458 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 [2022-02-09 01:58:47,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:47,461 INFO L225 Difference]: With dead ends: 2050 [2022-02-09 01:58:47,462 INFO L226 Difference]: Without dead ends: 2022 [2022-02-09 01:58:47,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:58:47,463 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 283 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:47,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 703 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:47,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2022-02-09 01:58:47,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 1404. [2022-02-09 01:58:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.86184681460272) internal successors, (2601), 1403 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2601 transitions. [2022-02-09 01:58:47,486 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2601 transitions. Word has length 113 [2022-02-09 01:58:47,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:47,486 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2601 transitions. [2022-02-09 01:58:47,486 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) [2022-02-09 01:58:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2601 transitions. [2022-02-09 01:58:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:47,488 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:47,488 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:47,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-09 01:58:47,488 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:47,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:47,488 INFO L85 PathProgramCache]: Analyzing trace with hash 551482577, now seen corresponding path program 5 times [2022-02-09 01:58:47,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:47,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181638040] [2022-02-09 01:58:47,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:47,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:48,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:48,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181638040] [2022-02-09 01:58:48,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181638040] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:48,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:48,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:58:48,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460299136] [2022-02-09 01:58:48,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:48,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:58:48,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:48,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:58:48,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:58:48,490 INFO L87 Difference]: Start difference. First operand 1404 states and 2601 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) [2022-02-09 01:58:49,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:49,251 INFO L93 Difference]: Finished difference Result 2099 states and 3883 transitions. [2022-02-09 01:58:49,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:58:49,251 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 [2022-02-09 01:58:49,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:49,255 INFO L225 Difference]: With dead ends: 2099 [2022-02-09 01:58:49,255 INFO L226 Difference]: Without dead ends: 2099 [2022-02-09 01:58:49,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-02-09 01:58:49,256 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 311 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:49,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 672 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:49,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2022-02-09 01:58:49,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 1425. [2022-02-09 01:58:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1418 states have (on average 1.8638928067700988) internal successors, (2643), 1424 states have internal predecessors, (2643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2643 transitions. [2022-02-09 01:58:49,275 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2643 transitions. Word has length 113 [2022-02-09 01:58:49,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:49,276 INFO L470 AbstractCegarLoop]: Abstraction has 1425 states and 2643 transitions. [2022-02-09 01:58:49,276 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) [2022-02-09 01:58:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2643 transitions. [2022-02-09 01:58:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:49,277 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:49,278 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:49,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-09 01:58:49,278 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:49,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1288454677, now seen corresponding path program 6 times [2022-02-09 01:58:49,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:49,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822814156] [2022-02-09 01:58:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:49,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:50,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:50,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822814156] [2022-02-09 01:58:50,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822814156] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:50,094 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:50,094 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:50,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067024872] [2022-02-09 01:58:50,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:50,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:58:50,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:50,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:58:50,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:58:50,096 INFO L87 Difference]: Start difference. First operand 1425 states and 2643 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) [2022-02-09 01:58:50,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:50,761 INFO L93 Difference]: Finished difference Result 2107 states and 3899 transitions. [2022-02-09 01:58:50,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:50,761 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 [2022-02-09 01:58:50,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:50,764 INFO L225 Difference]: With dead ends: 2107 [2022-02-09 01:58:50,764 INFO L226 Difference]: Without dead ends: 2107 [2022-02-09 01:58:50,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2022-02-09 01:58:50,765 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 281 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:50,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 604 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:50,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2022-02-09 01:58:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1443. [2022-02-09 01:58:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1436 states have (on average 1.865598885793872) internal successors, (2679), 1442 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) [2022-02-09 01:58:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 2679 transitions. [2022-02-09 01:58:50,784 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 2679 transitions. Word has length 113 [2022-02-09 01:58:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:50,784 INFO L470 AbstractCegarLoop]: Abstraction has 1443 states and 2679 transitions. [2022-02-09 01:58:50,785 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) [2022-02-09 01:58:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2679 transitions. [2022-02-09 01:58:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:50,786 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:50,786 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:50,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-09 01:58:50,787 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:50,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:50,787 INFO L85 PathProgramCache]: Analyzing trace with hash -121845815, now seen corresponding path program 7 times [2022-02-09 01:58:50,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:50,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752382017] [2022-02-09 01:58:50,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:50,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:51,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:51,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752382017] [2022-02-09 01:58:51,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752382017] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:51,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:51,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:51,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056523865] [2022-02-09 01:58:51,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:51,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:58:51,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:51,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:58:51,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:58:51,555 INFO L87 Difference]: Start difference. First operand 1443 states and 2679 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) [2022-02-09 01:58:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:52,183 INFO L93 Difference]: Finished difference Result 2086 states and 3867 transitions. [2022-02-09 01:58:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:52,183 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 [2022-02-09 01:58:52,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:52,187 INFO L225 Difference]: With dead ends: 2086 [2022-02-09 01:58:52,187 INFO L226 Difference]: Without dead ends: 2086 [2022-02-09 01:58:52,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2022-02-09 01:58:52,187 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 242 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:52,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 639 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2022-02-09 01:58:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 1451. [2022-02-09 01:58:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1444 states have (on average 1.8663434903047091) internal successors, (2695), 1450 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2695 transitions. [2022-02-09 01:58:52,210 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2695 transitions. Word has length 113 [2022-02-09 01:58:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:52,211 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2695 transitions. [2022-02-09 01:58:52,211 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) [2022-02-09 01:58:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2695 transitions. [2022-02-09 01:58:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:52,212 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:52,212 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:52,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-09 01:58:52,213 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:52,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1447474959, now seen corresponding path program 8 times [2022-02-09 01:58:52,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:52,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617760314] [2022-02-09 01:58:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:52,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:53,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:53,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617760314] [2022-02-09 01:58:53,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617760314] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:53,205 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:53,205 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:58:53,205 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306836505] [2022-02-09 01:58:53,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:53,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:58:53,206 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:53,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:58:53,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:58:53,206 INFO L87 Difference]: Start difference. First operand 1451 states and 2695 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) [2022-02-09 01:58:53,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:53,952 INFO L93 Difference]: Finished difference Result 2080 states and 3847 transitions. [2022-02-09 01:58:53,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:58:53,952 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 [2022-02-09 01:58:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:53,955 INFO L225 Difference]: With dead ends: 2080 [2022-02-09 01:58:53,956 INFO L226 Difference]: Without dead ends: 2080 [2022-02-09 01:58:53,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-02-09 01:58:53,956 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 300 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:53,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 633 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:53,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2022-02-09 01:58:53,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 1462. [2022-02-09 01:58:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8673539518900344) internal successors, (2717), 1461 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2717 transitions. [2022-02-09 01:58:53,991 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2717 transitions. Word has length 113 [2022-02-09 01:58:53,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:53,991 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2717 transitions. [2022-02-09 01:58:53,991 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) [2022-02-09 01:58:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2717 transitions. [2022-02-09 01:58:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:53,993 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:53,993 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:53,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-09 01:58:53,993 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:53,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:53,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2110520237, now seen corresponding path program 9 times [2022-02-09 01:58:53,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:53,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661974673] [2022-02-09 01:58:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:53,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:54,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:54,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661974673] [2022-02-09 01:58:54,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661974673] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:54,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:54,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:54,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222462350] [2022-02-09 01:58:54,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:54,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:58:54,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:54,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:58:54,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:58:54,800 INFO L87 Difference]: Start difference. First operand 1462 states and 2717 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) [2022-02-09 01:58:55,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:55,549 INFO L93 Difference]: Finished difference Result 2043 states and 3782 transitions. [2022-02-09 01:58:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:55,550 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 [2022-02-09 01:58:55,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:55,560 INFO L225 Difference]: With dead ends: 2043 [2022-02-09 01:58:55,560 INFO L226 Difference]: Without dead ends: 2043 [2022-02-09 01:58:55,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2022-02-09 01:58:55,561 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 271 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:55,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 621 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:55,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2022-02-09 01:58:55,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1452. [2022-02-09 01:58:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1445 states have (on average 1.8664359861591695) internal successors, (2697), 1451 states have internal predecessors, (2697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2697 transitions. [2022-02-09 01:58:55,581 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2697 transitions. Word has length 113 [2022-02-09 01:58:55,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:55,581 INFO L470 AbstractCegarLoop]: Abstraction has 1452 states and 2697 transitions. [2022-02-09 01:58:55,581 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) [2022-02-09 01:58:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2697 transitions. [2022-02-09 01:58:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:55,583 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:55,584 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:55,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-09 01:58:55,584 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:55,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:55,584 INFO L85 PathProgramCache]: Analyzing trace with hash 2052449145, now seen corresponding path program 10 times [2022-02-09 01:58:55,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:55,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623771800] [2022-02-09 01:58:55,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:55,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:56,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:56,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623771800] [2022-02-09 01:58:56,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623771800] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:56,592 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:56,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:58:56,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615005437] [2022-02-09 01:58:56,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:56,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:58:56,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:56,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:58:56,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:58:56,593 INFO L87 Difference]: Start difference. First operand 1452 states and 2697 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) [2022-02-09 01:58:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:57,386 INFO L93 Difference]: Finished difference Result 1960 states and 3625 transitions. [2022-02-09 01:58:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:58:57,386 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-09 01:58:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:57,393 INFO L225 Difference]: With dead ends: 1960 [2022-02-09 01:58:57,393 INFO L226 Difference]: Without dead ends: 1960 [2022-02-09 01:58:57,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2022-02-09 01:58:57,394 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 283 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:57,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 603 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:57,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-02-09 01:58:57,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1462. [2022-02-09 01:58:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8673539518900344) internal successors, (2717), 1461 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:58:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2717 transitions. [2022-02-09 01:58:57,410 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2717 transitions. Word has length 113 [2022-02-09 01:58:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:57,410 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2717 transitions. [2022-02-09 01:58:57,411 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) [2022-02-09 01:58:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2717 transitions. [2022-02-09 01:58:57,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:57,412 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:57,412 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:57,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-09 01:58:57,413 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:57,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:57,413 INFO L85 PathProgramCache]: Analyzing trace with hash -2023297281, now seen corresponding path program 3 times [2022-02-09 01:58:57,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:57,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750234528] [2022-02-09 01:58:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:57,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:57,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:57,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750234528] [2022-02-09 01:58:57,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750234528] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:57,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:57,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:57,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688103363] [2022-02-09 01:58:57,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:57,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:57,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:57,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:57,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:57,704 INFO L87 Difference]: Start difference. First operand 1462 states and 2717 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) [2022-02-09 01:58:58,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:58,178 INFO L93 Difference]: Finished difference Result 1852 states and 3419 transitions. [2022-02-09 01:58:58,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:58:58,178 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 [2022-02-09 01:58:58,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:58,181 INFO L225 Difference]: With dead ends: 1852 [2022-02-09 01:58:58,181 INFO L226 Difference]: Without dead ends: 1852 [2022-02-09 01:58:58,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:58:58,182 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 162 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:58,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 645 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:58:58,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2022-02-09 01:58:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1463. [2022-02-09 01:58:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1456 states have (on average 1.867445054945055) internal successors, (2719), 1462 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) [2022-02-09 01:58:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2719 transitions. [2022-02-09 01:58:58,207 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2719 transitions. Word has length 113 [2022-02-09 01:58:58,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:58,208 INFO L470 AbstractCegarLoop]: Abstraction has 1463 states and 2719 transitions. [2022-02-09 01:58:58,208 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) [2022-02-09 01:58:58,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2719 transitions. [2022-02-09 01:58:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:58,212 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:58,212 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:58,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-09 01:58:58,212 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:58,213 INFO L85 PathProgramCache]: Analyzing trace with hash -178145435, now seen corresponding path program 4 times [2022-02-09 01:58:58,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:58,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107662787] [2022-02-09 01:58:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:58,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:58,575 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:58,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107662787] [2022-02-09 01:58:58,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107662787] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:58,575 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:58,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:58,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451468348] [2022-02-09 01:58:58,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:58,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:58,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:58,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:58,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:58,579 INFO L87 Difference]: Start difference. First operand 1463 states and 2719 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) [2022-02-09 01:58:59,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:59,013 INFO L93 Difference]: Finished difference Result 1835 states and 3385 transitions. [2022-02-09 01:58:59,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:58:59,013 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 [2022-02-09 01:58:59,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:59,016 INFO L225 Difference]: With dead ends: 1835 [2022-02-09 01:58:59,016 INFO L226 Difference]: Without dead ends: 1835 [2022-02-09 01:58:59,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:58:59,017 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 173 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:59,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 427 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:58:59,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2022-02-09 01:58:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1464. [2022-02-09 01:58:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1457 states have (on average 1.8675360329444064) internal successors, (2721), 1463 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) [2022-02-09 01:58:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2721 transitions. [2022-02-09 01:58:59,034 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2721 transitions. Word has length 113 [2022-02-09 01:58:59,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:59,034 INFO L470 AbstractCegarLoop]: Abstraction has 1464 states and 2721 transitions. [2022-02-09 01:58:59,034 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) [2022-02-09 01:58:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2721 transitions. [2022-02-09 01:58:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:58:59,039 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:59,039 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:59,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-09 01:58:59,039 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:59,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:59,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1665577627, now seen corresponding path program 5 times [2022-02-09 01:58:59,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:59,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300961978] [2022-02-09 01:58:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:59,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:59,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:59,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300961978] [2022-02-09 01:58:59,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300961978] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:59,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:59,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:58:59,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997460133] [2022-02-09 01:58:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:59,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:59,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:59,500 INFO L87 Difference]: Start difference. First operand 1464 states and 2721 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) [2022-02-09 01:59:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:00,032 INFO L93 Difference]: Finished difference Result 1821 states and 3353 transitions. [2022-02-09 01:59:00,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:59:00,032 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 [2022-02-09 01:59:00,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:00,035 INFO L225 Difference]: With dead ends: 1821 [2022-02-09 01:59:00,036 INFO L226 Difference]: Without dead ends: 1821 [2022-02-09 01:59:00,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:59:00,036 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 197 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:00,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 422 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2022-02-09 01:59:00,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1466. [2022-02-09 01:59:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1459 states have (on average 1.8670322138450994) internal successors, (2724), 1465 states have internal predecessors, (2724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2724 transitions. [2022-02-09 01:59:00,058 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2724 transitions. Word has length 113 [2022-02-09 01:59:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:00,058 INFO L470 AbstractCegarLoop]: Abstraction has 1466 states and 2724 transitions. [2022-02-09 01:59:00,058 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) [2022-02-09 01:59:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2724 transitions. [2022-02-09 01:59:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:00,060 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:00,060 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:00,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-09 01:59:00,060 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:00,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:00,060 INFO L85 PathProgramCache]: Analyzing trace with hash 465106407, now seen corresponding path program 6 times [2022-02-09 01:59:00,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:00,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592860754] [2022-02-09 01:59:00,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:00,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:00,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:00,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592860754] [2022-02-09 01:59:00,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592860754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:00,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:00,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 01:59:00,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470904542] [2022-02-09 01:59:00,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:00,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 01:59:00,772 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:00,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 01:59:00,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:00,773 INFO L87 Difference]: Start difference. First operand 1466 states and 2724 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) [2022-02-09 01:59:02,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:02,196 INFO L93 Difference]: Finished difference Result 2370 states and 4391 transitions. [2022-02-09 01:59:02,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 01:59:02,198 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 [2022-02-09 01:59:02,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:02,201 INFO L225 Difference]: With dead ends: 2370 [2022-02-09 01:59:02,201 INFO L226 Difference]: Without dead ends: 2370 [2022-02-09 01:59:02,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 01:59:02,202 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 737 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:02,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 1094 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-09 01:59:02,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2022-02-09 01:59:02,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 1471. [2022-02-09 01:59:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1464 states have (on average 1.8674863387978142) internal successors, (2734), 1470 states have internal predecessors, (2734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2734 transitions. [2022-02-09 01:59:02,221 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2734 transitions. Word has length 113 [2022-02-09 01:59:02,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:02,222 INFO L470 AbstractCegarLoop]: Abstraction has 1471 states and 2734 transitions. [2022-02-09 01:59:02,222 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) [2022-02-09 01:59:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2734 transitions. [2022-02-09 01:59:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:02,223 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:02,224 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:02,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-09 01:59:02,224 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:02,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2040785995, now seen corresponding path program 11 times [2022-02-09 01:59:02,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:02,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756752391] [2022-02-09 01:59:02,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:02,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:02,915 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:02,915 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756752391] [2022-02-09 01:59:02,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756752391] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:02,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:02,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:02,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105585150] [2022-02-09 01:59:02,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:02,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:02,915 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:02,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:02,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:02,916 INFO L87 Difference]: Start difference. First operand 1471 states and 2734 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) [2022-02-09 01:59:03,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:03,727 INFO L93 Difference]: Finished difference Result 1832 states and 3400 transitions. [2022-02-09 01:59:03,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 01:59:03,727 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 [2022-02-09 01:59:03,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:03,729 INFO L225 Difference]: With dead ends: 1832 [2022-02-09 01:59:03,730 INFO L226 Difference]: Without dead ends: 1832 [2022-02-09 01:59:03,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-02-09 01:59:03,730 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 254 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:03,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 623 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:03,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2022-02-09 01:59:03,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1507. [2022-02-09 01:59:03,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1500 states have (on average 1.8706666666666667) internal successors, (2806), 1506 states have internal predecessors, (2806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2806 transitions. [2022-02-09 01:59:03,747 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2806 transitions. Word has length 113 [2022-02-09 01:59:03,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:03,747 INFO L470 AbstractCegarLoop]: Abstraction has 1507 states and 2806 transitions. [2022-02-09 01:59:03,747 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) [2022-02-09 01:59:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2806 transitions. [2022-02-09 01:59:03,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:03,749 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:03,749 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:03,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-09 01:59:03,749 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:03,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:03,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1517209201, now seen corresponding path program 12 times [2022-02-09 01:59:03,750 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:03,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568494076] [2022-02-09 01:59:03,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:03,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:04,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:04,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568494076] [2022-02-09 01:59:04,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568494076] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:04,302 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:04,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:04,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276969663] [2022-02-09 01:59:04,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:04,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:04,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:04,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:04,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:04,303 INFO L87 Difference]: Start difference. First operand 1507 states and 2806 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) [2022-02-09 01:59:04,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:04,995 INFO L93 Difference]: Finished difference Result 1815 states and 3366 transitions. [2022-02-09 01:59:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:59:04,995 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 [2022-02-09 01:59:04,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:04,997 INFO L225 Difference]: With dead ends: 1815 [2022-02-09 01:59:04,997 INFO L226 Difference]: Without dead ends: 1815 [2022-02-09 01:59:04,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-02-09 01:59:04,998 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 200 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:04,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 790 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:05,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-02-09 01:59:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1493. [2022-02-09 01:59:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1486 states have (on average 1.8694481830417227) internal successors, (2778), 1492 states have internal predecessors, (2778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2778 transitions. [2022-02-09 01:59:05,013 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2778 transitions. Word has length 113 [2022-02-09 01:59:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:05,013 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 2778 transitions. [2022-02-09 01:59:05,013 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) [2022-02-09 01:59:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2778 transitions. [2022-02-09 01:59:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:05,015 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:05,015 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:05,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-09 01:59:05,015 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:05,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:05,015 INFO L85 PathProgramCache]: Analyzing trace with hash -345713763, now seen corresponding path program 13 times [2022-02-09 01:59:05,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:05,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999506094] [2022-02-09 01:59:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:05,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:05,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:05,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999506094] [2022-02-09 01:59:05,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999506094] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:05,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:05,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:05,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952437967] [2022-02-09 01:59:05,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:05,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:05,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:05,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:05,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:05,753 INFO L87 Difference]: Start difference. First operand 1493 states and 2778 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) [2022-02-09 01:59:06,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:06,606 INFO L93 Difference]: Finished difference Result 2083 states and 3880 transitions. [2022-02-09 01:59:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 01:59:06,606 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 [2022-02-09 01:59:06,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:06,609 INFO L225 Difference]: With dead ends: 2083 [2022-02-09 01:59:06,609 INFO L226 Difference]: Without dead ends: 2083 [2022-02-09 01:59:06,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-02-09 01:59:06,609 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 213 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:06,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 821 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2022-02-09 01:59:06,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1494. [2022-02-09 01:59:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1487 states have (on average 1.8695359784801615) internal successors, (2780), 1493 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 2780 transitions. [2022-02-09 01:59:06,627 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 2780 transitions. Word has length 113 [2022-02-09 01:59:06,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:06,627 INFO L470 AbstractCegarLoop]: Abstraction has 1494 states and 2780 transitions. [2022-02-09 01:59:06,627 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) [2022-02-09 01:59:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2780 transitions. [2022-02-09 01:59:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:06,628 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:06,629 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:06,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-09 01:59:06,629 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:06,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:06,629 INFO L85 PathProgramCache]: Analyzing trace with hash 550278619, now seen corresponding path program 14 times [2022-02-09 01:59:06,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:06,630 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643306568] [2022-02-09 01:59:06,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:06,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:07,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:07,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643306568] [2022-02-09 01:59:07,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643306568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:07,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:07,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:07,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774175119] [2022-02-09 01:59:07,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:07,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:07,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:07,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:07,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:07,393 INFO L87 Difference]: Start difference. First operand 1494 states and 2780 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) [2022-02-09 01:59:08,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:08,261 INFO L93 Difference]: Finished difference Result 2018 states and 3752 transitions. [2022-02-09 01:59:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 01:59:08,262 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 [2022-02-09 01:59:08,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:08,264 INFO L225 Difference]: With dead ends: 2018 [2022-02-09 01:59:08,264 INFO L226 Difference]: Without dead ends: 2018 [2022-02-09 01:59:08,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2022-02-09 01:59:08,264 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 219 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:08,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 731 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:08,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-02-09 01:59:08,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1495. [2022-02-09 01:59:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1488 states have (on average 1.8696236559139785) internal successors, (2782), 1494 states have internal predecessors, (2782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 2782 transitions. [2022-02-09 01:59:08,280 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 2782 transitions. Word has length 113 [2022-02-09 01:59:08,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:08,280 INFO L470 AbstractCegarLoop]: Abstraction has 1495 states and 2782 transitions. [2022-02-09 01:59:08,280 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) [2022-02-09 01:59:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2782 transitions. [2022-02-09 01:59:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:08,281 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:08,282 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:08,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-09 01:59:08,282 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:08,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:08,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1155252805, now seen corresponding path program 15 times [2022-02-09 01:59:08,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:08,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937999855] [2022-02-09 01:59:08,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:08,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:09,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:09,140 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937999855] [2022-02-09 01:59:09,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937999855] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:09,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:09,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:09,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18722095] [2022-02-09 01:59:09,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:09,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:09,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:09,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:09,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:09,141 INFO L87 Difference]: Start difference. First operand 1495 states and 2782 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) [2022-02-09 01:59:10,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:10,108 INFO L93 Difference]: Finished difference Result 1922 states and 3578 transitions. [2022-02-09 01:59:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 01:59:10,108 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 [2022-02-09 01:59:10,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:10,111 INFO L225 Difference]: With dead ends: 1922 [2022-02-09 01:59:10,111 INFO L226 Difference]: Without dead ends: 1922 [2022-02-09 01:59:10,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2022-02-09 01:59:10,111 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 234 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:10,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 660 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2022-02-09 01:59:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1495. [2022-02-09 01:59:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1488 states have (on average 1.8696236559139785) internal successors, (2782), 1494 states have internal predecessors, (2782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 2782 transitions. [2022-02-09 01:59:10,127 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 2782 transitions. Word has length 113 [2022-02-09 01:59:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:10,127 INFO L470 AbstractCegarLoop]: Abstraction has 1495 states and 2782 transitions. [2022-02-09 01:59:10,127 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) [2022-02-09 01:59:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2782 transitions. [2022-02-09 01:59:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:10,129 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:10,129 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:10,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-09 01:59:10,129 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:10,129 INFO L85 PathProgramCache]: Analyzing trace with hash 279544873, now seen corresponding path program 16 times [2022-02-09 01:59:10,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:10,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717550997] [2022-02-09 01:59:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:10,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:10,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:10,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717550997] [2022-02-09 01:59:10,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717550997] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:10,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:10,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:10,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202896847] [2022-02-09 01:59:10,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:10,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:10,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:10,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:10,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:10,905 INFO L87 Difference]: Start difference. First operand 1495 states and 2782 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) [2022-02-09 01:59:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:11,749 INFO L93 Difference]: Finished difference Result 1829 states and 3396 transitions. [2022-02-09 01:59:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 01:59:11,749 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 [2022-02-09 01:59:11,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:11,751 INFO L225 Difference]: With dead ends: 1829 [2022-02-09 01:59:11,751 INFO L226 Difference]: Without dead ends: 1829 [2022-02-09 01:59:11,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-02-09 01:59:11,752 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 249 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:11,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 782 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:11,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2022-02-09 01:59:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1505. [2022-02-09 01:59:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1498 states have (on average 1.870493991989319) internal successors, (2802), 1504 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2802 transitions. [2022-02-09 01:59:11,769 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2802 transitions. Word has length 113 [2022-02-09 01:59:11,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:11,769 INFO L470 AbstractCegarLoop]: Abstraction has 1505 states and 2802 transitions. [2022-02-09 01:59:11,769 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) [2022-02-09 01:59:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2802 transitions. [2022-02-09 01:59:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:11,771 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:11,771 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:11,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-09 01:59:11,771 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1016516973, now seen corresponding path program 17 times [2022-02-09 01:59:11,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:11,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433553155] [2022-02-09 01:59:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:11,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:12,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:12,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433553155] [2022-02-09 01:59:12,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433553155] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:12,410 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:12,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:12,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882733615] [2022-02-09 01:59:12,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:12,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:12,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:12,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:12,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:12,411 INFO L87 Difference]: Start difference. First operand 1505 states and 2802 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) [2022-02-09 01:59:13,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:13,167 INFO L93 Difference]: Finished difference Result 1794 states and 3326 transitions. [2022-02-09 01:59:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:59:13,167 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 [2022-02-09 01:59:13,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:13,170 INFO L225 Difference]: With dead ends: 1794 [2022-02-09 01:59:13,170 INFO L226 Difference]: Without dead ends: 1794 [2022-02-09 01:59:13,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:13,170 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:13,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 1131 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:13,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-02-09 01:59:13,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1481. [2022-02-09 01:59:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 1474 states have (on average 1.8683853459972863) internal successors, (2754), 1480 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2754 transitions. [2022-02-09 01:59:13,204 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2754 transitions. Word has length 113 [2022-02-09 01:59:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:13,205 INFO L470 AbstractCegarLoop]: Abstraction has 1481 states and 2754 transitions. [2022-02-09 01:59:13,205 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) [2022-02-09 01:59:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2754 transitions. [2022-02-09 01:59:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:13,206 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:13,206 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:13,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-09 01:59:13,207 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:13,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:13,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1175537255, now seen corresponding path program 18 times [2022-02-09 01:59:13,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:13,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149893924] [2022-02-09 01:59:13,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:13,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:13,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:13,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149893924] [2022-02-09 01:59:13,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149893924] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:13,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:13,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:13,997 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887610297] [2022-02-09 01:59:13,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:13,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:13,997 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:13,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:13,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:13,998 INFO L87 Difference]: Start difference. First operand 1481 states and 2754 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) [2022-02-09 01:59:15,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:15,004 INFO L93 Difference]: Finished difference Result 2043 states and 3802 transitions. [2022-02-09 01:59:15,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 01:59:15,004 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 [2022-02-09 01:59:15,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:15,006 INFO L225 Difference]: With dead ends: 2043 [2022-02-09 01:59:15,007 INFO L226 Difference]: Without dead ends: 2043 [2022-02-09 01:59:15,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2022-02-09 01:59:15,007 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 282 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:15,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 808 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:15,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2022-02-09 01:59:15,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1492. [2022-02-09 01:59:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1485 states have (on average 1.8693602693602693) internal successors, (2776), 1491 states have internal predecessors, (2776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2776 transitions. [2022-02-09 01:59:15,022 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2776 transitions. Word has length 113 [2022-02-09 01:59:15,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:15,022 INFO L470 AbstractCegarLoop]: Abstraction has 1492 states and 2776 transitions. [2022-02-09 01:59:15,022 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) [2022-02-09 01:59:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2776 transitions. [2022-02-09 01:59:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:15,024 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:15,024 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:15,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-09 01:59:15,024 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:15,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:15,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1912509355, now seen corresponding path program 19 times [2022-02-09 01:59:15,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:15,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264943756] [2022-02-09 01:59:15,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:15,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:15,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:15,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264943756] [2022-02-09 01:59:15,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264943756] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:15,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:15,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:15,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069862572] [2022-02-09 01:59:15,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:15,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:15,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:15,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:15,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:15,654 INFO L87 Difference]: Start difference. First operand 1492 states and 2776 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) [2022-02-09 01:59:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:16,457 INFO L93 Difference]: Finished difference Result 2000 states and 3725 transitions. [2022-02-09 01:59:16,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 01:59:16,458 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 [2022-02-09 01:59:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:16,460 INFO L225 Difference]: With dead ends: 2000 [2022-02-09 01:59:16,460 INFO L226 Difference]: Without dead ends: 2000 [2022-02-09 01:59:16,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-02-09 01:59:16,461 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 228 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:16,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 847 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2022-02-09 01:59:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1482. [2022-02-09 01:59:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1475 states have (on average 1.8684745762711865) internal successors, (2756), 1481 states have internal predecessors, (2756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 2756 transitions. [2022-02-09 01:59:16,480 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 2756 transitions. Word has length 113 [2022-02-09 01:59:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:16,480 INFO L470 AbstractCegarLoop]: Abstraction has 1482 states and 2756 transitions. [2022-02-09 01:59:16,480 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) [2022-02-09 01:59:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2756 transitions. [2022-02-09 01:59:16,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:16,482 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:16,482 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:16,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-09 01:59:16,483 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:16,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:16,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1780511441, now seen corresponding path program 20 times [2022-02-09 01:59:16,483 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:16,483 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103357966] [2022-02-09 01:59:16,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:16,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:17,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:17,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103357966] [2022-02-09 01:59:17,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103357966] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:17,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:17,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:17,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518854927] [2022-02-09 01:59:17,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:17,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:17,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:17,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:17,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:17,254 INFO L87 Difference]: Start difference. First operand 1482 states and 2756 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) [2022-02-09 01:59:18,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:18,329 INFO L93 Difference]: Finished difference Result 1915 states and 3564 transitions. [2022-02-09 01:59:18,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 01:59:18,330 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 [2022-02-09 01:59:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:18,332 INFO L225 Difference]: With dead ends: 1915 [2022-02-09 01:59:18,332 INFO L226 Difference]: Without dead ends: 1915 [2022-02-09 01:59:18,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-02-09 01:59:18,332 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 227 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:18,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 1062 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:18,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2022-02-09 01:59:18,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1480. [2022-02-09 01:59:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1473 states have (on average 1.868295994568907) internal successors, (2752), 1479 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2752 transitions. [2022-02-09 01:59:18,346 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2752 transitions. Word has length 113 [2022-02-09 01:59:18,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:18,346 INFO L470 AbstractCegarLoop]: Abstraction has 1480 states and 2752 transitions. [2022-02-09 01:59:18,346 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) [2022-02-09 01:59:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2752 transitions. [2022-02-09 01:59:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:18,348 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:18,348 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:18,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-09 01:59:18,348 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:18,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:18,348 INFO L85 PathProgramCache]: Analyzing trace with hash -960869493, now seen corresponding path program 21 times [2022-02-09 01:59:18,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:18,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614120784] [2022-02-09 01:59:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:18,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:19,056 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:19,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614120784] [2022-02-09 01:59:19,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614120784] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:19,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:19,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:19,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851714632] [2022-02-09 01:59:19,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:19,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:19,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:19,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:19,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:19,058 INFO L87 Difference]: Start difference. First operand 1480 states and 2752 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) [2022-02-09 01:59:19,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:19,769 INFO L93 Difference]: Finished difference Result 1719 states and 3187 transitions. [2022-02-09 01:59:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 01:59:19,769 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 [2022-02-09 01:59:19,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:19,771 INFO L225 Difference]: With dead ends: 1719 [2022-02-09 01:59:19,771 INFO L226 Difference]: Without dead ends: 1719 [2022-02-09 01:59:19,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-02-09 01:59:19,772 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 233 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:19,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 825 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:19,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2022-02-09 01:59:19,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1451. [2022-02-09 01:59:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1444 states have (on average 1.8649584487534625) internal successors, (2693), 1450 states have internal predecessors, (2693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2693 transitions. [2022-02-09 01:59:19,785 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2693 transitions. Word has length 113 [2022-02-09 01:59:19,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:19,785 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2693 transitions. [2022-02-09 01:59:19,785 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) [2022-02-09 01:59:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2693 transitions. [2022-02-09 01:59:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:19,787 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:19,787 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:19,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-09 01:59:19,787 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:19,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1865798207, now seen corresponding path program 7 times [2022-02-09 01:59:19,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:19,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961942407] [2022-02-09 01:59:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:19,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:20,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:20,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961942407] [2022-02-09 01:59:20,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961942407] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:20,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:20,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:20,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028871430] [2022-02-09 01:59:20,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:20,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:20,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:20,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:20,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:20,236 INFO L87 Difference]: Start difference. First operand 1451 states and 2693 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) [2022-02-09 01:59:20,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:20,784 INFO L93 Difference]: Finished difference Result 1810 states and 3328 transitions. [2022-02-09 01:59:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:59:20,785 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 [2022-02-09 01:59:20,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:20,787 INFO L225 Difference]: With dead ends: 1810 [2022-02-09 01:59:20,787 INFO L226 Difference]: Without dead ends: 1810 [2022-02-09 01:59:20,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:59:20,788 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 180 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:20,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 633 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-02-09 01:59:20,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1446. [2022-02-09 01:59:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1439 states have (on average 1.8644892286309938) internal successors, (2683), 1445 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) [2022-02-09 01:59:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2683 transitions. [2022-02-09 01:59:20,802 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2683 transitions. Word has length 113 [2022-02-09 01:59:20,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:20,803 INFO L470 AbstractCegarLoop]: Abstraction has 1446 states and 2683 transitions. [2022-02-09 01:59:20,803 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) [2022-02-09 01:59:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2683 transitions. [2022-02-09 01:59:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:20,804 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:20,804 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:20,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-09 01:59:20,804 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:20,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1213434585, now seen corresponding path program 8 times [2022-02-09 01:59:20,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:20,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698384323] [2022-02-09 01:59:20,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:20,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:21,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:21,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698384323] [2022-02-09 01:59:21,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698384323] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:21,076 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:21,077 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:21,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77894549] [2022-02-09 01:59:21,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:21,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:21,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:21,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:21,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:21,077 INFO L87 Difference]: Start difference. First operand 1446 states and 2683 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) [2022-02-09 01:59:21,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:21,376 INFO L93 Difference]: Finished difference Result 1526 states and 2822 transitions. [2022-02-09 01:59:21,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:21,376 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 [2022-02-09 01:59:21,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:21,378 INFO L225 Difference]: With dead ends: 1526 [2022-02-09 01:59:21,378 INFO L226 Difference]: Without dead ends: 1526 [2022-02-09 01:59:21,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 01:59:21,379 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 113 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:21,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 495 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:59:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2022-02-09 01:59:21,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1440. [2022-02-09 01:59:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.8639218422889043) internal successors, (2671), 1439 states have internal predecessors, (2671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2671 transitions. [2022-02-09 01:59:21,392 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2671 transitions. Word has length 113 [2022-02-09 01:59:21,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:21,392 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2671 transitions. [2022-02-09 01:59:21,392 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) [2022-02-09 01:59:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2671 transitions. [2022-02-09 01:59:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:21,394 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:21,394 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:21,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-09 01:59:21,394 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:21,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:21,394 INFO L85 PathProgramCache]: Analyzing trace with hash 631717261, now seen corresponding path program 9 times [2022-02-09 01:59:21,394 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:21,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154810669] [2022-02-09 01:59:21,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:21,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:21,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:21,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154810669] [2022-02-09 01:59:21,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154810669] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:21,833 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:21,834 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 01:59:21,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387356368] [2022-02-09 01:59:21,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:21,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 01:59:21,834 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:21,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 01:59:21,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:21,834 INFO L87 Difference]: Start difference. First operand 1440 states and 2671 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) [2022-02-09 01:59:22,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:22,897 INFO L93 Difference]: Finished difference Result 1733 states and 3193 transitions. [2022-02-09 01:59:22,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 01:59:22,897 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 [2022-02-09 01:59:22,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:22,899 INFO L225 Difference]: With dead ends: 1733 [2022-02-09 01:59:22,899 INFO L226 Difference]: Without dead ends: 1733 [2022-02-09 01:59:22,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 01:59:22,900 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 645 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:22,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 1470 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2022-02-09 01:59:22,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1441. [2022-02-09 01:59:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8640167364016735) internal successors, (2673), 1440 states have internal predecessors, (2673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2673 transitions. [2022-02-09 01:59:22,913 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2673 transitions. Word has length 113 [2022-02-09 01:59:22,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:22,913 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2673 transitions. [2022-02-09 01:59:22,913 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) [2022-02-09 01:59:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2673 transitions. [2022-02-09 01:59:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:22,915 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:22,915 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:22,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-09 01:59:22,915 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:22,915 INFO L85 PathProgramCache]: Analyzing trace with hash -855714931, now seen corresponding path program 10 times [2022-02-09 01:59:22,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:22,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501589911] [2022-02-09 01:59:22,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:22,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:23,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:23,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501589911] [2022-02-09 01:59:23,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501589911] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:23,285 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:23,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:23,285 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870923312] [2022-02-09 01:59:23,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:23,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:23,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:23,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:23,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:23,286 INFO L87 Difference]: Start difference. First operand 1441 states and 2673 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) [2022-02-09 01:59:23,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:23,783 INFO L93 Difference]: Finished difference Result 1550 states and 2855 transitions. [2022-02-09 01:59:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:59:23,783 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 [2022-02-09 01:59:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:23,785 INFO L225 Difference]: With dead ends: 1550 [2022-02-09 01:59:23,785 INFO L226 Difference]: Without dead ends: 1550 [2022-02-09 01:59:23,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2022-02-09 01:59:23,786 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 112 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:23,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 550 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:59:23,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-02-09 01:59:23,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1442. [2022-02-09 01:59:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.8641114982578397) internal successors, (2675), 1441 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2675 transitions. [2022-02-09 01:59:23,801 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2675 transitions. Word has length 113 [2022-02-09 01:59:23,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:23,801 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2675 transitions. [2022-02-09 01:59:23,801 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) [2022-02-09 01:59:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2675 transitions. [2022-02-09 01:59:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:23,802 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:23,802 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:23,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-09 01:59:23,803 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:23,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:23,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1274969103, now seen corresponding path program 11 times [2022-02-09 01:59:23,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:23,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780060783] [2022-02-09 01:59:23,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:23,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:24,186 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:24,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780060783] [2022-02-09 01:59:24,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780060783] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:24,187 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:24,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:24,187 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625213637] [2022-02-09 01:59:24,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:24,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:24,187 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:24,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:24,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:24,188 INFO L87 Difference]: Start difference. First operand 1442 states and 2675 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) [2022-02-09 01:59:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:24,633 INFO L93 Difference]: Finished difference Result 1551 states and 2857 transitions. [2022-02-09 01:59:24,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:59:24,633 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 [2022-02-09 01:59:24,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:24,635 INFO L225 Difference]: With dead ends: 1551 [2022-02-09 01:59:24,635 INFO L226 Difference]: Without dead ends: 1551 [2022-02-09 01:59:24,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-02-09 01:59:24,636 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 116 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:24,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 477 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:59:24,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-02-09 01:59:24,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1439. [2022-02-09 01:59:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1432 states have (on average 1.863826815642458) internal successors, (2669), 1438 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2669 transitions. [2022-02-09 01:59:24,649 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2669 transitions. Word has length 113 [2022-02-09 01:59:24,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:24,649 INFO L470 AbstractCegarLoop]: Abstraction has 1439 states and 2669 transitions. [2022-02-09 01:59:24,649 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) [2022-02-09 01:59:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2669 transitions. [2022-02-09 01:59:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:24,651 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:24,651 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:24,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-09 01:59:24,651 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:24,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:24,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2053611957, now seen corresponding path program 12 times [2022-02-09 01:59:24,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:24,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923931779] [2022-02-09 01:59:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:24,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:24,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:24,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923931779] [2022-02-09 01:59:24,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923931779] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:24,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:24,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:24,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308478869] [2022-02-09 01:59:24,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:24,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:24,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:24,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:24,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:24,885 INFO L87 Difference]: Start difference. First operand 1439 states and 2669 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) [2022-02-09 01:59:25,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:25,219 INFO L93 Difference]: Finished difference Result 1508 states and 2786 transitions. [2022-02-09 01:59:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:25,219 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 [2022-02-09 01:59:25,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:25,221 INFO L225 Difference]: With dead ends: 1508 [2022-02-09 01:59:25,221 INFO L226 Difference]: Without dead ends: 1508 [2022-02-09 01:59:25,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-09 01:59:25,221 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 130 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:25,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 631 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:59:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2022-02-09 01:59:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1432. [2022-02-09 01:59:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8631578947368421) internal successors, (2655), 1431 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) [2022-02-09 01:59:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2655 transitions. [2022-02-09 01:59:25,233 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2655 transitions. Word has length 113 [2022-02-09 01:59:25,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:25,233 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2655 transitions. [2022-02-09 01:59:25,234 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) [2022-02-09 01:59:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2655 transitions. [2022-02-09 01:59:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:25,235 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:25,235 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:25,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-09 01:59:25,235 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:25,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:25,235 INFO L85 PathProgramCache]: Analyzing trace with hash 566179765, now seen corresponding path program 13 times [2022-02-09 01:59:25,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:25,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738335778] [2022-02-09 01:59:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:25,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:25,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:25,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738335778] [2022-02-09 01:59:25,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738335778] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:25,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:25,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 01:59:25,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482282875] [2022-02-09 01:59:25,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:25,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 01:59:25,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:25,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 01:59:25,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:25,732 INFO L87 Difference]: Start difference. First operand 1432 states and 2655 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) [2022-02-09 01:59:26,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:26,826 INFO L93 Difference]: Finished difference Result 1699 states and 3125 transitions. [2022-02-09 01:59:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 01:59:26,826 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 [2022-02-09 01:59:26,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:26,828 INFO L225 Difference]: With dead ends: 1699 [2022-02-09 01:59:26,828 INFO L226 Difference]: Without dead ends: 1699 [2022-02-09 01:59:26,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=359, Invalid=1281, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 01:59:26,829 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 730 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:26,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 1477 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:26,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2022-02-09 01:59:26,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1433. [2022-02-09 01:59:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1426 states have (on average 1.8632538569424966) internal successors, (2657), 1432 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) [2022-02-09 01:59:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2657 transitions. [2022-02-09 01:59:26,842 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2657 transitions. Word has length 113 [2022-02-09 01:59:26,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:26,842 INFO L470 AbstractCegarLoop]: Abstraction has 1433 states and 2657 transitions. [2022-02-09 01:59:26,842 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) [2022-02-09 01:59:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2657 transitions. [2022-02-09 01:59:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:26,844 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:26,844 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:26,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-09 01:59:26,844 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:26,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:26,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1598103497, now seen corresponding path program 14 times [2022-02-09 01:59:26,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:26,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766509625] [2022-02-09 01:59:26,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:26,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:27,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:27,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766509625] [2022-02-09 01:59:27,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766509625] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:27,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:27,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:27,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075609608] [2022-02-09 01:59:27,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:27,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:27,378 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:27,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:27,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:27,379 INFO L87 Difference]: Start difference. First operand 1433 states and 2657 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) [2022-02-09 01:59:27,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:27,876 INFO L93 Difference]: Finished difference Result 1535 states and 2825 transitions. [2022-02-09 01:59:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:59:27,876 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 [2022-02-09 01:59:27,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:27,878 INFO L225 Difference]: With dead ends: 1535 [2022-02-09 01:59:27,878 INFO L226 Difference]: Without dead ends: 1535 [2022-02-09 01:59:27,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:59:27,879 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 121 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:27,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 768 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:27,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-02-09 01:59:27,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1431. [2022-02-09 01:59:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1424 states have (on average 1.863061797752809) internal successors, (2653), 1430 states have internal predecessors, (2653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2653 transitions. [2022-02-09 01:59:27,892 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2653 transitions. Word has length 113 [2022-02-09 01:59:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:27,892 INFO L470 AbstractCegarLoop]: Abstraction has 1431 states and 2653 transitions. [2022-02-09 01:59:27,892 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) [2022-02-09 01:59:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2653 transitions. [2022-02-09 01:59:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:27,893 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:27,893 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:27,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-09 01:59:27,894 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:27,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1092675235, now seen corresponding path program 15 times [2022-02-09 01:59:27,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:27,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564383615] [2022-02-09 01:59:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:27,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:28,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:28,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564383615] [2022-02-09 01:59:28,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564383615] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:28,292 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:28,292 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 01:59:28,292 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141983593] [2022-02-09 01:59:28,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:28,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 01:59:28,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:28,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 01:59:28,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:28,293 INFO L87 Difference]: Start difference. First operand 1431 states and 2653 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) [2022-02-09 01:59:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:29,087 INFO L93 Difference]: Finished difference Result 1636 states and 3021 transitions. [2022-02-09 01:59:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 01:59:29,088 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 [2022-02-09 01:59:29,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:29,090 INFO L225 Difference]: With dead ends: 1636 [2022-02-09 01:59:29,090 INFO L226 Difference]: Without dead ends: 1636 [2022-02-09 01:59:29,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2022-02-09 01:59:29,090 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 721 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1287 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:29,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [721 Valid, 1287 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:29,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-02-09 01:59:29,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1431. [2022-02-09 01:59:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1424 states have (on average 1.863061797752809) internal successors, (2653), 1430 states have internal predecessors, (2653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2653 transitions. [2022-02-09 01:59:29,103 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2653 transitions. Word has length 113 [2022-02-09 01:59:29,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:29,103 INFO L470 AbstractCegarLoop]: Abstraction has 1431 states and 2653 transitions. [2022-02-09 01:59:29,103 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) [2022-02-09 01:59:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2653 transitions. [2022-02-09 01:59:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:29,104 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:29,104 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:29,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-09 01:59:29,105 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:29,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:29,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1108429891, now seen corresponding path program 16 times [2022-02-09 01:59:29,105 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:29,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030985933] [2022-02-09 01:59:29,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:29,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:29,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:29,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030985933] [2022-02-09 01:59:29,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030985933] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:29,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:29,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:29,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330170658] [2022-02-09 01:59:29,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:29,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:29,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:29,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:29,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:29,417 INFO L87 Difference]: Start difference. First operand 1431 states and 2653 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) [2022-02-09 01:59:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:29,853 INFO L93 Difference]: Finished difference Result 1500 states and 2762 transitions. [2022-02-09 01:59:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:29,854 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 [2022-02-09 01:59:29,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:29,856 INFO L225 Difference]: With dead ends: 1500 [2022-02-09 01:59:29,856 INFO L226 Difference]: Without dead ends: 1500 [2022-02-09 01:59:29,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-09 01:59:29,857 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 166 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:29,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 655 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:29,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2022-02-09 01:59:29,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1432. [2022-02-09 01:59:29,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8631578947368421) internal successors, (2655), 1431 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) [2022-02-09 01:59:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2655 transitions. [2022-02-09 01:59:29,869 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2655 transitions. Word has length 113 [2022-02-09 01:59:29,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:29,870 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2655 transitions. [2022-02-09 01:59:29,870 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) [2022-02-09 01:59:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2655 transitions. [2022-02-09 01:59:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:29,871 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:29,872 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:29,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-09 01:59:29,872 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:29,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1055853371, now seen corresponding path program 17 times [2022-02-09 01:59:29,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:29,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967892050] [2022-02-09 01:59:29,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:29,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:30,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:30,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967892050] [2022-02-09 01:59:30,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967892050] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:30,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:30,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 01:59:30,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381571225] [2022-02-09 01:59:30,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:30,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 01:59:30,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:30,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 01:59:30,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:30,272 INFO L87 Difference]: Start difference. First operand 1432 states and 2655 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) [2022-02-09 01:59:31,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:31,261 INFO L93 Difference]: Finished difference Result 1655 states and 3052 transitions. [2022-02-09 01:59:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 01:59:31,261 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 [2022-02-09 01:59:31,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:31,263 INFO L225 Difference]: With dead ends: 1655 [2022-02-09 01:59:31,263 INFO L226 Difference]: Without dead ends: 1655 [2022-02-09 01:59:31,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2022-02-09 01:59:31,264 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 691 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:31,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 1601 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:31,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2022-02-09 01:59:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1431. [2022-02-09 01:59:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1424 states have (on average 1.863061797752809) internal successors, (2653), 1430 states have internal predecessors, (2653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2653 transitions. [2022-02-09 01:59:31,277 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2653 transitions. Word has length 113 [2022-02-09 01:59:31,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:31,277 INFO L470 AbstractCegarLoop]: Abstraction has 1431 states and 2653 transitions. [2022-02-09 01:59:31,277 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) [2022-02-09 01:59:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2653 transitions. [2022-02-09 01:59:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:31,279 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:31,279 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:31,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-09 01:59:31,279 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:31,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:31,279 INFO L85 PathProgramCache]: Analyzing trace with hash 512524643, now seen corresponding path program 22 times [2022-02-09 01:59:31,279 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:31,279 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265364791] [2022-02-09 01:59:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:31,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:31,533 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:31,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265364791] [2022-02-09 01:59:31,533 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265364791] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:31,533 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:31,533 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:31,533 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113242105] [2022-02-09 01:59:31,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:31,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:31,533 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:31,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:31,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:31,534 INFO L87 Difference]: Start difference. First operand 1431 states and 2653 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) [2022-02-09 01:59:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:31,914 INFO L93 Difference]: Finished difference Result 1902 states and 3497 transitions. [2022-02-09 01:59:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:31,914 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 [2022-02-09 01:59:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:31,916 INFO L225 Difference]: With dead ends: 1902 [2022-02-09 01:59:31,916 INFO L226 Difference]: Without dead ends: 1902 [2022-02-09 01:59:31,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:31,917 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 209 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:31,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 515 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:31,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2022-02-09 01:59:31,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1488. [2022-02-09 01:59:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1481 states have (on average 1.8683322079675895) internal successors, (2767), 1487 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2767 transitions. [2022-02-09 01:59:31,931 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2767 transitions. Word has length 113 [2022-02-09 01:59:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:31,931 INFO L470 AbstractCegarLoop]: Abstraction has 1488 states and 2767 transitions. [2022-02-09 01:59:31,931 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) [2022-02-09 01:59:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2767 transitions. [2022-02-09 01:59:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:31,932 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:31,932 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:31,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-09 01:59:31,933 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:31,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1627243649, now seen corresponding path program 2 times [2022-02-09 01:59:31,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:31,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92783406] [2022-02-09 01:59:31,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:31,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:32,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:32,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92783406] [2022-02-09 01:59:32,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92783406] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:32,202 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:32,202 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:32,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128164237] [2022-02-09 01:59:32,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:32,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:32,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:32,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:32,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:32,203 INFO L87 Difference]: Start difference. First operand 1488 states and 2767 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) [2022-02-09 01:59:32,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:32,484 INFO L93 Difference]: Finished difference Result 1913 states and 3518 transitions. [2022-02-09 01:59:32,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:32,484 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 [2022-02-09 01:59:32,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:32,486 INFO L225 Difference]: With dead ends: 1913 [2022-02-09 01:59:32,486 INFO L226 Difference]: Without dead ends: 1913 [2022-02-09 01:59:32,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:32,487 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 201 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:32,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 368 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2022-02-09 01:59:32,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1468. [2022-02-09 01:59:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1461 states have (on average 1.8672142368240932) internal successors, (2728), 1467 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2728 transitions. [2022-02-09 01:59:32,502 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2728 transitions. Word has length 113 [2022-02-09 01:59:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:32,503 INFO L470 AbstractCegarLoop]: Abstraction has 1468 states and 2728 transitions. [2022-02-09 01:59:32,503 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) [2022-02-09 01:59:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2728 transitions. [2022-02-09 01:59:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:32,504 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:32,504 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:32,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-09 01:59:32,505 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:32,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:32,505 INFO L85 PathProgramCache]: Analyzing trace with hash -557415706, now seen corresponding path program 5 times [2022-02-09 01:59:32,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:32,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224089060] [2022-02-09 01:59:32,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:32,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:33,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:33,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224089060] [2022-02-09 01:59:33,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224089060] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:33,183 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:33,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:33,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061488276] [2022-02-09 01:59:33,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:33,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:33,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:33,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:33,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:33,184 INFO L87 Difference]: Start difference. First operand 1468 states and 2728 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) [2022-02-09 01:59:33,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:33,683 INFO L93 Difference]: Finished difference Result 2090 states and 3852 transitions. [2022-02-09 01:59:33,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:33,684 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 [2022-02-09 01:59:33,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:33,686 INFO L225 Difference]: With dead ends: 2090 [2022-02-09 01:59:33,686 INFO L226 Difference]: Without dead ends: 2090 [2022-02-09 01:59:33,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2022-02-09 01:59:33,687 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 306 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:33,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 574 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:33,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2022-02-09 01:59:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 1503. [2022-02-09 01:59:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1496 states have (on average 1.8703208556149733) internal successors, (2798), 1502 states have internal predecessors, (2798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2798 transitions. [2022-02-09 01:59:33,701 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2798 transitions. Word has length 113 [2022-02-09 01:59:33,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:33,702 INFO L470 AbstractCegarLoop]: Abstraction has 1503 states and 2798 transitions. [2022-02-09 01:59:33,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:33,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2798 transitions. [2022-02-09 01:59:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:33,703 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:33,703 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:33,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-09 01:59:33,703 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:33,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:33,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1692232760, now seen corresponding path program 6 times [2022-02-09 01:59:33,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:33,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343239886] [2022-02-09 01:59:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:33,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:34,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:34,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343239886] [2022-02-09 01:59:34,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343239886] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:34,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:34,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:34,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545062769] [2022-02-09 01:59:34,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:34,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:34,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:34,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:34,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:34,415 INFO L87 Difference]: Start difference. First operand 1503 states and 2798 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) [2022-02-09 01:59:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:35,075 INFO L93 Difference]: Finished difference Result 2126 states and 3924 transitions. [2022-02-09 01:59:35,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:59:35,076 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 [2022-02-09 01:59:35,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:35,078 INFO L225 Difference]: With dead ends: 2126 [2022-02-09 01:59:35,078 INFO L226 Difference]: Without dead ends: 2126 [2022-02-09 01:59:35,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2022-02-09 01:59:35,079 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 274 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:35,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 751 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:35,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2022-02-09 01:59:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 1507. [2022-02-09 01:59:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1500 states have (on average 1.8706666666666667) internal successors, (2806), 1506 states have internal predecessors, (2806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2806 transitions. [2022-02-09 01:59:35,093 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2806 transitions. Word has length 113 [2022-02-09 01:59:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:35,093 INFO L470 AbstractCegarLoop]: Abstraction has 1507 states and 2806 transitions. [2022-02-09 01:59:35,093 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) [2022-02-09 01:59:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2806 transitions. [2022-02-09 01:59:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:35,095 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:35,095 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:35,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-09 01:59:35,095 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:35,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:35,095 INFO L85 PathProgramCache]: Analyzing trace with hash 390081924, now seen corresponding path program 7 times [2022-02-09 01:59:35,095 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:35,095 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540585305] [2022-02-09 01:59:35,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:35,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:35,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:35,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540585305] [2022-02-09 01:59:35,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540585305] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:35,714 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:35,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:35,714 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331679662] [2022-02-09 01:59:35,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:35,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:35,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:35,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:35,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:35,715 INFO L87 Difference]: Start difference. First operand 1507 states and 2806 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) [2022-02-09 01:59:36,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:36,199 INFO L93 Difference]: Finished difference Result 2112 states and 3896 transitions. [2022-02-09 01:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:59:36,200 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 [2022-02-09 01:59:36,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:36,202 INFO L225 Difference]: With dead ends: 2112 [2022-02-09 01:59:36,202 INFO L226 Difference]: Without dead ends: 2112 [2022-02-09 01:59:36,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-09 01:59:36,203 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 250 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:36,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 596 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:36,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2022-02-09 01:59:36,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 1511. [2022-02-09 01:59:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1504 states have (on average 1.8710106382978724) internal successors, (2814), 1510 states have internal predecessors, (2814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2814 transitions. [2022-02-09 01:59:36,217 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2814 transitions. Word has length 113 [2022-02-09 01:59:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:36,217 INFO L470 AbstractCegarLoop]: Abstraction has 1511 states and 2814 transitions. [2022-02-09 01:59:36,217 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) [2022-02-09 01:59:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2814 transitions. [2022-02-09 01:59:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:36,219 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:36,219 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:36,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-09 01:59:36,219 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:36,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:36,219 INFO L85 PathProgramCache]: Analyzing trace with hash 282069162, now seen corresponding path program 8 times [2022-02-09 01:59:36,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:36,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417705277] [2022-02-09 01:59:36,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:36,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:36,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:36,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417705277] [2022-02-09 01:59:36,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417705277] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:36,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:36,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:36,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016187307] [2022-02-09 01:59:36,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:36,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:36,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:36,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:36,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:36,850 INFO L87 Difference]: Start difference. First operand 1511 states and 2814 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) [2022-02-09 01:59:37,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:37,224 INFO L93 Difference]: Finished difference Result 2060 states and 3792 transitions. [2022-02-09 01:59:37,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:59:37,224 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 [2022-02-09 01:59:37,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:37,226 INFO L225 Difference]: With dead ends: 2060 [2022-02-09 01:59:37,226 INFO L226 Difference]: Without dead ends: 2060 [2022-02-09 01:59:37,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:37,227 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 251 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:37,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 425 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2022-02-09 01:59:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 1507. [2022-02-09 01:59:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1500 states have (on average 1.8706666666666667) internal successors, (2806), 1506 states have internal predecessors, (2806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2806 transitions. [2022-02-09 01:59:37,243 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2806 transitions. Word has length 113 [2022-02-09 01:59:37,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:37,243 INFO L470 AbstractCegarLoop]: Abstraction has 1507 states and 2806 transitions. [2022-02-09 01:59:37,243 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) [2022-02-09 01:59:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2806 transitions. [2022-02-09 01:59:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:37,245 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:37,245 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:37,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-09 01:59:37,245 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:37,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash -59279533, now seen corresponding path program 18 times [2022-02-09 01:59:37,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:37,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550551010] [2022-02-09 01:59:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:37,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:37,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:37,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550551010] [2022-02-09 01:59:37,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550551010] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:37,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:37,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:37,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685405815] [2022-02-09 01:59:37,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:37,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:37,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:37,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:37,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:37,363 INFO L87 Difference]: Start difference. First operand 1507 states and 2806 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) [2022-02-09 01:59:37,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:37,917 INFO L93 Difference]: Finished difference Result 1982 states and 3655 transitions. [2022-02-09 01:59:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 01:59:37,917 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 [2022-02-09 01:59:37,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:37,920 INFO L225 Difference]: With dead ends: 1982 [2022-02-09 01:59:37,920 INFO L226 Difference]: Without dead ends: 1982 [2022-02-09 01:59:37,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2022-02-09 01:59:37,920 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 302 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:37,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 697 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:37,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2022-02-09 01:59:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1506. [2022-02-09 01:59:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1499 states have (on average 1.8705803869246165) internal successors, (2804), 1505 states have internal predecessors, (2804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 2804 transitions. [2022-02-09 01:59:37,948 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 2804 transitions. Word has length 113 [2022-02-09 01:59:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:37,948 INFO L470 AbstractCegarLoop]: Abstraction has 1506 states and 2804 transitions. [2022-02-09 01:59:37,948 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) [2022-02-09 01:59:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 2804 transitions. [2022-02-09 01:59:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:37,950 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:37,950 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:37,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-09 01:59:37,950 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:37,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:37,951 INFO L85 PathProgramCache]: Analyzing trace with hash -143889073, now seen corresponding path program 19 times [2022-02-09 01:59:37,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:37,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497587132] [2022-02-09 01:59:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:37,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:38,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:38,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497587132] [2022-02-09 01:59:38,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497587132] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:38,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:38,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:38,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456451949] [2022-02-09 01:59:38,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:38,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:38,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:38,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:38,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:38,241 INFO L87 Difference]: Start difference. First operand 1506 states and 2804 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) [2022-02-09 01:59:38,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:38,572 INFO L93 Difference]: Finished difference Result 1996 states and 3676 transitions. [2022-02-09 01:59:38,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:38,572 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 [2022-02-09 01:59:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:38,574 INFO L225 Difference]: With dead ends: 1996 [2022-02-09 01:59:38,574 INFO L226 Difference]: Without dead ends: 1996 [2022-02-09 01:59:38,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:38,575 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 193 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:38,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 509 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:38,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2022-02-09 01:59:38,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1332. [2022-02-09 01:59:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1325 states have (on average 1.8558490566037735) internal successors, (2459), 1331 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 2459 transitions. [2022-02-09 01:59:38,587 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 2459 transitions. Word has length 113 [2022-02-09 01:59:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:38,587 INFO L470 AbstractCegarLoop]: Abstraction has 1332 states and 2459 transitions. [2022-02-09 01:59:38,587 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) [2022-02-09 01:59:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 2459 transitions. [2022-02-09 01:59:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:38,588 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:38,588 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:38,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-09 01:59:38,588 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:38,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:38,589 INFO L85 PathProgramCache]: Analyzing trace with hash -572567800, now seen corresponding path program 9 times [2022-02-09 01:59:38,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:38,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264232682] [2022-02-09 01:59:38,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:38,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:39,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:39,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264232682] [2022-02-09 01:59:39,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264232682] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:39,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:39,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:39,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078909917] [2022-02-09 01:59:39,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:39,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:39,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:39,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:39,262 INFO L87 Difference]: Start difference. First operand 1332 states and 2459 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) [2022-02-09 01:59:40,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:40,070 INFO L93 Difference]: Finished difference Result 1672 states and 3084 transitions. [2022-02-09 01:59:40,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:40,070 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 [2022-02-09 01:59:40,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:40,072 INFO L225 Difference]: With dead ends: 1672 [2022-02-09 01:59:40,072 INFO L226 Difference]: Without dead ends: 1672 [2022-02-09 01:59:40,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=121, Unknown=0, NotChecked=0, Total=210 [2022-02-09 01:59:40,072 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 238 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:40,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 967 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 01:59:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2022-02-09 01:59:40,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1346. [2022-02-09 01:59:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1339 states have (on average 1.8573562359970126) internal successors, (2487), 1345 states have internal predecessors, (2487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 2487 transitions. [2022-02-09 01:59:40,084 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 2487 transitions. Word has length 113 [2022-02-09 01:59:40,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:40,084 INFO L470 AbstractCegarLoop]: Abstraction has 1346 states and 2487 transitions. [2022-02-09 01:59:40,084 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) [2022-02-09 01:59:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 2487 transitions. [2022-02-09 01:59:40,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:40,085 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:40,085 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:40,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-09 01:59:40,085 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:40,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:40,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1707384854, now seen corresponding path program 10 times [2022-02-09 01:59:40,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:40,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759373456] [2022-02-09 01:59:40,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:40,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:40,768 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:40,768 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759373456] [2022-02-09 01:59:40,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759373456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:40,768 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:40,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:40,768 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205230863] [2022-02-09 01:59:40,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:40,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:40,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:40,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:40,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:40,769 INFO L87 Difference]: Start difference. First operand 1346 states and 2487 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) [2022-02-09 01:59:41,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:41,355 INFO L93 Difference]: Finished difference Result 1702 states and 3144 transitions. [2022-02-09 01:59:41,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:59:41,356 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 [2022-02-09 01:59:41,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:41,358 INFO L225 Difference]: With dead ends: 1702 [2022-02-09 01:59:41,358 INFO L226 Difference]: Without dead ends: 1702 [2022-02-09 01:59:41,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=139, Unknown=0, NotChecked=0, Total=240 [2022-02-09 01:59:41,358 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 258 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:41,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 482 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:41,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-02-09 01:59:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1339. [2022-02-09 01:59:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1332 states have (on average 1.8566066066066067) internal successors, (2473), 1338 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2473 transitions. [2022-02-09 01:59:41,372 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2473 transitions. Word has length 113 [2022-02-09 01:59:41,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:41,372 INFO L470 AbstractCegarLoop]: Abstraction has 1339 states and 2473 transitions. [2022-02-09 01:59:41,372 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) [2022-02-09 01:59:41,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2473 transitions. [2022-02-09 01:59:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:41,373 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:41,373 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:41,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-09 01:59:41,374 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:41,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:41,375 INFO L85 PathProgramCache]: Analyzing trace with hash 374929830, now seen corresponding path program 11 times [2022-02-09 01:59:41,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:41,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609700619] [2022-02-09 01:59:41,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:41,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:41,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:41,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609700619] [2022-02-09 01:59:41,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609700619] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:41,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:41,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:41,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93754649] [2022-02-09 01:59:41,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:41,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:41,979 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:41,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:41,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:41,979 INFO L87 Difference]: Start difference. First operand 1339 states and 2473 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) [2022-02-09 01:59:42,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:42,597 INFO L93 Difference]: Finished difference Result 1698 states and 3136 transitions. [2022-02-09 01:59:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:59:42,597 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 [2022-02-09 01:59:42,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:42,599 INFO L225 Difference]: With dead ends: 1698 [2022-02-09 01:59:42,599 INFO L226 Difference]: Without dead ends: 1698 [2022-02-09 01:59:42,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=107, Unknown=0, NotChecked=0, Total=182 [2022-02-09 01:59:42,600 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 209 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:42,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 732 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:42,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2022-02-09 01:59:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1332. [2022-02-09 01:59:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1325 states have (on average 1.8558490566037735) internal successors, (2459), 1331 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 2459 transitions. [2022-02-09 01:59:42,611 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 2459 transitions. Word has length 113 [2022-02-09 01:59:42,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:42,612 INFO L470 AbstractCegarLoop]: Abstraction has 1332 states and 2459 transitions. [2022-02-09 01:59:42,612 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) [2022-02-09 01:59:42,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 2459 transitions. [2022-02-09 01:59:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:42,613 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:42,613 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:42,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-09 01:59:42,614 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:42,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:42,615 INFO L85 PathProgramCache]: Analyzing trace with hash 266917068, now seen corresponding path program 12 times [2022-02-09 01:59:42,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:42,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424620287] [2022-02-09 01:59:42,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:42,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:43,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:43,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424620287] [2022-02-09 01:59:43,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424620287] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:43,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:43,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:43,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046554032] [2022-02-09 01:59:43,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:43,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:43,274 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:43,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:43,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:43,274 INFO L87 Difference]: Start difference. First operand 1332 states and 2459 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) [2022-02-09 01:59:43,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:43,621 INFO L93 Difference]: Finished difference Result 1605 states and 2965 transitions. [2022-02-09 01:59:43,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:43,621 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-09 01:59:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:43,623 INFO L225 Difference]: With dead ends: 1605 [2022-02-09 01:59:43,623 INFO L226 Difference]: Without dead ends: 1605 [2022-02-09 01:59:43,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=91, Unknown=0, NotChecked=0, Total=156 [2022-02-09 01:59:43,624 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 193 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:43,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 417 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:43,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2022-02-09 01:59:43,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1349. [2022-02-09 01:59:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1342 states have (on average 1.8576751117734724) internal successors, (2493), 1348 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:43,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2493 transitions. [2022-02-09 01:59:43,636 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2493 transitions. Word has length 113 [2022-02-09 01:59:43,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:43,636 INFO L470 AbstractCegarLoop]: Abstraction has 1349 states and 2493 transitions. [2022-02-09 01:59:43,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2493 transitions. [2022-02-09 01:59:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:43,638 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:43,638 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:43,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-09 01:59:43,638 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:43,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:43,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1602348004, now seen corresponding path program 13 times [2022-02-09 01:59:43,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:43,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402881017] [2022-02-09 01:59:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:43,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:44,302 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:44,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:44,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402881017] [2022-02-09 01:59:44,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402881017] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:44,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:44,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:44,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359553855] [2022-02-09 01:59:44,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:44,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:44,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:44,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:44,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:44,304 INFO L87 Difference]: Start difference. First operand 1349 states and 2493 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) [2022-02-09 01:59:44,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:44,926 INFO L93 Difference]: Finished difference Result 1658 states and 3058 transitions. [2022-02-09 01:59:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:44,927 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 [2022-02-09 01:59:44,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:44,929 INFO L225 Difference]: With dead ends: 1658 [2022-02-09 01:59:44,929 INFO L226 Difference]: Without dead ends: 1658 [2022-02-09 01:59:44,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=139, Unknown=0, NotChecked=0, Total=240 [2022-02-09 01:59:44,929 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 263 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:44,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 577 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:44,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2022-02-09 01:59:44,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1356. [2022-02-09 01:59:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1349 states have (on average 1.8584136397331357) internal successors, (2507), 1355 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) [2022-02-09 01:59:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 2507 transitions. [2022-02-09 01:59:44,942 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 2507 transitions. Word has length 113 [2022-02-09 01:59:44,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:44,942 INFO L470 AbstractCegarLoop]: Abstraction has 1356 states and 2507 transitions. [2022-02-09 01:59:44,942 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) [2022-02-09 01:59:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 2507 transitions. [2022-02-09 01:59:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:44,943 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:44,943 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:44,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-09 01:59:44,944 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:44,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:44,944 INFO L85 PathProgramCache]: Analyzing trace with hash 467530950, now seen corresponding path program 14 times [2022-02-09 01:59:44,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:44,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777451479] [2022-02-09 01:59:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:44,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:45,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:45,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777451479] [2022-02-09 01:59:45,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777451479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:45,634 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:45,634 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:45,634 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418391465] [2022-02-09 01:59:45,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:45,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:45,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:45,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:45,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:45,635 INFO L87 Difference]: Start difference. First operand 1356 states and 2507 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) [2022-02-09 01:59:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:46,299 INFO L93 Difference]: Finished difference Result 1688 states and 3118 transitions. [2022-02-09 01:59:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:59:46,300 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 [2022-02-09 01:59:46,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:46,302 INFO L225 Difference]: With dead ends: 1688 [2022-02-09 01:59:46,302 INFO L226 Difference]: Without dead ends: 1688 [2022-02-09 01:59:46,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=158, Unknown=0, NotChecked=0, Total=272 [2022-02-09 01:59:46,302 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 226 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:46,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 578 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-02-09 01:59:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1349. [2022-02-09 01:59:46,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1342 states have (on average 1.8576751117734724) internal successors, (2493), 1348 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2493 transitions. [2022-02-09 01:59:46,315 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2493 transitions. Word has length 113 [2022-02-09 01:59:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:46,316 INFO L470 AbstractCegarLoop]: Abstraction has 1349 states and 2493 transitions. [2022-02-09 01:59:46,316 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) [2022-02-09 01:59:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2493 transitions. [2022-02-09 01:59:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:46,317 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:46,317 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:46,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-09 01:59:46,317 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:46,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:46,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1745121662, now seen corresponding path program 15 times [2022-02-09 01:59:46,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:46,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924835758] [2022-02-09 01:59:46,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:46,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:46,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:46,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924835758] [2022-02-09 01:59:46,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924835758] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:46,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:46,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:46,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117053700] [2022-02-09 01:59:46,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:46,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:46,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:46,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:46,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:46,953 INFO L87 Difference]: Start difference. First operand 1349 states and 2493 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) [2022-02-09 01:59:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:47,516 INFO L93 Difference]: Finished difference Result 1608 states and 2972 transitions. [2022-02-09 01:59:47,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 01:59:47,516 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 [2022-02-09 01:59:47,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:47,518 INFO L225 Difference]: With dead ends: 1608 [2022-02-09 01:59:47,518 INFO L226 Difference]: Without dead ends: 1608 [2022-02-09 01:59:47,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=124, Unknown=0, NotChecked=0, Total=210 [2022-02-09 01:59:47,518 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 197 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:47,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 531 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:47,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2022-02-09 01:59:47,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1336. [2022-02-09 01:59:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1329 states have (on average 1.856282919488337) internal successors, (2467), 1335 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 2467 transitions. [2022-02-09 01:59:47,530 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 2467 transitions. Word has length 113 [2022-02-09 01:59:47,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:47,530 INFO L470 AbstractCegarLoop]: Abstraction has 1336 states and 2467 transitions. [2022-02-09 01:59:47,530 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) [2022-02-09 01:59:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 2467 transitions. [2022-02-09 01:59:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:47,531 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:47,531 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:47,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-02-09 01:59:47,532 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:47,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1191765034, now seen corresponding path program 16 times [2022-02-09 01:59:47,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:47,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035175028] [2022-02-09 01:59:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:47,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:48,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:48,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035175028] [2022-02-09 01:59:48,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035175028] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:48,227 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:48,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:48,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030048163] [2022-02-09 01:59:48,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:48,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:48,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:48,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:48,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:48,228 INFO L87 Difference]: Start difference. First operand 1336 states and 2467 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) [2022-02-09 01:59:49,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:49,029 INFO L93 Difference]: Finished difference Result 1591 states and 2926 transitions. [2022-02-09 01:59:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:49,029 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 [2022-02-09 01:59:49,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:49,031 INFO L225 Difference]: With dead ends: 1591 [2022-02-09 01:59:49,031 INFO L226 Difference]: Without dead ends: 1591 [2022-02-09 01:59:49,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=159, Unknown=0, NotChecked=0, Total=272 [2022-02-09 01:59:49,032 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 251 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:49,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 698 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:49,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2022-02-09 01:59:49,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1336. [2022-02-09 01:59:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1329 states have (on average 1.856282919488337) internal successors, (2467), 1335 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:49,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 2467 transitions. [2022-02-09 01:59:49,044 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 2467 transitions. Word has length 113 [2022-02-09 01:59:49,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:49,044 INFO L470 AbstractCegarLoop]: Abstraction has 1336 states and 2467 transitions. [2022-02-09 01:59:49,044 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) [2022-02-09 01:59:49,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 2467 transitions. [2022-02-09 01:59:49,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:49,047 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:49,047 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:49,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-02-09 01:59:49,047 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:49,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:49,047 INFO L85 PathProgramCache]: Analyzing trace with hash 56947980, now seen corresponding path program 17 times [2022-02-09 01:59:49,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:49,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447374707] [2022-02-09 01:59:49,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:49,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:49,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:49,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447374707] [2022-02-09 01:59:49,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447374707] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:49,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:49,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:49,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771906345] [2022-02-09 01:59:49,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:49,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:49,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:49,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:49,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:49,786 INFO L87 Difference]: Start difference. First operand 1336 states and 2467 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) [2022-02-09 01:59:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:50,468 INFO L93 Difference]: Finished difference Result 1548 states and 2853 transitions. [2022-02-09 01:59:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:59:50,469 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 [2022-02-09 01:59:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:50,471 INFO L225 Difference]: With dead ends: 1548 [2022-02-09 01:59:50,471 INFO L226 Difference]: Without dead ends: 1548 [2022-02-09 01:59:50,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:59:50,474 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 227 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:50,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 497 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:50,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-02-09 01:59:50,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1322. [2022-02-09 01:59:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1315 states have (on average 1.8547528517110266) internal successors, (2439), 1321 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 2439 transitions. [2022-02-09 01:59:50,486 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 2439 transitions. Word has length 113 [2022-02-09 01:59:50,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:50,486 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 2439 transitions. [2022-02-09 01:59:50,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 2439 transitions. [2022-02-09 01:59:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:50,487 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:50,488 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:50,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-02-09 01:59:50,488 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:50,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:50,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1250392510, now seen corresponding path program 18 times [2022-02-09 01:59:50,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:50,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560475956] [2022-02-09 01:59:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:50,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:51,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:51,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560475956] [2022-02-09 01:59:51,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560475956] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:51,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:51,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:51,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648756138] [2022-02-09 01:59:51,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:51,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:51,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:51,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:51,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:51,193 INFO L87 Difference]: Start difference. First operand 1322 states and 2439 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) [2022-02-09 01:59:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:51,922 INFO L93 Difference]: Finished difference Result 1455 states and 2676 transitions. [2022-02-09 01:59:51,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:51,922 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 [2022-02-09 01:59:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:51,923 INFO L225 Difference]: With dead ends: 1455 [2022-02-09 01:59:51,923 INFO L226 Difference]: Without dead ends: 1455 [2022-02-09 01:59:51,924 INFO L932 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 [2022-02-09 01:59:51,924 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 232 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:51,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 597 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:51,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2022-02-09 01:59:51,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1309. [2022-02-09 01:59:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1302 states have (on average 1.8533026113671276) internal successors, (2413), 1308 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 2413 transitions. [2022-02-09 01:59:51,934 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 2413 transitions. Word has length 113 [2022-02-09 01:59:51,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:51,934 INFO L470 AbstractCegarLoop]: Abstraction has 1309 states and 2413 transitions. [2022-02-09 01:59:51,935 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) [2022-02-09 01:59:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2413 transitions. [2022-02-09 01:59:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:51,936 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:51,936 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:51,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-02-09 01:59:51,936 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:51,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:51,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1659326251, now seen corresponding path program 3 times [2022-02-09 01:59:51,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:51,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911568436] [2022-02-09 01:59:51,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:51,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:52,283 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:52,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:52,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911568436] [2022-02-09 01:59:52,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911568436] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:52,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:52,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:52,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024967153] [2022-02-09 01:59:52,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:52,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:52,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:52,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:52,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:52,285 INFO L87 Difference]: Start difference. First operand 1309 states and 2413 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) [2022-02-09 01:59:52,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:52,695 INFO L93 Difference]: Finished difference Result 1341 states and 2463 transitions. [2022-02-09 01:59:52,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:52,696 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 [2022-02-09 01:59:52,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:52,697 INFO L225 Difference]: With dead ends: 1341 [2022-02-09 01:59:52,697 INFO L226 Difference]: Without dead ends: 1341 [2022-02-09 01:59:52,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:52,698 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 134 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:52,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 449 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:52,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2022-02-09 01:59:52,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1309. [2022-02-09 01:59:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1302 states have (on average 1.8533026113671276) internal successors, (2413), 1308 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 2413 transitions. [2022-02-09 01:59:52,708 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 2413 transitions. Word has length 113 [2022-02-09 01:59:52,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:52,708 INFO L470 AbstractCegarLoop]: Abstraction has 1309 states and 2413 transitions. [2022-02-09 01:59:52,708 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) [2022-02-09 01:59:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2413 transitions. [2022-02-09 01:59:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:52,709 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:52,709 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:52,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-02-09 01:59:52,709 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:52,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:52,710 INFO L85 PathProgramCache]: Analyzing trace with hash 945597615, now seen corresponding path program 4 times [2022-02-09 01:59:52,710 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:52,710 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531063014] [2022-02-09 01:59:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:52,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:53,026 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:53,026 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531063014] [2022-02-09 01:59:53,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531063014] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:53,026 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:53,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:53,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909306421] [2022-02-09 01:59:53,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:53,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:53,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:53,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:53,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:53,027 INFO L87 Difference]: Start difference. First operand 1309 states and 2413 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) [2022-02-09 01:59:53,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:53,351 INFO L93 Difference]: Finished difference Result 1349 states and 2479 transitions. [2022-02-09 01:59:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:53,351 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 [2022-02-09 01:59:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:53,352 INFO L225 Difference]: With dead ends: 1349 [2022-02-09 01:59:53,352 INFO L226 Difference]: Without dead ends: 1349 [2022-02-09 01:59:53,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:53,353 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 126 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:53,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 408 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:53,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2022-02-09 01:59:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1309. [2022-02-09 01:59:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1302 states have (on average 1.8533026113671276) internal successors, (2413), 1308 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 2413 transitions. [2022-02-09 01:59:53,368 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 2413 transitions. Word has length 113 [2022-02-09 01:59:53,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:53,368 INFO L470 AbstractCegarLoop]: Abstraction has 1309 states and 2413 transitions. [2022-02-09 01:59:53,368 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) [2022-02-09 01:59:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2413 transitions. [2022-02-09 01:59:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:53,369 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:53,369 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:53,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-02-09 01:59:53,370 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:53,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:53,370 INFO L85 PathProgramCache]: Analyzing trace with hash 952733367, now seen corresponding path program 5 times [2022-02-09 01:59:53,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:53,370 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627917529] [2022-02-09 01:59:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:53,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:53,647 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:53,647 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627917529] [2022-02-09 01:59:53,647 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627917529] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:53,647 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:53,648 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:53,648 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333711049] [2022-02-09 01:59:53,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:53,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:53,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:53,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:53,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:53,648 INFO L87 Difference]: Start difference. First operand 1309 states and 2413 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) [2022-02-09 01:59:53,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:53,914 INFO L93 Difference]: Finished difference Result 1359 states and 2499 transitions. [2022-02-09 01:59:53,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:53,915 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 [2022-02-09 01:59:53,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:53,916 INFO L225 Difference]: With dead ends: 1359 [2022-02-09 01:59:53,916 INFO L226 Difference]: Without dead ends: 1359 [2022-02-09 01:59:53,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:53,917 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 154 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:53,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 307 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:59:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2022-02-09 01:59:53,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1309. [2022-02-09 01:59:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1302 states have (on average 1.8533026113671276) internal successors, (2413), 1308 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 2413 transitions. [2022-02-09 01:59:53,927 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 2413 transitions. Word has length 113 [2022-02-09 01:59:53,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:53,927 INFO L470 AbstractCegarLoop]: Abstraction has 1309 states and 2413 transitions. [2022-02-09 01:59:53,927 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) [2022-02-09 01:59:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2413 transitions. [2022-02-09 01:59:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:53,928 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:53,928 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:53,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-02-09 01:59:53,929 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:53,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:53,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2029248333, now seen corresponding path program 6 times [2022-02-09 01:59:53,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:53,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725982119] [2022-02-09 01:59:53,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:53,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:54,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:54,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725982119] [2022-02-09 01:59:54,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725982119] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:54,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:54,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:54,180 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548244436] [2022-02-09 01:59:54,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:54,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:54,180 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:54,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:54,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:54,180 INFO L87 Difference]: Start difference. First operand 1309 states and 2413 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) [2022-02-09 01:59:54,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:54,419 INFO L93 Difference]: Finished difference Result 1348 states and 2481 transitions. [2022-02-09 01:59:54,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 01:59:54,419 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 [2022-02-09 01:59:54,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:54,421 INFO L225 Difference]: With dead ends: 1348 [2022-02-09 01:59:54,421 INFO L226 Difference]: Without dead ends: 1348 [2022-02-09 01:59:54,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:54,421 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 119 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:54,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 316 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:59:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2022-02-09 01:59:54,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1288. [2022-02-09 01:59:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1281 states have (on average 1.8540202966432475) internal successors, (2375), 1287 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 2375 transitions. [2022-02-09 01:59:54,431 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 2375 transitions. Word has length 113 [2022-02-09 01:59:54,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:54,431 INFO L470 AbstractCegarLoop]: Abstraction has 1288 states and 2375 transitions. [2022-02-09 01:59:54,431 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) [2022-02-09 01:59:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 2375 transitions. [2022-02-09 01:59:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:54,432 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:54,432 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:54,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-02-09 01:59:54,433 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:54,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:54,433 INFO L85 PathProgramCache]: Analyzing trace with hash -814171281, now seen corresponding path program 23 times [2022-02-09 01:59:54,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:54,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829234323] [2022-02-09 01:59:54,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:54,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:55,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:55,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829234323] [2022-02-09 01:59:55,215 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829234323] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:55,215 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:55,215 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:55,215 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077507308] [2022-02-09 01:59:55,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:55,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:55,215 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:55,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:55,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:55,215 INFO L87 Difference]: Start difference. First operand 1288 states and 2375 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) [2022-02-09 01:59:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:55,757 INFO L93 Difference]: Finished difference Result 1693 states and 3130 transitions. [2022-02-09 01:59:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:59:55,758 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 [2022-02-09 01:59:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:55,759 INFO L225 Difference]: With dead ends: 1693 [2022-02-09 01:59:55,759 INFO L226 Difference]: Without dead ends: 1693 [2022-02-09 01:59:55,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-02-09 01:59:55,760 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 294 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:55,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 546 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:55,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2022-02-09 01:59:55,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1324. [2022-02-09 01:59:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1317 states have (on average 1.8580106302201975) internal successors, (2447), 1323 states have internal predecessors, (2447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 2447 transitions. [2022-02-09 01:59:55,772 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 2447 transitions. Word has length 113 [2022-02-09 01:59:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:55,772 INFO L470 AbstractCegarLoop]: Abstraction has 1324 states and 2447 transitions. [2022-02-09 01:59:55,772 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) [2022-02-09 01:59:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 2447 transitions. [2022-02-09 01:59:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:55,773 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:55,773 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:55,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-02-09 01:59:55,773 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:55,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:55,774 INFO L85 PathProgramCache]: Analyzing trace with hash -77199181, now seen corresponding path program 24 times [2022-02-09 01:59:55,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:55,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789842928] [2022-02-09 01:59:55,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:55,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:56,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:56,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789842928] [2022-02-09 01:59:56,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789842928] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:56,412 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:56,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:56,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941804301] [2022-02-09 01:59:56,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:56,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 01:59:56,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:56,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 01:59:56,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-09 01:59:56,413 INFO L87 Difference]: Start difference. First operand 1324 states and 2447 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) [2022-02-09 01:59:56,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:56,927 INFO L93 Difference]: Finished difference Result 1710 states and 3164 transitions. [2022-02-09 01:59:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 01:59:56,927 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-09 01:59:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:56,929 INFO L225 Difference]: With dead ends: 1710 [2022-02-09 01:59:56,929 INFO L226 Difference]: Without dead ends: 1710 [2022-02-09 01:59:56,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=129, Unknown=0, NotChecked=0, Total=210 [2022-02-09 01:59:56,930 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 264 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:56,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 523 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:56,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-02-09 01:59:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1324. [2022-02-09 01:59:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1317 states have (on average 1.8580106302201975) internal successors, (2447), 1323 states have internal predecessors, (2447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 2447 transitions. [2022-02-09 01:59:56,944 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 2447 transitions. Word has length 113 [2022-02-09 01:59:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:56,944 INFO L470 AbstractCegarLoop]: Abstraction has 1324 states and 2447 transitions. [2022-02-09 01:59:56,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 2447 transitions. [2022-02-09 01:59:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:56,945 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:56,945 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:56,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-02-09 01:59:56,945 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:56,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:56,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1378928111, now seen corresponding path program 25 times [2022-02-09 01:59:56,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:56,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514024380] [2022-02-09 01:59:56,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:56,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:57,596 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:57,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514024380] [2022-02-09 01:59:57,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514024380] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:57,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:57,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 01:59:57,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930140221] [2022-02-09 01:59:57,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:57,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:57,597 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:57,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:57,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:57,597 INFO L87 Difference]: Start difference. First operand 1324 states and 2447 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) [2022-02-09 01:59:57,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:57,997 INFO L93 Difference]: Finished difference Result 1673 states and 3099 transitions. [2022-02-09 01:59:57,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:57,997 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 [2022-02-09 01:59:57,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:57,999 INFO L225 Difference]: With dead ends: 1673 [2022-02-09 01:59:57,999 INFO L226 Difference]: Without dead ends: 1645 [2022-02-09 01:59:57,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:57,999 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 205 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:57,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 492 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:58,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2022-02-09 01:59:58,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1272. [2022-02-09 01:59:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1265 states have (on average 1.8521739130434782) internal successors, (2343), 1271 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 2343 transitions. [2022-02-09 01:59:58,010 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 2343 transitions. Word has length 113 [2022-02-09 01:59:58,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:58,010 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 2343 transitions. [2022-02-09 01:59:58,010 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) [2022-02-09 01:59:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2343 transitions. [2022-02-09 01:59:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:58,011 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:58,011 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:58,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-02-09 01:59:58,011 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:58,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:58,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1094296257, now seen corresponding path program 26 times [2022-02-09 01:59:58,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:58,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876713926] [2022-02-09 01:59:58,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:58,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:58,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:58,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876713926] [2022-02-09 01:59:58,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876713926] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:58,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:58,965 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 01:59:58,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627262822] [2022-02-09 01:59:58,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:58,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 01:59:58,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:58,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 01:59:58,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-09 01:59:58,966 INFO L87 Difference]: Start difference. First operand 1272 states and 2343 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) [2022-02-09 01:59:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:59,734 INFO L93 Difference]: Finished difference Result 1722 states and 3187 transitions. [2022-02-09 01:59:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:59:59,734 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 [2022-02-09 01:59:59,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:59,737 INFO L225 Difference]: With dead ends: 1722 [2022-02-09 01:59:59,737 INFO L226 Difference]: Without dead ends: 1722 [2022-02-09 01:59:59,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2022-02-09 01:59:59,737 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 253 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:59,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 846 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:59,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-02-09 01:59:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1282. [2022-02-09 01:59:59,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1275 states have (on average 1.8533333333333333) internal successors, (2363), 1281 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 01:59:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 2363 transitions. [2022-02-09 01:59:59,749 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 2363 transitions. Word has length 113 [2022-02-09 01:59:59,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:59,749 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 2363 transitions. [2022-02-09 01:59:59,749 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) [2022-02-09 01:59:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 2363 transitions. [2022-02-09 01:59:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 01:59:59,750 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:59,751 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:59,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-02-09 01:59:59,751 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:59:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:59,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1831268357, now seen corresponding path program 27 times [2022-02-09 01:59:59,751 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:59,751 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983758470] [2022-02-09 01:59:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:59,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:00,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:00,582 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983758470] [2022-02-09 02:00:00,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983758470] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:00,582 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:00,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:00:00,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233289974] [2022-02-09 02:00:00,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:00,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:00:00,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:00,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:00:00,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:00,582 INFO L87 Difference]: Start difference. First operand 1282 states and 2363 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) [2022-02-09 02:00:01,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:01,228 INFO L93 Difference]: Finished difference Result 1730 states and 3203 transitions. [2022-02-09 02:00:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:00:01,228 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 [2022-02-09 02:00:01,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:01,230 INFO L225 Difference]: With dead ends: 1730 [2022-02-09 02:00:01,230 INFO L226 Difference]: Without dead ends: 1730 [2022-02-09 02:00:01,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:00:01,230 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 241 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:01,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 635 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:01,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-02-09 02:00:01,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1273. [2022-02-09 02:00:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1266 states have (on average 1.8522906793048972) internal successors, (2345), 1272 states have internal predecessors, (2345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 2345 transitions. [2022-02-09 02:00:01,242 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 2345 transitions. Word has length 113 [2022-02-09 02:00:01,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:01,243 INFO L470 AbstractCegarLoop]: Abstraction has 1273 states and 2345 transitions. [2022-02-09 02:00:01,243 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) [2022-02-09 02:00:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 2345 transitions. [2022-02-09 02:00:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:01,244 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:01,244 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:01,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-02-09 02:00:01,244 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:01,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:01,244 INFO L85 PathProgramCache]: Analyzing trace with hash 420967865, now seen corresponding path program 28 times [2022-02-09 02:00:01,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:01,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990611013] [2022-02-09 02:00:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:01,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:02,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:02,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990611013] [2022-02-09 02:00:02,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990611013] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:02,040 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:02,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:00:02,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781466479] [2022-02-09 02:00:02,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:02,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:00:02,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:02,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:00:02,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:02,040 INFO L87 Difference]: Start difference. First operand 1273 states and 2345 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) [2022-02-09 02:00:02,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:02,667 INFO L93 Difference]: Finished difference Result 1709 states and 3171 transitions. [2022-02-09 02:00:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:00:02,667 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 [2022-02-09 02:00:02,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:02,669 INFO L225 Difference]: With dead ends: 1709 [2022-02-09 02:00:02,669 INFO L226 Difference]: Without dead ends: 1709 [2022-02-09 02:00:02,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:00:02,670 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 242 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:02,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 596 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:02,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2022-02-09 02:00:02,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1256. [2022-02-09 02:00:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1249 states have (on average 1.8502802241793435) internal successors, (2311), 1255 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) [2022-02-09 02:00:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2311 transitions. [2022-02-09 02:00:02,681 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2311 transitions. Word has length 113 [2022-02-09 02:00:02,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:02,681 INFO L470 AbstractCegarLoop]: Abstraction has 1256 states and 2311 transitions. [2022-02-09 02:00:02,681 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) [2022-02-09 02:00:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2311 transitions. [2022-02-09 02:00:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:02,682 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:02,682 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:02,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-02-09 02:00:02,682 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:02,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:02,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1990288639, now seen corresponding path program 29 times [2022-02-09 02:00:02,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:02,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292852089] [2022-02-09 02:00:02,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:02,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:03,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:03,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292852089] [2022-02-09 02:00:03,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292852089] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:03,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:03,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 02:00:03,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371228743] [2022-02-09 02:00:03,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:03,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 02:00:03,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:03,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 02:00:03,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:00:03,674 INFO L87 Difference]: Start difference. First operand 1256 states and 2311 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) [2022-02-09 02:00:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:04,441 INFO L93 Difference]: Finished difference Result 1703 states and 3151 transitions. [2022-02-09 02:00:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:00:04,442 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-02-09 02:00:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:04,444 INFO L225 Difference]: With dead ends: 1703 [2022-02-09 02:00:04,444 INFO L226 Difference]: Without dead ends: 1703 [2022-02-09 02:00:04,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:04,444 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 260 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:04,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 707 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:00:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2022-02-09 02:00:04,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1256. [2022-02-09 02:00:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1249 states have (on average 1.8502802241793435) internal successors, (2311), 1255 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) [2022-02-09 02:00:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2311 transitions. [2022-02-09 02:00:04,458 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2311 transitions. Word has length 113 [2022-02-09 02:00:04,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:04,458 INFO L470 AbstractCegarLoop]: Abstraction has 1256 states and 2311 transitions. [2022-02-09 02:00:04,458 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) [2022-02-09 02:00:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2311 transitions. [2022-02-09 02:00:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:04,459 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:04,459 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:04,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-02-09 02:00:04,460 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:04,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:04,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1567706557, now seen corresponding path program 30 times [2022-02-09 02:00:04,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:04,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872976173] [2022-02-09 02:00:04,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:04,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:05,298 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:05,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872976173] [2022-02-09 02:00:05,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872976173] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:05,298 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:05,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:00:05,298 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598447842] [2022-02-09 02:00:05,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:05,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:00:05,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:05,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:00:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:05,300 INFO L87 Difference]: Start difference. First operand 1256 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) [2022-02-09 02:00:05,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:05,923 INFO L93 Difference]: Finished difference Result 1666 states and 3086 transitions. [2022-02-09 02:00:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:00:05,923 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 [2022-02-09 02:00:05,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:05,925 INFO L225 Difference]: With dead ends: 1666 [2022-02-09 02:00:05,925 INFO L226 Difference]: Without dead ends: 1666 [2022-02-09 02:00:05,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:05,926 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 259 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:05,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 463 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:05,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-02-09 02:00:05,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1239. [2022-02-09 02:00:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8482142857142858) internal successors, (2277), 1238 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2277 transitions. [2022-02-09 02:00:05,937 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2277 transitions. Word has length 113 [2022-02-09 02:00:05,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:05,937 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2277 transitions. [2022-02-09 02:00:05,937 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) [2022-02-09 02:00:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2277 transitions. [2022-02-09 02:00:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:05,938 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:05,938 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:05,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-02-09 02:00:05,938 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:05,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:05,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1699704471, now seen corresponding path program 31 times [2022-02-09 02:00:05,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:05,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518685112] [2022-02-09 02:00:05,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:05,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:07,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:07,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518685112] [2022-02-09 02:00:07,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518685112] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:07,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:07,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-09 02:00:07,082 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104812309] [2022-02-09 02:00:07,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:07,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 02:00:07,082 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:07,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 02:00:07,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:00:07,082 INFO L87 Difference]: Start difference. First operand 1239 states and 2277 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) [2022-02-09 02:00:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:07,930 INFO L93 Difference]: Finished difference Result 1595 states and 2953 transitions. [2022-02-09 02:00:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:00:07,930 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 [2022-02-09 02:00:07,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:07,932 INFO L225 Difference]: With dead ends: 1595 [2022-02-09 02:00:07,932 INFO L226 Difference]: Without dead ends: 1595 [2022-02-09 02:00:07,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=132, Invalid=210, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:00:07,932 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 234 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:07,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 648 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:00:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2022-02-09 02:00:07,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1223. [2022-02-09 02:00:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1216 states have (on average 1.846217105263158) internal successors, (2245), 1222 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 2245 transitions. [2022-02-09 02:00:07,943 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 2245 transitions. Word has length 113 [2022-02-09 02:00:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:07,943 INFO L470 AbstractCegarLoop]: Abstraction has 1223 states and 2245 transitions. [2022-02-09 02:00:07,944 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) [2022-02-09 02:00:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 2245 transitions. [2022-02-09 02:00:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:07,944 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:07,945 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:07,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-02-09 02:00:07,945 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:07,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:07,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1480483601, now seen corresponding path program 20 times [2022-02-09 02:00:07,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:07,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824781101] [2022-02-09 02:00:07,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:07,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:08,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:08,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824781101] [2022-02-09 02:00:08,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824781101] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:08,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:08,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:08,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341546202] [2022-02-09 02:00:08,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:08,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:08,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:08,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:08,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:08,241 INFO L87 Difference]: Start difference. First operand 1223 states and 2245 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) [2022-02-09 02:00:08,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:08,472 INFO L93 Difference]: Finished difference Result 1305 states and 2389 transitions. [2022-02-09 02:00:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:08,472 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 [2022-02-09 02:00:08,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:08,474 INFO L225 Difference]: With dead ends: 1305 [2022-02-09 02:00:08,474 INFO L226 Difference]: Without dead ends: 1305 [2022-02-09 02:00:08,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:08,474 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 156 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:08,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 294 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:00:08,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2022-02-09 02:00:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1217. [2022-02-09 02:00:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1210 states have (on average 1.8454545454545455) internal successors, (2233), 1216 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 2233 transitions. [2022-02-09 02:00:08,485 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 2233 transitions. Word has length 113 [2022-02-09 02:00:08,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:08,485 INFO L470 AbstractCegarLoop]: Abstraction has 1217 states and 2233 transitions. [2022-02-09 02:00:08,485 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) [2022-02-09 02:00:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 2233 transitions. [2022-02-09 02:00:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:08,486 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:08,487 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:08,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-02-09 02:00:08,487 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:08,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:08,487 INFO L85 PathProgramCache]: Analyzing trace with hash 364668245, now seen corresponding path program 21 times [2022-02-09 02:00:08,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:08,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617029675] [2022-02-09 02:00:08,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:08,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:08,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:08,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617029675] [2022-02-09 02:00:08,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617029675] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:08,878 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:08,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:08,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108606854] [2022-02-09 02:00:08,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:08,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:08,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:08,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:08,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:08,879 INFO L87 Difference]: Start difference. First operand 1217 states and 2233 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) [2022-02-09 02:00:09,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:09,183 INFO L93 Difference]: Finished difference Result 1288 states and 2355 transitions. [2022-02-09 02:00:09,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:09,183 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 [2022-02-09 02:00:09,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:09,185 INFO L225 Difference]: With dead ends: 1288 [2022-02-09 02:00:09,185 INFO L226 Difference]: Without dead ends: 1288 [2022-02-09 02:00:09,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:09,186 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 155 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:09,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 405 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2022-02-09 02:00:09,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1210. [2022-02-09 02:00:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 1203 states have (on average 1.8445552784704904) internal successors, (2219), 1209 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 2219 transitions. [2022-02-09 02:00:09,197 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 2219 transitions. Word has length 113 [2022-02-09 02:00:09,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:09,197 INFO L470 AbstractCegarLoop]: Abstraction has 1210 states and 2219 transitions. [2022-02-09 02:00:09,197 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) [2022-02-09 02:00:09,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 2219 transitions. [2022-02-09 02:00:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:09,198 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:09,198 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:09,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-02-09 02:00:09,198 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:09,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1122763947, now seen corresponding path program 22 times [2022-02-09 02:00:09,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:09,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738534156] [2022-02-09 02:00:09,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:09,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:09,888 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:09,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738534156] [2022-02-09 02:00:09,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738534156] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:09,889 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:09,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:00:09,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680822043] [2022-02-09 02:00:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:09,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:00:09,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:09,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:00:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:00:09,890 INFO L87 Difference]: Start difference. First operand 1210 states and 2219 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) [2022-02-09 02:00:11,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:11,282 INFO L93 Difference]: Finished difference Result 1961 states and 3611 transitions. [2022-02-09 02:00:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 02:00:11,282 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 [2022-02-09 02:00:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:11,284 INFO L225 Difference]: With dead ends: 1961 [2022-02-09 02:00:11,284 INFO L226 Difference]: Without dead ends: 1961 [2022-02-09 02:00:11,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=348, Invalid=1212, Unknown=0, NotChecked=0, Total=1560 [2022-02-09 02:00:11,285 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 748 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:11,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [748 Valid, 924 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 02:00:11,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2022-02-09 02:00:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1209. [2022-02-09 02:00:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1202 states have (on average 1.8452579034941763) internal successors, (2218), 1208 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2218 transitions. [2022-02-09 02:00:11,307 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2218 transitions. Word has length 113 [2022-02-09 02:00:11,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:11,307 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 2218 transitions. [2022-02-09 02:00:11,307 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) [2022-02-09 02:00:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2218 transitions. [2022-02-09 02:00:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-09 02:00:11,308 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:11,309 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:11,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-02-09 02:00:11,309 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:11,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1007920087, now seen corresponding path program 23 times [2022-02-09 02:00:11,310 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:11,310 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396055764] [2022-02-09 02:00:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:11,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:11,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:11,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396055764] [2022-02-09 02:00:11,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396055764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:11,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:11,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:11,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232632577] [2022-02-09 02:00:11,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:11,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:11,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:11,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:11,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:11,763 INFO L87 Difference]: Start difference. First operand 1209 states and 2218 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) [2022-02-09 02:00:12,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:12,116 INFO L93 Difference]: Finished difference Result 1271 states and 2321 transitions. [2022-02-09 02:00:12,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:12,116 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 [2022-02-09 02:00:12,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:12,118 INFO L225 Difference]: With dead ends: 1271 [2022-02-09 02:00:12,118 INFO L226 Difference]: Without dead ends: 1271 [2022-02-09 02:00:12,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:12,119 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 160 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:12,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 370 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:12,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2022-02-09 02:00:12,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1178. [2022-02-09 02:00:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1171 states have (on average 1.8471391972672928) internal successors, (2163), 1177 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2163 transitions. [2022-02-09 02:00:12,128 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2163 transitions. Word has length 113 [2022-02-09 02:00:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:12,129 INFO L470 AbstractCegarLoop]: Abstraction has 1178 states and 2163 transitions. [2022-02-09 02:00:12,129 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) [2022-02-09 02:00:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2163 transitions. [2022-02-09 02:00:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:12,130 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:12,130 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:12,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-02-09 02:00:12,130 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:12,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:12,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1897626067, now seen corresponding path program 1 times [2022-02-09 02:00:12,130 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:12,130 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433315234] [2022-02-09 02:00:12,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:12,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:12,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:12,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433315234] [2022-02-09 02:00:12,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433315234] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:12,470 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:12,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:12,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049222244] [2022-02-09 02:00:12,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:12,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:12,471 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:12,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:12,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:12,472 INFO L87 Difference]: Start difference. First operand 1178 states and 2163 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) [2022-02-09 02:00:12,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:12,996 INFO L93 Difference]: Finished difference Result 2032 states and 3748 transitions. [2022-02-09 02:00:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:00:12,996 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 [2022-02-09 02:00:12,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:12,998 INFO L225 Difference]: With dead ends: 2032 [2022-02-09 02:00:12,998 INFO L226 Difference]: Without dead ends: 2032 [2022-02-09 02:00:12,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:12,999 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 237 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:12,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 695 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:13,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2022-02-09 02:00:13,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1292. [2022-02-09 02:00:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 1285 states have (on average 1.8607003891050584) internal successors, (2391), 1291 states have internal predecessors, (2391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 2391 transitions. [2022-02-09 02:00:13,010 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 2391 transitions. Word has length 114 [2022-02-09 02:00:13,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:13,010 INFO L470 AbstractCegarLoop]: Abstraction has 1292 states and 2391 transitions. [2022-02-09 02:00:13,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 2391 transitions. [2022-02-09 02:00:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:13,012 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:13,012 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:13,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-02-09 02:00:13,012 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:13,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash -906945106, now seen corresponding path program 1 times [2022-02-09 02:00:13,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:13,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898107647] [2022-02-09 02:00:13,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:13,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:13,262 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:13,262 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898107647] [2022-02-09 02:00:13,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898107647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:13,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:13,263 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:13,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506278066] [2022-02-09 02:00:13,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:13,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:13,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:13,263 INFO L87 Difference]: Start difference. First operand 1292 states and 2391 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) [2022-02-09 02:00:13,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:13,637 INFO L93 Difference]: Finished difference Result 2016 states and 3721 transitions. [2022-02-09 02:00:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:13,638 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 [2022-02-09 02:00:13,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:13,640 INFO L225 Difference]: With dead ends: 2016 [2022-02-09 02:00:13,640 INFO L226 Difference]: Without dead ends: 2016 [2022-02-09 02:00:13,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:13,640 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 244 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:13,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 440 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:13,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2022-02-09 02:00:13,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 1545. [2022-02-09 02:00:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1538 states have (on average 1.8842652795838752) internal successors, (2898), 1544 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2898 transitions. [2022-02-09 02:00:13,655 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2898 transitions. Word has length 114 [2022-02-09 02:00:13,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:13,655 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 2898 transitions. [2022-02-09 02:00:13,655 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) [2022-02-09 02:00:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2898 transitions. [2022-02-09 02:00:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:13,656 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:13,656 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:13,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-02-09 02:00:13,657 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:13,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:13,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2094172360, now seen corresponding path program 2 times [2022-02-09 02:00:13,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:13,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203713197] [2022-02-09 02:00:13,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:13,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:13,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:13,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203713197] [2022-02-09 02:00:13,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203713197] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:13,974 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:13,974 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:13,974 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603782153] [2022-02-09 02:00:13,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:13,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:13,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:13,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:13,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:13,975 INFO L87 Difference]: Start difference. First operand 1545 states and 2898 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) [2022-02-09 02:00:14,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:14,382 INFO L93 Difference]: Finished difference Result 1998 states and 3686 transitions. [2022-02-09 02:00:14,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:14,383 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 [2022-02-09 02:00:14,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:14,385 INFO L225 Difference]: With dead ends: 1998 [2022-02-09 02:00:14,385 INFO L226 Difference]: Without dead ends: 1998 [2022-02-09 02:00:14,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:14,385 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 232 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:14,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 390 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:14,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2022-02-09 02:00:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1556. [2022-02-09 02:00:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1549 states have (on average 1.8792769528728213) internal successors, (2911), 1555 states have internal predecessors, (2911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:14,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2911 transitions. [2022-02-09 02:00:14,400 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2911 transitions. Word has length 114 [2022-02-09 02:00:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:14,400 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2911 transitions. [2022-02-09 02:00:14,400 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) [2022-02-09 02:00:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2911 transitions. [2022-02-09 02:00:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:14,401 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:14,401 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:14,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-02-09 02:00:14,401 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1653358524, now seen corresponding path program 1 times [2022-02-09 02:00:14,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:14,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625537359] [2022-02-09 02:00:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:14,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:14,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:14,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625537359] [2022-02-09 02:00:14,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625537359] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:14,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:14,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 02:00:14,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422146288] [2022-02-09 02:00:14,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:14,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 02:00:14,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:14,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 02:00:14,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-09 02:00:14,490 INFO L87 Difference]: Start difference. First operand 1556 states and 2911 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) [2022-02-09 02:00:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:14,729 INFO L93 Difference]: Finished difference Result 1613 states and 3019 transitions. [2022-02-09 02:00:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:14,729 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 [2022-02-09 02:00:14,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:14,731 INFO L225 Difference]: With dead ends: 1613 [2022-02-09 02:00:14,731 INFO L226 Difference]: Without dead ends: 1613 [2022-02-09 02:00:14,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:14,731 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 152 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:14,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 438 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:00:14,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2022-02-09 02:00:14,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1558. [2022-02-09 02:00:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1551 states have (on average 1.8794326241134751) internal successors, (2915), 1557 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2915 transitions. [2022-02-09 02:00:14,745 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2915 transitions. Word has length 114 [2022-02-09 02:00:14,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:14,745 INFO L470 AbstractCegarLoop]: Abstraction has 1558 states and 2915 transitions. [2022-02-09 02:00:14,745 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) [2022-02-09 02:00:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2915 transitions. [2022-02-09 02:00:14,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:14,746 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:14,747 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:14,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-02-09 02:00:14,747 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:14,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:14,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1567825494, now seen corresponding path program 2 times [2022-02-09 02:00:14,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:14,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121850442] [2022-02-09 02:00:14,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:14,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:14,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:14,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121850442] [2022-02-09 02:00:14,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121850442] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:14,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:14,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:14,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75481566] [2022-02-09 02:00:14,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:14,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:14,988 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:14,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:14,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:14,989 INFO L87 Difference]: Start difference. First operand 1558 states and 2915 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) [2022-02-09 02:00:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:15,409 INFO L93 Difference]: Finished difference Result 2039 states and 3761 transitions. [2022-02-09 02:00:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:15,409 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 [2022-02-09 02:00:15,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:15,412 INFO L225 Difference]: With dead ends: 2039 [2022-02-09 02:00:15,412 INFO L226 Difference]: Without dead ends: 2039 [2022-02-09 02:00:15,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:15,412 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 261 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:15,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 457 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2022-02-09 02:00:15,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 1609. [2022-02-09 02:00:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1602 states have (on average 1.883270911360799) internal successors, (3017), 1608 states have internal predecessors, (3017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 3017 transitions. [2022-02-09 02:00:15,427 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 3017 transitions. Word has length 114 [2022-02-09 02:00:15,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:15,427 INFO L470 AbstractCegarLoop]: Abstraction has 1609 states and 3017 transitions. [2022-02-09 02:00:15,427 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) [2022-02-09 02:00:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 3017 transitions. [2022-02-09 02:00:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:15,428 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:15,429 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:15,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-02-09 02:00:15,429 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:15,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:15,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1271331244, now seen corresponding path program 3 times [2022-02-09 02:00:15,429 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:15,429 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189584656] [2022-02-09 02:00:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:15,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:15,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:15,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189584656] [2022-02-09 02:00:15,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189584656] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:15,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:15,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:15,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559429582] [2022-02-09 02:00:15,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:15,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:15,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:15,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:15,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:15,758 INFO L87 Difference]: Start difference. First operand 1609 states and 3017 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) [2022-02-09 02:00:16,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:16,193 INFO L93 Difference]: Finished difference Result 2026 states and 3735 transitions. [2022-02-09 02:00:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:16,194 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 [2022-02-09 02:00:16,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:16,196 INFO L225 Difference]: With dead ends: 2026 [2022-02-09 02:00:16,197 INFO L226 Difference]: Without dead ends: 2026 [2022-02-09 02:00:16,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:16,197 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 222 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:16,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 538 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:16,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2022-02-09 02:00:16,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 1624. [2022-02-09 02:00:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1617 states have (on average 1.8763141620284478) internal successors, (3034), 1623 states have internal predecessors, (3034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 3034 transitions. [2022-02-09 02:00:16,213 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 3034 transitions. Word has length 114 [2022-02-09 02:00:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:16,214 INFO L470 AbstractCegarLoop]: Abstraction has 1624 states and 3034 transitions. [2022-02-09 02:00:16,214 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) [2022-02-09 02:00:16,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 3034 transitions. [2022-02-09 02:00:16,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:16,215 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:16,215 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:16,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-02-09 02:00:16,215 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:16,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:16,215 INFO L85 PathProgramCache]: Analyzing trace with hash -83906309, now seen corresponding path program 2 times [2022-02-09 02:00:16,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:16,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336009032] [2022-02-09 02:00:16,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:16,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:16,996 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:16,996 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336009032] [2022-02-09 02:00:16,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336009032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:16,996 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:16,996 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:16,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120406639] [2022-02-09 02:00:16,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:16,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:16,997 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:16,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:16,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:16,997 INFO L87 Difference]: Start difference. First operand 1624 states and 3034 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) [2022-02-09 02:00:17,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:17,639 INFO L93 Difference]: Finished difference Result 2240 states and 4167 transitions. [2022-02-09 02:00:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:17,639 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 [2022-02-09 02:00:17,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:17,642 INFO L225 Difference]: With dead ends: 2240 [2022-02-09 02:00:17,642 INFO L226 Difference]: Without dead ends: 2219 [2022-02-09 02:00:17,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:17,643 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 261 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:17,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 662 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2022-02-09 02:00:17,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 1615. [2022-02-09 02:00:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1608 states have (on average 1.8756218905472637) internal successors, (3016), 1614 states have internal predecessors, (3016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 3016 transitions. [2022-02-09 02:00:17,660 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 3016 transitions. Word has length 114 [2022-02-09 02:00:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:17,660 INFO L470 AbstractCegarLoop]: Abstraction has 1615 states and 3016 transitions. [2022-02-09 02:00:17,661 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) [2022-02-09 02:00:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 3016 transitions. [2022-02-09 02:00:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:17,662 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:17,662 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:17,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-02-09 02:00:17,662 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:17,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:17,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1922053757, now seen corresponding path program 3 times [2022-02-09 02:00:17,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:17,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274127473] [2022-02-09 02:00:17,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:17,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:18,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:18,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274127473] [2022-02-09 02:00:18,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274127473] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:18,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:18,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:18,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55384218] [2022-02-09 02:00:18,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:18,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:18,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:18,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:18,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:18,461 INFO L87 Difference]: Start difference. First operand 1615 states and 3016 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) [2022-02-09 02:00:19,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:19,094 INFO L93 Difference]: Finished difference Result 2159 states and 4007 transitions. [2022-02-09 02:00:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:19,094 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 [2022-02-09 02:00:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:19,097 INFO L225 Difference]: With dead ends: 2159 [2022-02-09 02:00:19,097 INFO L226 Difference]: Without dead ends: 2145 [2022-02-09 02:00:19,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:19,097 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 257 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:19,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 596 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2022-02-09 02:00:19,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 1606. [2022-02-09 02:00:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1599 states have (on average 1.8749218261413383) internal successors, (2998), 1605 states have internal predecessors, (2998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2998 transitions. [2022-02-09 02:00:19,113 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2998 transitions. Word has length 114 [2022-02-09 02:00:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:19,113 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 2998 transitions. [2022-02-09 02:00:19,113 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) [2022-02-09 02:00:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2998 transitions. [2022-02-09 02:00:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:19,115 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:19,115 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:19,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-02-09 02:00:19,115 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:19,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:19,115 INFO L85 PathProgramCache]: Analyzing trace with hash 115756892, now seen corresponding path program 4 times [2022-02-09 02:00:19,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:19,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369997024] [2022-02-09 02:00:19,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:19,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:19,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:19,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369997024] [2022-02-09 02:00:19,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369997024] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:19,285 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:19,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:19,285 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249407744] [2022-02-09 02:00:19,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:19,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:19,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:19,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:19,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:19,286 INFO L87 Difference]: Start difference. First operand 1606 states and 2998 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) [2022-02-09 02:00:19,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:19,973 INFO L93 Difference]: Finished difference Result 1973 states and 3669 transitions. [2022-02-09 02:00:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 02:00:19,973 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 [2022-02-09 02:00:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:19,976 INFO L225 Difference]: With dead ends: 1973 [2022-02-09 02:00:19,976 INFO L226 Difference]: Without dead ends: 1973 [2022-02-09 02:00:19,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-02-09 02:00:19,976 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 302 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:19,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 784 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-02-09 02:00:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1606. [2022-02-09 02:00:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1599 states have (on average 1.8749218261413383) internal successors, (2998), 1605 states have internal predecessors, (2998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2998 transitions. [2022-02-09 02:00:19,993 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2998 transitions. Word has length 114 [2022-02-09 02:00:19,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:19,993 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 2998 transitions. [2022-02-09 02:00:19,993 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) [2022-02-09 02:00:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2998 transitions. [2022-02-09 02:00:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:19,994 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:19,994 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:19,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-02-09 02:00:19,994 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:19,995 INFO L85 PathProgramCache]: Analyzing trace with hash 30223862, now seen corresponding path program 5 times [2022-02-09 02:00:19,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:19,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195653898] [2022-02-09 02:00:19,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:19,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:20,441 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:20,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195653898] [2022-02-09 02:00:20,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195653898] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:20,441 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:20,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:00:20,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733078478] [2022-02-09 02:00:20,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:20,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:00:20,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:20,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:00:20,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:20,442 INFO L87 Difference]: Start difference. First operand 1606 states and 2998 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) [2022-02-09 02:00:20,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:20,948 INFO L93 Difference]: Finished difference Result 1719 states and 3197 transitions. [2022-02-09 02:00:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:00:20,948 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 [2022-02-09 02:00:20,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:20,950 INFO L225 Difference]: With dead ends: 1719 [2022-02-09 02:00:20,950 INFO L226 Difference]: Without dead ends: 1719 [2022-02-09 02:00:20,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-02-09 02:00:20,951 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 100 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:20,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 525 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:20,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2022-02-09 02:00:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1625. [2022-02-09 02:00:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1618 states have (on average 1.8763906056860322) internal successors, (3036), 1624 states have internal predecessors, (3036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 3036 transitions. [2022-02-09 02:00:20,965 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 3036 transitions. Word has length 114 [2022-02-09 02:00:20,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:20,965 INFO L470 AbstractCegarLoop]: Abstraction has 1625 states and 3036 transitions. [2022-02-09 02:00:20,965 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) [2022-02-09 02:00:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 3036 transitions. [2022-02-09 02:00:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:20,966 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:20,966 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:20,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-02-09 02:00:20,967 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:20,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:20,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1702295418, now seen corresponding path program 6 times [2022-02-09 02:00:20,967 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:20,967 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310976398] [2022-02-09 02:00:20,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:20,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:21,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:21,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310976398] [2022-02-09 02:00:21,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310976398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:21,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:21,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:21,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192824051] [2022-02-09 02:00:21,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:21,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:21,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:21,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:21,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:21,355 INFO L87 Difference]: Start difference. First operand 1625 states and 3036 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) [2022-02-09 02:00:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:21,871 INFO L93 Difference]: Finished difference Result 1990 states and 3686 transitions. [2022-02-09 02:00:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:21,871 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 [2022-02-09 02:00:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:21,874 INFO L225 Difference]: With dead ends: 1990 [2022-02-09 02:00:21,874 INFO L226 Difference]: Without dead ends: 1990 [2022-02-09 02:00:21,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:21,876 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 173 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:21,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 580 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2022-02-09 02:00:21,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1607. [2022-02-09 02:00:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1600 states have (on average 1.875) internal successors, (3000), 1606 states have internal predecessors, (3000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 3000 transitions. [2022-02-09 02:00:21,893 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 3000 transitions. Word has length 114 [2022-02-09 02:00:21,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:21,893 INFO L470 AbstractCegarLoop]: Abstraction has 1607 states and 3000 transitions. [2022-02-09 02:00:21,893 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) [2022-02-09 02:00:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 3000 transitions. [2022-02-09 02:00:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:21,895 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:21,895 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:21,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-02-09 02:00:21,895 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:21,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1227539500, now seen corresponding path program 7 times [2022-02-09 02:00:21,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:21,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768805090] [2022-02-09 02:00:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:21,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:22,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:22,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768805090] [2022-02-09 02:00:22,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768805090] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:22,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:22,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:22,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708036851] [2022-02-09 02:00:22,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:22,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:22,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:22,331 INFO L87 Difference]: Start difference. First operand 1607 states and 3000 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) [2022-02-09 02:00:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:22,828 INFO L93 Difference]: Finished difference Result 1974 states and 3654 transitions. [2022-02-09 02:00:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:22,828 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 [2022-02-09 02:00:22,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:22,830 INFO L225 Difference]: With dead ends: 1974 [2022-02-09 02:00:22,830 INFO L226 Difference]: Without dead ends: 1974 [2022-02-09 02:00:22,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:22,831 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 182 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:22,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 476 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:22,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2022-02-09 02:00:22,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1608. [2022-02-09 02:00:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1601 states have (on average 1.8750780762023735) internal successors, (3002), 1607 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:22,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 3002 transitions. [2022-02-09 02:00:22,845 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 3002 transitions. Word has length 114 [2022-02-09 02:00:22,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:22,845 INFO L470 AbstractCegarLoop]: Abstraction has 1608 states and 3002 transitions. [2022-02-09 02:00:22,845 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) [2022-02-09 02:00:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 3002 transitions. [2022-02-09 02:00:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:22,846 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:22,846 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:22,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-02-09 02:00:22,846 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:22,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:22,847 INFO L85 PathProgramCache]: Analyzing trace with hash -93297196, now seen corresponding path program 8 times [2022-02-09 02:00:22,847 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:22,847 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879186579] [2022-02-09 02:00:22,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:22,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:23,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:23,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879186579] [2022-02-09 02:00:23,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879186579] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:23,394 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:23,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:23,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391754068] [2022-02-09 02:00:23,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:23,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:23,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:23,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:23,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:23,395 INFO L87 Difference]: Start difference. First operand 1608 states and 3002 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) [2022-02-09 02:00:23,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:23,972 INFO L93 Difference]: Finished difference Result 1954 states and 3610 transitions. [2022-02-09 02:00:23,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:23,972 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 [2022-02-09 02:00:23,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:23,974 INFO L225 Difference]: With dead ends: 1954 [2022-02-09 02:00:23,974 INFO L226 Difference]: Without dead ends: 1954 [2022-02-09 02:00:23,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:23,975 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 199 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:23,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 441 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2022-02-09 02:00:23,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1610. [2022-02-09 02:00:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1603 states have (on average 1.8746101060511542) internal successors, (3005), 1609 states have internal predecessors, (3005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 3005 transitions. [2022-02-09 02:00:23,989 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 3005 transitions. Word has length 114 [2022-02-09 02:00:23,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:23,989 INFO L470 AbstractCegarLoop]: Abstraction has 1610 states and 3005 transitions. [2022-02-09 02:00:23,990 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) [2022-02-09 02:00:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 3005 transitions. [2022-02-09 02:00:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:23,991 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:23,991 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:23,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-02-09 02:00:23,991 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:23,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:23,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1533398418, now seen corresponding path program 9 times [2022-02-09 02:00:23,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:23,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390831232] [2022-02-09 02:00:23,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:23,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:24,513 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:24,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390831232] [2022-02-09 02:00:24,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390831232] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:24,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:24,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:24,514 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278644760] [2022-02-09 02:00:24,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:24,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:24,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:24,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:24,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:24,514 INFO L87 Difference]: Start difference. First operand 1610 states and 3005 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) [2022-02-09 02:00:25,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:25,010 INFO L93 Difference]: Finished difference Result 1954 states and 3614 transitions. [2022-02-09 02:00:25,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:25,010 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 [2022-02-09 02:00:25,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:25,013 INFO L225 Difference]: With dead ends: 1954 [2022-02-09 02:00:25,013 INFO L226 Difference]: Without dead ends: 1954 [2022-02-09 02:00:25,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:25,013 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 192 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:25,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 481 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:25,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2022-02-09 02:00:25,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1610. [2022-02-09 02:00:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1603 states have (on average 1.8746101060511542) internal successors, (3005), 1609 states have internal predecessors, (3005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 3005 transitions. [2022-02-09 02:00:25,029 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 3005 transitions. Word has length 114 [2022-02-09 02:00:25,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:25,029 INFO L470 AbstractCegarLoop]: Abstraction has 1610 states and 3005 transitions. [2022-02-09 02:00:25,029 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) [2022-02-09 02:00:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 3005 transitions. [2022-02-09 02:00:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:25,031 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:25,031 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:25,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-02-09 02:00:25,031 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:25,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:25,031 INFO L85 PathProgramCache]: Analyzing trace with hash 277819777, now seen corresponding path program 4 times [2022-02-09 02:00:25,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:25,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621348047] [2022-02-09 02:00:25,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:25,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:25,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:25,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621348047] [2022-02-09 02:00:25,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621348047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:25,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:25,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:25,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099401480] [2022-02-09 02:00:25,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:25,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:25,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:25,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:25,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:25,637 INFO L87 Difference]: Start difference. First operand 1610 states and 3005 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) [2022-02-09 02:00:26,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:26,163 INFO L93 Difference]: Finished difference Result 1802 states and 3353 transitions. [2022-02-09 02:00:26,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:26,163 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 [2022-02-09 02:00:26,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:26,165 INFO L225 Difference]: With dead ends: 1802 [2022-02-09 02:00:26,165 INFO L226 Difference]: Without dead ends: 1788 [2022-02-09 02:00:26,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:00:26,165 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 204 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:26,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 774 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:26,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2022-02-09 02:00:26,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1578. [2022-02-09 02:00:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1571 states have (on average 1.8714194780394653) internal successors, (2940), 1577 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2940 transitions. [2022-02-09 02:00:26,179 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2940 transitions. Word has length 114 [2022-02-09 02:00:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:26,179 INFO L470 AbstractCegarLoop]: Abstraction has 1578 states and 2940 transitions. [2022-02-09 02:00:26,179 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) [2022-02-09 02:00:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2940 transitions. [2022-02-09 02:00:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:26,180 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:26,181 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:26,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-02-09 02:00:26,181 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash -633836338, now seen corresponding path program 10 times [2022-02-09 02:00:26,181 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:26,181 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458779918] [2022-02-09 02:00:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:26,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:26,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:26,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458779918] [2022-02-09 02:00:26,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458779918] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:26,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:26,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:26,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67089631] [2022-02-09 02:00:26,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:26,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:26,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:26,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:26,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:26,451 INFO L87 Difference]: Start difference. First operand 1578 states and 2940 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) [2022-02-09 02:00:26,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:26,828 INFO L93 Difference]: Finished difference Result 1699 states and 3159 transitions. [2022-02-09 02:00:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:26,828 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 [2022-02-09 02:00:26,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:26,830 INFO L225 Difference]: With dead ends: 1699 [2022-02-09 02:00:26,830 INFO L226 Difference]: Without dead ends: 1699 [2022-02-09 02:00:26,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:00:26,830 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 106 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:26,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 589 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:00:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2022-02-09 02:00:26,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1588. [2022-02-09 02:00:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1581 states have (on average 1.8722327640733714) internal successors, (2960), 1587 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) [2022-02-09 02:00:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2960 transitions. [2022-02-09 02:00:26,843 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2960 transitions. Word has length 114 [2022-02-09 02:00:26,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:26,843 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 2960 transitions. [2022-02-09 02:00:26,843 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) [2022-02-09 02:00:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2960 transitions. [2022-02-09 02:00:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:26,845 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:26,845 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:26,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-02-09 02:00:26,845 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:26,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:26,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1038235218, now seen corresponding path program 11 times [2022-02-09 02:00:26,845 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:26,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522513871] [2022-02-09 02:00:26,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:26,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:27,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:27,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522513871] [2022-02-09 02:00:27,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522513871] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:27,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:27,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:27,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075378587] [2022-02-09 02:00:27,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:27,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:27,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:27,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:27,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:27,176 INFO L87 Difference]: Start difference. First operand 1588 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) [2022-02-09 02:00:27,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:27,579 INFO L93 Difference]: Finished difference Result 1694 states and 3149 transitions. [2022-02-09 02:00:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:27,579 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 [2022-02-09 02:00:27,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:27,581 INFO L225 Difference]: With dead ends: 1694 [2022-02-09 02:00:27,581 INFO L226 Difference]: Without dead ends: 1694 [2022-02-09 02:00:27,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:00:27,581 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 99 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:27,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 683 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:27,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-02-09 02:00:27,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1570. [2022-02-09 02:00:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1563 states have (on average 1.8707613563659629) internal successors, (2924), 1569 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) [2022-02-09 02:00:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2924 transitions. [2022-02-09 02:00:27,594 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2924 transitions. Word has length 114 [2022-02-09 02:00:27,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:27,594 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2924 transitions. [2022-02-09 02:00:27,594 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) [2022-02-09 02:00:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2924 transitions. [2022-02-09 02:00:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:27,596 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:27,596 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:27,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-02-09 02:00:27,596 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:27,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:27,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1891599700, now seen corresponding path program 12 times [2022-02-09 02:00:27,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:27,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542531801] [2022-02-09 02:00:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:27,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:27,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:27,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542531801] [2022-02-09 02:00:27,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542531801] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:27,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:27,965 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:27,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714877115] [2022-02-09 02:00:27,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:27,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:27,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:27,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:27,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:27,966 INFO L87 Difference]: Start difference. First operand 1570 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) [2022-02-09 02:00:28,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:28,524 INFO L93 Difference]: Finished difference Result 1752 states and 3248 transitions. [2022-02-09 02:00:28,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:00:28,525 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 [2022-02-09 02:00:28,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:28,527 INFO L225 Difference]: With dead ends: 1752 [2022-02-09 02:00:28,527 INFO L226 Difference]: Without dead ends: 1752 [2022-02-09 02:00:28,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:00:28,527 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 117 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:28,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 698 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:28,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2022-02-09 02:00:28,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1571. [2022-02-09 02:00:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.870843989769821) internal successors, (2926), 1570 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) [2022-02-09 02:00:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2926 transitions. [2022-02-09 02:00:28,541 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2926 transitions. Word has length 114 [2022-02-09 02:00:28,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:28,541 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2926 transitions. [2022-02-09 02:00:28,541 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) [2022-02-09 02:00:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2926 transitions. [2022-02-09 02:00:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:28,542 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:28,542 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:28,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-02-09 02:00:28,542 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:28,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:28,543 INFO L85 PathProgramCache]: Analyzing trace with hash -757357396, now seen corresponding path program 13 times [2022-02-09 02:00:28,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:28,543 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107992823] [2022-02-09 02:00:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:28,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:29,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:29,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107992823] [2022-02-09 02:00:29,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107992823] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:29,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:29,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:29,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580839065] [2022-02-09 02:00:29,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:29,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:29,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:29,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:29,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:29,030 INFO L87 Difference]: Start difference. First operand 1571 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) [2022-02-09 02:00:29,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:29,642 INFO L93 Difference]: Finished difference Result 1728 states and 3200 transitions. [2022-02-09 02:00:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:00:29,643 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 [2022-02-09 02:00:29,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:29,645 INFO L225 Difference]: With dead ends: 1728 [2022-02-09 02:00:29,645 INFO L226 Difference]: Without dead ends: 1728 [2022-02-09 02:00:29,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-09 02:00:29,645 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 118 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:29,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 556 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:29,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-02-09 02:00:29,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1572. [2022-02-09 02:00:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1565 states have (on average 1.870926517571885) internal successors, (2928), 1571 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) [2022-02-09 02:00:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2928 transitions. [2022-02-09 02:00:29,658 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2928 transitions. Word has length 114 [2022-02-09 02:00:29,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:29,658 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2928 transitions. [2022-02-09 02:00:29,658 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) [2022-02-09 02:00:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2928 transitions. [2022-02-09 02:00:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:29,659 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:29,659 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:29,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-02-09 02:00:29,659 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:29,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:29,660 INFO L85 PathProgramCache]: Analyzing trace with hash 869338218, now seen corresponding path program 14 times [2022-02-09 02:00:29,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:29,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448001659] [2022-02-09 02:00:29,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:29,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:30,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:30,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448001659] [2022-02-09 02:00:30,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448001659] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:30,124 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:30,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:30,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971364959] [2022-02-09 02:00:30,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:30,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:30,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:30,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:30,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:30,125 INFO L87 Difference]: Start difference. First operand 1572 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) [2022-02-09 02:00:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:30,628 INFO L93 Difference]: Finished difference Result 1732 states and 3208 transitions. [2022-02-09 02:00:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:00:30,629 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 [2022-02-09 02:00:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:30,631 INFO L225 Difference]: With dead ends: 1732 [2022-02-09 02:00:30,631 INFO L226 Difference]: Without dead ends: 1732 [2022-02-09 02:00:30,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-02-09 02:00:30,631 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 127 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:30,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 461 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:00:30,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2022-02-09 02:00:30,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1569. [2022-02-09 02:00:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1562 states have (on average 1.8706786171574903) internal successors, (2922), 1568 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2922 transitions. [2022-02-09 02:00:30,646 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2922 transitions. Word has length 114 [2022-02-09 02:00:30,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:30,646 INFO L470 AbstractCegarLoop]: Abstraction has 1569 states and 2922 transitions. [2022-02-09 02:00:30,646 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) [2022-02-09 02:00:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2922 transitions. [2022-02-09 02:00:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:30,647 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:30,647 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:30,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-02-09 02:00:30,647 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:30,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:30,648 INFO L85 PathProgramCache]: Analyzing trace with hash -762537084, now seen corresponding path program 15 times [2022-02-09 02:00:30,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:30,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127524280] [2022-02-09 02:00:30,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:30,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:30,959 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:30,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127524280] [2022-02-09 02:00:30,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127524280] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:30,959 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:30,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:30,960 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220321282] [2022-02-09 02:00:30,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:30,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:30,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:30,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:30,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:30,960 INFO L87 Difference]: Start difference. First operand 1569 states and 2922 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) [2022-02-09 02:00:31,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:31,347 INFO L93 Difference]: Finished difference Result 1677 states and 3115 transitions. [2022-02-09 02:00:31,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:31,347 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 [2022-02-09 02:00:31,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:31,349 INFO L225 Difference]: With dead ends: 1677 [2022-02-09 02:00:31,349 INFO L226 Difference]: Without dead ends: 1677 [2022-02-09 02:00:31,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:00:31,349 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 132 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:31,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 606 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:31,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2022-02-09 02:00:31,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1570. [2022-02-09 02:00:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1563 states have (on average 1.8707613563659629) internal successors, (2924), 1569 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) [2022-02-09 02:00:31,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2924 transitions. [2022-02-09 02:00:31,372 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2924 transitions. Word has length 114 [2022-02-09 02:00:31,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:31,372 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2924 transitions. [2022-02-09 02:00:31,372 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) [2022-02-09 02:00:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2924 transitions. [2022-02-09 02:00:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:31,373 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:31,374 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:31,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-02-09 02:00:31,374 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:31,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:31,375 INFO L85 PathProgramCache]: Analyzing trace with hash 371705220, now seen corresponding path program 16 times [2022-02-09 02:00:31,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:31,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007692631] [2022-02-09 02:00:31,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:31,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:31,787 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:31,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007692631] [2022-02-09 02:00:31,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007692631] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:31,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:31,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:31,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044504961] [2022-02-09 02:00:31,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:31,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:31,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:31,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:31,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:31,788 INFO L87 Difference]: Start difference. First operand 1570 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) [2022-02-09 02:00:32,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:32,404 INFO L93 Difference]: Finished difference Result 1710 states and 3164 transitions. [2022-02-09 02:00:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:00:32,404 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 [2022-02-09 02:00:32,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:32,406 INFO L225 Difference]: With dead ends: 1710 [2022-02-09 02:00:32,406 INFO L226 Difference]: Without dead ends: 1710 [2022-02-09 02:00:32,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-02-09 02:00:32,406 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 138 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:32,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 624 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:32,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-02-09 02:00:32,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1571. [2022-02-09 02:00:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.870843989769821) internal successors, (2926), 1570 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) [2022-02-09 02:00:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2926 transitions. [2022-02-09 02:00:32,420 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2926 transitions. Word has length 114 [2022-02-09 02:00:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:32,420 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2926 transitions. [2022-02-09 02:00:32,420 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) [2022-02-09 02:00:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2926 transitions. [2022-02-09 02:00:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:32,421 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:32,422 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:32,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-02-09 02:00:32,422 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:32,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:32,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1998400834, now seen corresponding path program 17 times [2022-02-09 02:00:32,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:32,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974982785] [2022-02-09 02:00:32,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:32,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:32,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:32,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974982785] [2022-02-09 02:00:32,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974982785] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:32,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:32,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:32,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591263318] [2022-02-09 02:00:32,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:32,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:32,846 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:32,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:32,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:32,847 INFO L87 Difference]: Start difference. First operand 1571 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) [2022-02-09 02:00:33,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:33,461 INFO L93 Difference]: Finished difference Result 1714 states and 3172 transitions. [2022-02-09 02:00:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:00:33,461 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 [2022-02-09 02:00:33,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:33,463 INFO L225 Difference]: With dead ends: 1714 [2022-02-09 02:00:33,463 INFO L226 Difference]: Without dead ends: 1714 [2022-02-09 02:00:33,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:00:33,464 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 131 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:33,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 790 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2022-02-09 02:00:33,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1569. [2022-02-09 02:00:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1562 states have (on average 1.8706786171574903) internal successors, (2922), 1568 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2922 transitions. [2022-02-09 02:00:33,478 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2922 transitions. Word has length 114 [2022-02-09 02:00:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:33,478 INFO L470 AbstractCegarLoop]: Abstraction has 1569 states and 2922 transitions. [2022-02-09 02:00:33,478 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) [2022-02-09 02:00:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2922 transitions. [2022-02-09 02:00:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:33,479 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:33,479 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:33,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-02-09 02:00:33,480 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:33,480 INFO L85 PathProgramCache]: Analyzing trace with hash -486804394, now seen corresponding path program 18 times [2022-02-09 02:00:33,480 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:33,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122486747] [2022-02-09 02:00:33,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:33,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:33,826 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:33,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122486747] [2022-02-09 02:00:33,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122486747] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:33,826 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:33,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:33,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986947977] [2022-02-09 02:00:33,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:33,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:33,827 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:33,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:33,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:33,827 INFO L87 Difference]: Start difference. First operand 1569 states and 2922 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) [2022-02-09 02:00:34,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:34,190 INFO L93 Difference]: Finished difference Result 1631 states and 3031 transitions. [2022-02-09 02:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:00:34,191 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 [2022-02-09 02:00:34,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:34,193 INFO L225 Difference]: With dead ends: 1631 [2022-02-09 02:00:34,193 INFO L226 Difference]: Without dead ends: 1631 [2022-02-09 02:00:34,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:00:34,193 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 138 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:34,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 784 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2022-02-09 02:00:34,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1569. [2022-02-09 02:00:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1562 states have (on average 1.8706786171574903) internal successors, (2922), 1568 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2922 transitions. [2022-02-09 02:00:34,206 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2922 transitions. Word has length 114 [2022-02-09 02:00:34,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:34,206 INFO L470 AbstractCegarLoop]: Abstraction has 1569 states and 2922 transitions. [2022-02-09 02:00:34,206 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) [2022-02-09 02:00:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2922 transitions. [2022-02-09 02:00:34,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:34,207 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:34,207 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:34,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-02-09 02:00:34,207 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:34,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:34,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1589942, now seen corresponding path program 19 times [2022-02-09 02:00:34,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:34,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30662497] [2022-02-09 02:00:34,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:34,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:34,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:34,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30662497] [2022-02-09 02:00:34,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30662497] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:34,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:34,568 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:34,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744461373] [2022-02-09 02:00:34,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:34,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:34,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:34,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:34,569 INFO L87 Difference]: Start difference. First operand 1569 states and 2922 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) [2022-02-09 02:00:35,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:35,222 INFO L93 Difference]: Finished difference Result 1670 states and 3092 transitions. [2022-02-09 02:00:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:00:35,223 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 [2022-02-09 02:00:35,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:35,225 INFO L225 Difference]: With dead ends: 1670 [2022-02-09 02:00:35,225 INFO L226 Difference]: Without dead ends: 1670 [2022-02-09 02:00:35,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:35,225 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 160 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:35,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 1037 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:35,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2022-02-09 02:00:35,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1570. [2022-02-09 02:00:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1563 states have (on average 1.8707613563659629) internal successors, (2924), 1569 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) [2022-02-09 02:00:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2924 transitions. [2022-02-09 02:00:35,238 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2924 transitions. Word has length 114 [2022-02-09 02:00:35,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:35,239 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2924 transitions. [2022-02-09 02:00:35,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2924 transitions. [2022-02-09 02:00:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:35,240 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:35,240 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:35,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-02-09 02:00:35,240 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:35,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1628285556, now seen corresponding path program 20 times [2022-02-09 02:00:35,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:35,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177729652] [2022-02-09 02:00:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:35,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:35,591 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:35,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177729652] [2022-02-09 02:00:35,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177729652] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:35,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:35,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:35,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805437068] [2022-02-09 02:00:35,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:35,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:35,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:35,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:35,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:35,592 INFO L87 Difference]: Start difference. First operand 1570 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) [2022-02-09 02:00:36,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:36,028 INFO L93 Difference]: Finished difference Result 1656 states and 3073 transitions. [2022-02-09 02:00:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:36,028 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 [2022-02-09 02:00:36,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:36,030 INFO L225 Difference]: With dead ends: 1656 [2022-02-09 02:00:36,030 INFO L226 Difference]: Without dead ends: 1656 [2022-02-09 02:00:36,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:00:36,031 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 157 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:36,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 723 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:36,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2022-02-09 02:00:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1569. [2022-02-09 02:00:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1562 states have (on average 1.8706786171574903) internal successors, (2922), 1568 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2922 transitions. [2022-02-09 02:00:36,043 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2922 transitions. Word has length 114 [2022-02-09 02:00:36,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:36,044 INFO L470 AbstractCegarLoop]: Abstraction has 1569 states and 2922 transitions. [2022-02-09 02:00:36,044 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) [2022-02-09 02:00:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2922 transitions. [2022-02-09 02:00:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:36,045 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:36,045 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:36,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-02-09 02:00:36,045 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:36,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1291602263, now seen corresponding path program 5 times [2022-02-09 02:00:36,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:36,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584662975] [2022-02-09 02:00:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:36,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:36,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:36,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584662975] [2022-02-09 02:00:36,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584662975] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:36,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:36,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:36,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651798199] [2022-02-09 02:00:36,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:36,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:36,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:36,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:36,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:36,377 INFO L87 Difference]: Start difference. First operand 1569 states and 2922 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) [2022-02-09 02:00:36,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:36,786 INFO L93 Difference]: Finished difference Result 1970 states and 3623 transitions. [2022-02-09 02:00:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:00:36,787 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 [2022-02-09 02:00:36,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:36,789 INFO L225 Difference]: With dead ends: 1970 [2022-02-09 02:00:36,789 INFO L226 Difference]: Without dead ends: 1970 [2022-02-09 02:00:36,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:00:36,789 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 244 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:36,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 508 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2022-02-09 02:00:36,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1578. [2022-02-09 02:00:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1571 states have (on average 1.8714194780394653) internal successors, (2940), 1577 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2940 transitions. [2022-02-09 02:00:36,804 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2940 transitions. Word has length 114 [2022-02-09 02:00:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:36,804 INFO L470 AbstractCegarLoop]: Abstraction has 1578 states and 2940 transitions. [2022-02-09 02:00:36,804 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) [2022-02-09 02:00:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2940 transitions. [2022-02-09 02:00:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:36,812 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:36,812 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:36,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-02-09 02:00:36,812 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:36,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:36,813 INFO L85 PathProgramCache]: Analyzing trace with hash 198793860, now seen corresponding path program 3 times [2022-02-09 02:00:36,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:36,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368483225] [2022-02-09 02:00:36,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:36,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:37,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:37,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368483225] [2022-02-09 02:00:37,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368483225] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:37,066 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:37,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:37,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870150598] [2022-02-09 02:00:37,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:37,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:37,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:37,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:37,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:37,067 INFO L87 Difference]: Start difference. First operand 1578 states and 2940 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) [2022-02-09 02:00:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:37,439 INFO L93 Difference]: Finished difference Result 1982 states and 3647 transitions. [2022-02-09 02:00:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:37,439 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 [2022-02-09 02:00:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:37,441 INFO L225 Difference]: With dead ends: 1982 [2022-02-09 02:00:37,441 INFO L226 Difference]: Without dead ends: 1982 [2022-02-09 02:00:37,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:00:37,442 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 212 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:37,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 402 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2022-02-09 02:00:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1568. [2022-02-09 02:00:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1561 states have (on average 1.8705957719410635) internal successors, (2920), 1567 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2920 transitions. [2022-02-09 02:00:37,455 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2920 transitions. Word has length 114 [2022-02-09 02:00:37,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:37,456 INFO L470 AbstractCegarLoop]: Abstraction has 1568 states and 2920 transitions. [2022-02-09 02:00:37,456 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) [2022-02-09 02:00:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2920 transitions. [2022-02-09 02:00:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:37,457 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:37,457 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:37,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-02-09 02:00:37,457 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:37,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:37,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1095055970, now seen corresponding path program 4 times [2022-02-09 02:00:37,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:37,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001389754] [2022-02-09 02:00:37,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:37,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:37,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:37,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001389754] [2022-02-09 02:00:37,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001389754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:37,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:37,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:37,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467559451] [2022-02-09 02:00:37,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:37,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:37,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:37,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:37,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:37,786 INFO L87 Difference]: Start difference. First operand 1568 states and 2920 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) [2022-02-09 02:00:38,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:38,177 INFO L93 Difference]: Finished difference Result 1966 states and 3616 transitions. [2022-02-09 02:00:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:38,177 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 [2022-02-09 02:00:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:38,179 INFO L225 Difference]: With dead ends: 1966 [2022-02-09 02:00:38,179 INFO L226 Difference]: Without dead ends: 1966 [2022-02-09 02:00:38,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:00:38,180 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 205 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:38,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 408 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2022-02-09 02:00:38,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1541. [2022-02-09 02:00:38,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1534 states have (on average 1.8709256844850066) internal successors, (2870), 1540 states have internal predecessors, (2870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2870 transitions. [2022-02-09 02:00:38,194 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2870 transitions. Word has length 114 [2022-02-09 02:00:38,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:38,195 INFO L470 AbstractCegarLoop]: Abstraction has 1541 states and 2870 transitions. [2022-02-09 02:00:38,195 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) [2022-02-09 02:00:38,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2870 transitions. [2022-02-09 02:00:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:38,196 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:38,196 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:38,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-02-09 02:00:38,196 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:38,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:38,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1621402836, now seen corresponding path program 21 times [2022-02-09 02:00:38,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:38,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720025136] [2022-02-09 02:00:38,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:38,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:38,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:38,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720025136] [2022-02-09 02:00:38,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720025136] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:38,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:38,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:38,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699575300] [2022-02-09 02:00:38,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:38,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:38,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:38,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:38,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:38,461 INFO L87 Difference]: Start difference. First operand 1541 states and 2870 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) [2022-02-09 02:00:38,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:38,825 INFO L93 Difference]: Finished difference Result 2006 states and 3689 transitions. [2022-02-09 02:00:38,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:38,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-09 02:00:38,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:38,827 INFO L225 Difference]: With dead ends: 2006 [2022-02-09 02:00:38,827 INFO L226 Difference]: Without dead ends: 2006 [2022-02-09 02:00:38,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:00:38,827 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 230 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:38,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 437 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:38,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2022-02-09 02:00:38,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1519. [2022-02-09 02:00:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1512 states have (on average 1.869047619047619) internal successors, (2826), 1518 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2826 transitions. [2022-02-09 02:00:38,840 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2826 transitions. Word has length 114 [2022-02-09 02:00:38,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:38,840 INFO L470 AbstractCegarLoop]: Abstraction has 1519 states and 2826 transitions. [2022-02-09 02:00:38,841 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) [2022-02-09 02:00:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2826 transitions. [2022-02-09 02:00:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:38,842 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:38,842 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:38,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-02-09 02:00:38,842 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:38,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:38,842 INFO L85 PathProgramCache]: Analyzing trace with hash -165592278, now seen corresponding path program 22 times [2022-02-09 02:00:38,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:38,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363866975] [2022-02-09 02:00:38,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:38,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:39,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:39,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363866975] [2022-02-09 02:00:39,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363866975] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:39,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:39,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:39,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187812681] [2022-02-09 02:00:39,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:39,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:39,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:39,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:39,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:39,203 INFO L87 Difference]: Start difference. First operand 1519 states and 2826 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) [2022-02-09 02:00:39,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:39,611 INFO L93 Difference]: Finished difference Result 1991 states and 3659 transitions. [2022-02-09 02:00:39,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:39,611 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 [2022-02-09 02:00:39,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:39,614 INFO L225 Difference]: With dead ends: 1991 [2022-02-09 02:00:39,614 INFO L226 Difference]: Without dead ends: 1991 [2022-02-09 02:00:39,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:00:39,614 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 225 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:39,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 503 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:39,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-02-09 02:00:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1246. [2022-02-09 02:00:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1239 states have (on average 1.8434221146085552) internal successors, (2284), 1245 states have internal predecessors, (2284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 2284 transitions. [2022-02-09 02:00:39,627 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 2284 transitions. Word has length 114 [2022-02-09 02:00:39,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:39,627 INFO L470 AbstractCegarLoop]: Abstraction has 1246 states and 2284 transitions. [2022-02-09 02:00:39,627 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) [2022-02-09 02:00:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2284 transitions. [2022-02-09 02:00:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:39,628 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:39,629 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:39,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-02-09 02:00:39,629 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash -315508177, now seen corresponding path program 1 times [2022-02-09 02:00:39,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:39,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127232934] [2022-02-09 02:00:39,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:39,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:40,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:40,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127232934] [2022-02-09 02:00:40,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127232934] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:40,343 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:40,343 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:00:40,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387874079] [2022-02-09 02:00:40,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:40,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:00:40,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:40,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:00:40,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:40,344 INFO L87 Difference]: Start difference. First operand 1246 states and 2284 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) [2022-02-09 02:00:40,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:40,932 INFO L93 Difference]: Finished difference Result 1556 states and 2858 transitions. [2022-02-09 02:00:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:40,932 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 [2022-02-09 02:00:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:40,934 INFO L225 Difference]: With dead ends: 1556 [2022-02-09 02:00:40,934 INFO L226 Difference]: Without dead ends: 1512 [2022-02-09 02:00:40,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:00:40,934 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 220 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:40,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 607 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:00:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-02-09 02:00:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1265. [2022-02-09 02:00:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1258 states have (on average 1.8441971383147853) internal successors, (2320), 1264 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) [2022-02-09 02:00:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 2320 transitions. [2022-02-09 02:00:40,945 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 2320 transitions. Word has length 114 [2022-02-09 02:00:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:40,945 INFO L470 AbstractCegarLoop]: Abstraction has 1265 states and 2320 transitions. [2022-02-09 02:00:40,945 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) [2022-02-09 02:00:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 2320 transitions. [2022-02-09 02:00:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:40,946 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:40,946 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:40,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-02-09 02:00:40,946 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:40,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:40,946 INFO L85 PathProgramCache]: Analyzing trace with hash 100492234, now seen corresponding path program 5 times [2022-02-09 02:00:40,947 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:40,947 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215134657] [2022-02-09 02:00:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:40,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:41,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:41,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215134657] [2022-02-09 02:00:41,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215134657] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:41,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:41,350 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:41,350 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825589582] [2022-02-09 02:00:41,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:41,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:41,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:41,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:41,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:41,351 INFO L87 Difference]: Start difference. First operand 1265 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) [2022-02-09 02:00:41,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:41,921 INFO L93 Difference]: Finished difference Result 1294 states and 2367 transitions. [2022-02-09 02:00:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:41,921 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-09 02:00:41,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:41,923 INFO L225 Difference]: With dead ends: 1294 [2022-02-09 02:00:41,923 INFO L226 Difference]: Without dead ends: 1294 [2022-02-09 02:00:41,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:00:41,923 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 164 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:41,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 458 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:41,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2022-02-09 02:00:41,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1265. [2022-02-09 02:00:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1258 states have (on average 1.8441971383147853) internal successors, (2320), 1264 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) [2022-02-09 02:00:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 2320 transitions. [2022-02-09 02:00:41,934 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 2320 transitions. Word has length 114 [2022-02-09 02:00:41,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:41,935 INFO L470 AbstractCegarLoop]: Abstraction has 1265 states and 2320 transitions. [2022-02-09 02:00:41,935 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) [2022-02-09 02:00:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 2320 transitions. [2022-02-09 02:00:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:41,936 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:41,936 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:41,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-02-09 02:00:41,936 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:41,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:41,936 INFO L85 PathProgramCache]: Analyzing trace with hash -751246544, now seen corresponding path program 6 times [2022-02-09 02:00:41,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:41,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137530178] [2022-02-09 02:00:41,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:41,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:42,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:42,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137530178] [2022-02-09 02:00:42,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137530178] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:42,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:42,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:42,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451473610] [2022-02-09 02:00:42,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:42,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:42,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:42,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:42,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:42,324 INFO L87 Difference]: Start difference. First operand 1265 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) [2022-02-09 02:00:42,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:42,824 INFO L93 Difference]: Finished difference Result 1312 states and 2398 transitions. [2022-02-09 02:00:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:42,824 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 [2022-02-09 02:00:42,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:42,826 INFO L225 Difference]: With dead ends: 1312 [2022-02-09 02:00:42,826 INFO L226 Difference]: Without dead ends: 1312 [2022-02-09 02:00:42,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:00:42,826 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 160 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:42,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 403 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:42,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2022-02-09 02:00:42,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1265. [2022-02-09 02:00:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1258 states have (on average 1.8441971383147853) internal successors, (2320), 1264 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) [2022-02-09 02:00:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 2320 transitions. [2022-02-09 02:00:42,851 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 2320 transitions. Word has length 114 [2022-02-09 02:00:42,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:42,852 INFO L470 AbstractCegarLoop]: Abstraction has 1265 states and 2320 transitions. [2022-02-09 02:00:42,852 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) [2022-02-09 02:00:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 2320 transitions. [2022-02-09 02:00:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:42,853 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:42,853 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:42,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-02-09 02:00:42,853 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:42,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:42,854 INFO L85 PathProgramCache]: Analyzing trace with hash -530038232, now seen corresponding path program 7 times [2022-02-09 02:00:42,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:42,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654025502] [2022-02-09 02:00:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:42,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:43,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:43,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654025502] [2022-02-09 02:00:43,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654025502] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:43,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:43,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:43,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928901656] [2022-02-09 02:00:43,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:43,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:43,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:43,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:43,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:43,214 INFO L87 Difference]: Start difference. First operand 1265 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) [2022-02-09 02:00:43,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:43,709 INFO L93 Difference]: Finished difference Result 1326 states and 2426 transitions. [2022-02-09 02:00:43,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:43,709 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 [2022-02-09 02:00:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:43,711 INFO L225 Difference]: With dead ends: 1326 [2022-02-09 02:00:43,711 INFO L226 Difference]: Without dead ends: 1326 [2022-02-09 02:00:43,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-09 02:00:43,711 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 146 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:43,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 515 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:43,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2022-02-09 02:00:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1265. [2022-02-09 02:00:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1258 states have (on average 1.8441971383147853) internal successors, (2320), 1264 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) [2022-02-09 02:00:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 2320 transitions. [2022-02-09 02:00:43,721 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 2320 transitions. Word has length 114 [2022-02-09 02:00:43,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:43,721 INFO L470 AbstractCegarLoop]: Abstraction has 1265 states and 2320 transitions. [2022-02-09 02:00:43,721 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) [2022-02-09 02:00:43,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 2320 transitions. [2022-02-09 02:00:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:43,722 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:43,722 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:43,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-02-09 02:00:43,723 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:43,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:43,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1517812654, now seen corresponding path program 8 times [2022-02-09 02:00:43,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:43,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622714486] [2022-02-09 02:00:43,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:43,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:44,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:44,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622714486] [2022-02-09 02:00:44,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622714486] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:44,076 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:44,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:44,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927507353] [2022-02-09 02:00:44,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:44,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:44,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:44,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:44,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:44,077 INFO L87 Difference]: Start difference. First operand 1265 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) [2022-02-09 02:00:44,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:44,442 INFO L93 Difference]: Finished difference Result 1312 states and 2403 transitions. [2022-02-09 02:00:44,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:44,442 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 [2022-02-09 02:00:44,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:44,444 INFO L225 Difference]: With dead ends: 1312 [2022-02-09 02:00:44,444 INFO L226 Difference]: Without dead ends: 1312 [2022-02-09 02:00:44,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:00:44,444 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 137 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:44,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 365 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:00:44,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2022-02-09 02:00:44,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1239. [2022-02-09 02:00:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8449675324675325) internal successors, (2273), 1238 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) [2022-02-09 02:00:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2273 transitions. [2022-02-09 02:00:44,454 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2273 transitions. Word has length 114 [2022-02-09 02:00:44,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:44,454 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2273 transitions. [2022-02-09 02:00:44,454 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) [2022-02-09 02:00:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2273 transitions. [2022-02-09 02:00:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:44,455 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:44,455 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:44,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-02-09 02:00:44,455 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:44,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:44,455 INFO L85 PathProgramCache]: Analyzing trace with hash -436551413, now seen corresponding path program 6 times [2022-02-09 02:00:44,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:44,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859182811] [2022-02-09 02:00:44,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:44,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:45,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:45,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859182811] [2022-02-09 02:00:45,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859182811] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:45,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:45,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:45,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3864576] [2022-02-09 02:00:45,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:45,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:45,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:45,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:45,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:45,303 INFO L87 Difference]: Start difference. First operand 1239 states and 2273 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) [2022-02-09 02:00:45,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:45,926 INFO L93 Difference]: Finished difference Result 1622 states and 2993 transitions. [2022-02-09 02:00:45,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:00:45,926 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 [2022-02-09 02:00:45,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:45,928 INFO L225 Difference]: With dead ends: 1622 [2022-02-09 02:00:45,928 INFO L226 Difference]: Without dead ends: 1601 [2022-02-09 02:00:45,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:00:45,928 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 240 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:45,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 543 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:45,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-02-09 02:00:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1230. [2022-02-09 02:00:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1223 states have (on average 1.8438266557645135) internal successors, (2255), 1229 states have internal predecessors, (2255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 2255 transitions. [2022-02-09 02:00:45,939 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 2255 transitions. Word has length 114 [2022-02-09 02:00:45,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:45,939 INFO L470 AbstractCegarLoop]: Abstraction has 1230 states and 2255 transitions. [2022-02-09 02:00:45,939 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) [2022-02-09 02:00:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 2255 transitions. [2022-02-09 02:00:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:45,940 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:45,940 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:45,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-02-09 02:00:45,940 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:45,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1569408653, now seen corresponding path program 7 times [2022-02-09 02:00:45,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:45,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635148932] [2022-02-09 02:00:45,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:45,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:46,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:46,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635148932] [2022-02-09 02:00:46,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635148932] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:46,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:46,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:46,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822357557] [2022-02-09 02:00:46,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:46,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:46,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:46,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:46,815 INFO L87 Difference]: Start difference. First operand 1230 states and 2255 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) [2022-02-09 02:00:47,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:47,435 INFO L93 Difference]: Finished difference Result 1541 states and 2833 transitions. [2022-02-09 02:00:47,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:00:47,435 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 [2022-02-09 02:00:47,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:47,437 INFO L225 Difference]: With dead ends: 1541 [2022-02-09 02:00:47,437 INFO L226 Difference]: Without dead ends: 1527 [2022-02-09 02:00:47,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:00:47,437 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 257 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:47,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 480 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:47,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-02-09 02:00:47,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1204. [2022-02-09 02:00:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1197 states have (on average 1.8404344193817879) internal successors, (2203), 1203 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 2203 transitions. [2022-02-09 02:00:47,447 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 2203 transitions. Word has length 114 [2022-02-09 02:00:47,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:47,447 INFO L470 AbstractCegarLoop]: Abstraction has 1204 states and 2203 transitions. [2022-02-09 02:00:47,447 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) [2022-02-09 02:00:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 2203 transitions. [2022-02-09 02:00:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:47,448 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:47,448 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:47,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-02-09 02:00:47,448 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:47,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash -236888212, now seen corresponding path program 23 times [2022-02-09 02:00:47,449 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:47,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960960806] [2022-02-09 02:00:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:47,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:47,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:47,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960960806] [2022-02-09 02:00:47,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960960806] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:47,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:47,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:47,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267738838] [2022-02-09 02:00:47,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:47,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:47,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:47,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:47,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:47,619 INFO L87 Difference]: Start difference. First operand 1204 states and 2203 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) [2022-02-09 02:00:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:48,121 INFO L93 Difference]: Finished difference Result 1274 states and 2334 transitions. [2022-02-09 02:00:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 02:00:48,121 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 [2022-02-09 02:00:48,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:48,123 INFO L225 Difference]: With dead ends: 1274 [2022-02-09 02:00:48,123 INFO L226 Difference]: Without dead ends: 1274 [2022-02-09 02:00:48,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-02-09 02:00:48,123 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 255 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:48,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 557 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:48,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2022-02-09 02:00:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1204. [2022-02-09 02:00:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1197 states have (on average 1.8404344193817879) internal successors, (2203), 1203 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 2203 transitions. [2022-02-09 02:00:48,133 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 2203 transitions. Word has length 114 [2022-02-09 02:00:48,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:48,134 INFO L470 AbstractCegarLoop]: Abstraction has 1204 states and 2203 transitions. [2022-02-09 02:00:48,134 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) [2022-02-09 02:00:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 2203 transitions. [2022-02-09 02:00:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:48,135 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:48,135 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:48,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-02-09 02:00:48,135 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:48,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:48,135 INFO L85 PathProgramCache]: Analyzing trace with hash -322421242, now seen corresponding path program 24 times [2022-02-09 02:00:48,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:48,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043004482] [2022-02-09 02:00:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:48,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:48,480 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:48,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043004482] [2022-02-09 02:00:48,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043004482] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:48,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:48,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:48,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489756664] [2022-02-09 02:00:48,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:48,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:48,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:48,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:48,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:48,481 INFO L87 Difference]: Start difference. First operand 1204 states and 2203 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) [2022-02-09 02:00:48,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:48,838 INFO L93 Difference]: Finished difference Result 1299 states and 2371 transitions. [2022-02-09 02:00:48,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:48,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-09 02:00:48,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:48,840 INFO L225 Difference]: With dead ends: 1299 [2022-02-09 02:00:48,840 INFO L226 Difference]: Without dead ends: 1299 [2022-02-09 02:00:48,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:00:48,840 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 160 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:48,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 368 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:48,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-02-09 02:00:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1214. [2022-02-09 02:00:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1207 states have (on average 1.8417564208782105) internal successors, (2223), 1213 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2223 transitions. [2022-02-09 02:00:48,850 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2223 transitions. Word has length 114 [2022-02-09 02:00:48,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:48,850 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 2223 transitions. [2022-02-09 02:00:48,850 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) [2022-02-09 02:00:48,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2223 transitions. [2022-02-09 02:00:48,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:48,851 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:48,851 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:48,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-02-09 02:00:48,852 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:48,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:48,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1349650314, now seen corresponding path program 25 times [2022-02-09 02:00:48,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:48,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086536162] [2022-02-09 02:00:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:48,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:49,274 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:49,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086536162] [2022-02-09 02:00:49,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086536162] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:49,275 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:49,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:49,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492697876] [2022-02-09 02:00:49,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:49,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:49,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:49,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:49,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:49,276 INFO L87 Difference]: Start difference. First operand 1214 states and 2223 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) [2022-02-09 02:00:49,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:49,583 INFO L93 Difference]: Finished difference Result 1294 states and 2361 transitions. [2022-02-09 02:00:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:49,583 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 [2022-02-09 02:00:49,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:49,585 INFO L225 Difference]: With dead ends: 1294 [2022-02-09 02:00:49,585 INFO L226 Difference]: Without dead ends: 1294 [2022-02-09 02:00:49,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:49,585 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 121 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:49,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 364 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:49,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2022-02-09 02:00:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1196. [2022-02-09 02:00:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1189 states have (on average 1.8393608074011774) internal successors, (2187), 1195 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 2187 transitions. [2022-02-09 02:00:49,595 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 2187 transitions. Word has length 114 [2022-02-09 02:00:49,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:49,595 INFO L470 AbstractCegarLoop]: Abstraction has 1196 states and 2187 transitions. [2022-02-09 02:00:49,595 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) [2022-02-09 02:00:49,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 2187 transitions. [2022-02-09 02:00:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:49,596 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:49,596 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:49,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-02-09 02:00:49,596 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:49,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:49,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1580184604, now seen corresponding path program 26 times [2022-02-09 02:00:49,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:49,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918184558] [2022-02-09 02:00:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:49,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:50,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:50,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918184558] [2022-02-09 02:00:50,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918184558] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:50,052 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:50,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:50,053 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801334365] [2022-02-09 02:00:50,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:50,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:50,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:50,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:50,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:50,053 INFO L87 Difference]: Start difference. First operand 1196 states and 2187 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) [2022-02-09 02:00:50,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:50,404 INFO L93 Difference]: Finished difference Result 1278 states and 2329 transitions. [2022-02-09 02:00:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:50,405 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 [2022-02-09 02:00:50,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:50,406 INFO L225 Difference]: With dead ends: 1278 [2022-02-09 02:00:50,406 INFO L226 Difference]: Without dead ends: 1278 [2022-02-09 02:00:50,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:50,407 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 158 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:50,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 397 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:50,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-02-09 02:00:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1188. [2022-02-09 02:00:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 1181 states have (on average 1.8382726502963591) internal successors, (2171), 1187 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) [2022-02-09 02:00:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 2171 transitions. [2022-02-09 02:00:50,416 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 2171 transitions. Word has length 114 [2022-02-09 02:00:50,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:50,417 INFO L470 AbstractCegarLoop]: Abstraction has 1188 states and 2171 transitions. [2022-02-09 02:00:50,417 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) [2022-02-09 02:00:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 2171 transitions. [2022-02-09 02:00:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:50,418 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:50,418 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:50,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-02-09 02:00:50,418 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:50,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:50,418 INFO L85 PathProgramCache]: Analyzing trace with hash -445942300, now seen corresponding path program 27 times [2022-02-09 02:00:50,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:50,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296707761] [2022-02-09 02:00:50,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:50,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:51,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:51,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296707761] [2022-02-09 02:00:51,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296707761] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:51,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:51,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:51,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601661036] [2022-02-09 02:00:51,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:51,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:51,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:51,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:51,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:51,002 INFO L87 Difference]: Start difference. First operand 1188 states and 2171 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) [2022-02-09 02:00:51,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:51,378 INFO L93 Difference]: Finished difference Result 1258 states and 2285 transitions. [2022-02-09 02:00:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:51,378 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 [2022-02-09 02:00:51,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:51,380 INFO L225 Difference]: With dead ends: 1258 [2022-02-09 02:00:51,380 INFO L226 Difference]: Without dead ends: 1258 [2022-02-09 02:00:51,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:51,380 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 168 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:51,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 383 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:51,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2022-02-09 02:00:51,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1187. [2022-02-09 02:00:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1180 states have (on average 1.8389830508474576) internal successors, (2170), 1186 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2170 transitions. [2022-02-09 02:00:51,390 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2170 transitions. Word has length 114 [2022-02-09 02:00:51,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:51,390 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2170 transitions. [2022-02-09 02:00:51,390 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) [2022-02-09 02:00:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2170 transitions. [2022-02-09 02:00:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 02:00:51,391 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:51,391 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:51,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-02-09 02:00:51,392 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:51,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1180753314, now seen corresponding path program 28 times [2022-02-09 02:00:51,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:51,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412596506] [2022-02-09 02:00:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:51,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:51,963 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:51,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412596506] [2022-02-09 02:00:51,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412596506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:51,963 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:51,963 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:51,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933474832] [2022-02-09 02:00:51,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:51,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:51,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:51,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:51,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:51,964 INFO L87 Difference]: Start difference. First operand 1187 states and 2170 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) [2022-02-09 02:00:52,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:52,282 INFO L93 Difference]: Finished difference Result 1258 states and 2289 transitions. [2022-02-09 02:00:52,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:00:52,283 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 [2022-02-09 02:00:52,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:52,284 INFO L225 Difference]: With dead ends: 1258 [2022-02-09 02:00:52,284 INFO L226 Difference]: Without dead ends: 1258 [2022-02-09 02:00:52,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:52,285 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 174 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:52,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 336 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:52,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2022-02-09 02:00:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1153. [2022-02-09 02:00:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1146 states have (on average 1.8411867364746946) internal successors, (2110), 1152 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) [2022-02-09 02:00:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2110 transitions. [2022-02-09 02:00:52,294 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2110 transitions. Word has length 114 [2022-02-09 02:00:52,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:52,294 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2110 transitions. [2022-02-09 02:00:52,294 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) [2022-02-09 02:00:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2110 transitions. [2022-02-09 02:00:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:52,295 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:52,295 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:52,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-02-09 02:00:52,295 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:52,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:52,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1303131048, now seen corresponding path program 1 times [2022-02-09 02:00:52,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:52,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219293965] [2022-02-09 02:00:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:52,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:52,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:52,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219293965] [2022-02-09 02:00:52,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219293965] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:52,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:52,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:52,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119383881] [2022-02-09 02:00:52,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:52,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:52,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:52,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:52,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:52,685 INFO L87 Difference]: Start difference. First operand 1153 states and 2110 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) [2022-02-09 02:00:53,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:53,137 INFO L93 Difference]: Finished difference Result 1904 states and 3488 transitions. [2022-02-09 02:00:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:00:53,137 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 [2022-02-09 02:00:53,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:53,140 INFO L225 Difference]: With dead ends: 1904 [2022-02-09 02:00:53,140 INFO L226 Difference]: Without dead ends: 1904 [2022-02-09 02:00:53,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:53,140 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 277 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:53,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 432 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2022-02-09 02:00:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1204. [2022-02-09 02:00:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1197 states have (on average 1.847953216374269) internal successors, (2212), 1203 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 2212 transitions. [2022-02-09 02:00:53,151 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 2212 transitions. Word has length 115 [2022-02-09 02:00:53,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:53,151 INFO L470 AbstractCegarLoop]: Abstraction has 1204 states and 2212 transitions. [2022-02-09 02:00:53,151 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) [2022-02-09 02:00:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 2212 transitions. [2022-02-09 02:00:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:53,152 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:53,152 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:53,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-02-09 02:00:53,153 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:53,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:53,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971395, now seen corresponding path program 1 times [2022-02-09 02:00:53,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:53,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488552774] [2022-02-09 02:00:53,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:53,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:53,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:53,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488552774] [2022-02-09 02:00:53,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488552774] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:53,269 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:53,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 02:00:53,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109468349] [2022-02-09 02:00:53,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:53,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 02:00:53,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:53,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 02:00:53,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-09 02:00:53,269 INFO L87 Difference]: Start difference. First operand 1204 states and 2212 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) [2022-02-09 02:00:53,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:53,495 INFO L93 Difference]: Finished difference Result 1307 states and 2406 transitions. [2022-02-09 02:00:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 02:00:53,496 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 [2022-02-09 02:00:53,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:53,497 INFO L225 Difference]: With dead ends: 1307 [2022-02-09 02:00:53,497 INFO L226 Difference]: Without dead ends: 1307 [2022-02-09 02:00:53,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:53,497 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 112 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:53,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 340 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:00:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2022-02-09 02:00:53,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1213. [2022-02-09 02:00:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1206 states have (on average 1.8490878938640132) internal successors, (2230), 1212 states have internal predecessors, (2230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 2230 transitions. [2022-02-09 02:00:53,507 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 2230 transitions. Word has length 115 [2022-02-09 02:00:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:53,507 INFO L470 AbstractCegarLoop]: Abstraction has 1213 states and 2230 transitions. [2022-02-09 02:00:53,507 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) [2022-02-09 02:00:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 2230 transitions. [2022-02-09 02:00:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:53,508 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:53,508 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:53,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-02-09 02:00:53,508 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:53,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:53,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1212048835, now seen corresponding path program 2 times [2022-02-09 02:00:53,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:53,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405971404] [2022-02-09 02:00:53,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:53,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:53,691 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:53,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405971404] [2022-02-09 02:00:53,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405971404] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:53,691 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:53,691 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:53,692 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967307431] [2022-02-09 02:00:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:53,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:53,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:53,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:53,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:53,692 INFO L87 Difference]: Start difference. First operand 1213 states and 2230 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) [2022-02-09 02:00:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:54,122 INFO L93 Difference]: Finished difference Result 1892 states and 3465 transitions. [2022-02-09 02:00:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:54,122 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 [2022-02-09 02:00:54,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:54,124 INFO L225 Difference]: With dead ends: 1892 [2022-02-09 02:00:54,124 INFO L226 Difference]: Without dead ends: 1892 [2022-02-09 02:00:54,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:54,125 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 231 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:54,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 565 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:54,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-02-09 02:00:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1408. [2022-02-09 02:00:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1401 states have (on average 1.8700927908636689) internal successors, (2620), 1407 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2620 transitions. [2022-02-09 02:00:54,137 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2620 transitions. Word has length 115 [2022-02-09 02:00:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:54,137 INFO L470 AbstractCegarLoop]: Abstraction has 1408 states and 2620 transitions. [2022-02-09 02:00:54,138 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) [2022-02-09 02:00:54,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2620 transitions. [2022-02-09 02:00:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:54,139 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:54,139 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:54,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-02-09 02:00:54,139 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:54,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:54,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1212018145, now seen corresponding path program 3 times [2022-02-09 02:00:54,139 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:54,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191954169] [2022-02-09 02:00:54,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:54,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:54,374 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:54,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191954169] [2022-02-09 02:00:54,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191954169] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:54,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:54,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:54,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486938825] [2022-02-09 02:00:54,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:54,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:54,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:54,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:54,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:54,375 INFO L87 Difference]: Start difference. First operand 1408 states and 2620 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) [2022-02-09 02:00:54,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:54,822 INFO L93 Difference]: Finished difference Result 1860 states and 3402 transitions. [2022-02-09 02:00:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:54,823 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 [2022-02-09 02:00:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:54,825 INFO L225 Difference]: With dead ends: 1860 [2022-02-09 02:00:54,825 INFO L226 Difference]: Without dead ends: 1860 [2022-02-09 02:00:54,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:54,825 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 235 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:54,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 526 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:54,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-02-09 02:00:54,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1417. [2022-02-09 02:00:54,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1410 states have (on average 1.8702127659574468) internal successors, (2637), 1416 states have internal predecessors, (2637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2637 transitions. [2022-02-09 02:00:54,848 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2637 transitions. Word has length 115 [2022-02-09 02:00:54,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:54,848 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2637 transitions. [2022-02-09 02:00:54,848 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) [2022-02-09 02:00:54,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2637 transitions. [2022-02-09 02:00:54,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:54,849 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:54,850 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:54,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-02-09 02:00:54,850 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:54,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:54,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1949471993, now seen corresponding path program 4 times [2022-02-09 02:00:54,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:54,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124425431] [2022-02-09 02:00:54,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:54,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:55,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:55,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124425431] [2022-02-09 02:00:55,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124425431] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:55,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:55,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:55,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751033701] [2022-02-09 02:00:55,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:55,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:55,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:55,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:55,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:55,162 INFO L87 Difference]: Start difference. First operand 1417 states and 2637 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) [2022-02-09 02:00:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:55,588 INFO L93 Difference]: Finished difference Result 1822 states and 3327 transitions. [2022-02-09 02:00:55,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:55,589 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 [2022-02-09 02:00:55,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:55,591 INFO L225 Difference]: With dead ends: 1822 [2022-02-09 02:00:55,591 INFO L226 Difference]: Without dead ends: 1822 [2022-02-09 02:00:55,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:55,591 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 199 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:55,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 482 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:55,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-02-09 02:00:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1432. [2022-02-09 02:00:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8708771929824561) internal successors, (2666), 1431 states have internal predecessors, (2666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2666 transitions. [2022-02-09 02:00:55,605 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2666 transitions. Word has length 115 [2022-02-09 02:00:55,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:55,605 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2666 transitions. [2022-02-09 02:00:55,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2666 transitions. [2022-02-09 02:00:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:55,607 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:55,607 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:55,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-02-09 02:00:55,608 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:55,608 INFO L85 PathProgramCache]: Analyzing trace with hash 494832927, now seen corresponding path program 5 times [2022-02-09 02:00:55,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:55,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554768800] [2022-02-09 02:00:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:55,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:55,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:55,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554768800] [2022-02-09 02:00:55,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554768800] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:55,999 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:55,999 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:55,999 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777209380] [2022-02-09 02:00:55,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:55,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:55,999 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:55,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:56,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:56,000 INFO L87 Difference]: Start difference. First operand 1432 states and 2666 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) [2022-02-09 02:00:56,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:56,475 INFO L93 Difference]: Finished difference Result 1811 states and 3307 transitions. [2022-02-09 02:00:56,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:56,475 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 [2022-02-09 02:00:56,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:56,477 INFO L225 Difference]: With dead ends: 1811 [2022-02-09 02:00:56,477 INFO L226 Difference]: Without dead ends: 1811 [2022-02-09 02:00:56,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:56,480 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 207 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:56,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 537 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:00:56,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2022-02-09 02:00:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1444. [2022-02-09 02:00:56,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1437 states have (on average 1.8649965205288797) internal successors, (2680), 1443 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2680 transitions. [2022-02-09 02:00:56,494 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2680 transitions. Word has length 115 [2022-02-09 02:00:56,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:56,494 INFO L470 AbstractCegarLoop]: Abstraction has 1444 states and 2680 transitions. [2022-02-09 02:00:56,494 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) [2022-02-09 02:00:56,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2680 transitions. [2022-02-09 02:00:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:56,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:56,496 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:56,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-02-09 02:00:56,496 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:56,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:56,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1341906476, now seen corresponding path program 1 times [2022-02-09 02:00:56,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:56,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138371631] [2022-02-09 02:00:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:56,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:56,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:56,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138371631] [2022-02-09 02:00:56,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138371631] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:56,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:56,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 02:00:56,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507731168] [2022-02-09 02:00:56,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:56,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 02:00:56,581 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:56,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 02:00:56,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-09 02:00:56,581 INFO L87 Difference]: Start difference. First operand 1444 states and 2680 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) [2022-02-09 02:00:56,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:56,821 INFO L93 Difference]: Finished difference Result 1539 states and 2860 transitions. [2022-02-09 02:00:56,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:56,821 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 [2022-02-09 02:00:56,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:56,823 INFO L225 Difference]: With dead ends: 1539 [2022-02-09 02:00:56,823 INFO L226 Difference]: Without dead ends: 1539 [2022-02-09 02:00:56,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:56,823 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 141 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:56,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 519 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:00:56,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2022-02-09 02:00:56,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1450. [2022-02-09 02:00:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1443 states have (on average 1.8655578655578655) internal successors, (2692), 1449 states have internal predecessors, (2692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2692 transitions. [2022-02-09 02:00:56,835 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2692 transitions. Word has length 115 [2022-02-09 02:00:56,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:56,835 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 2692 transitions. [2022-02-09 02:00:56,835 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) [2022-02-09 02:00:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2692 transitions. [2022-02-09 02:00:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:56,836 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:56,836 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:56,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-02-09 02:00:56,836 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:56,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1255449956, now seen corresponding path program 2 times [2022-02-09 02:00:56,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:56,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201389736] [2022-02-09 02:00:56,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:56,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:57,197 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:57,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201389736] [2022-02-09 02:00:57,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201389736] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:57,197 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:57,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:00:57,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663627007] [2022-02-09 02:00:57,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:57,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:00:57,198 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:57,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:00:57,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:00:57,198 INFO L87 Difference]: Start difference. First operand 1450 states and 2692 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) [2022-02-09 02:00:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:57,926 INFO L93 Difference]: Finished difference Result 2845 states and 5280 transitions. [2022-02-09 02:00:57,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 02:00:57,927 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 [2022-02-09 02:00:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:57,929 INFO L225 Difference]: With dead ends: 2845 [2022-02-09 02:00:57,930 INFO L226 Difference]: Without dead ends: 2845 [2022-02-09 02:00:57,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:00:57,930 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 203 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:57,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 653 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:00:57,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2022-02-09 02:00:57,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 1848. [2022-02-09 02:00:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1848 states, 1841 states have (on average 1.8946224877783813) internal successors, (3488), 1847 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 3488 transitions. [2022-02-09 02:00:57,951 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 3488 transitions. Word has length 115 [2022-02-09 02:00:57,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:57,951 INFO L470 AbstractCegarLoop]: Abstraction has 1848 states and 3488 transitions. [2022-02-09 02:00:57,951 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) [2022-02-09 02:00:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 3488 transitions. [2022-02-09 02:00:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:57,953 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:57,953 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:57,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-02-09 02:00:57,953 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:57,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:57,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1357951778, now seen corresponding path program 3 times [2022-02-09 02:00:57,958 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:57,958 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120862208] [2022-02-09 02:00:57,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:57,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:58,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:58,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120862208] [2022-02-09 02:00:58,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120862208] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:58,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:58,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:58,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442525466] [2022-02-09 02:00:58,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:58,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:58,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:58,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:58,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:58,376 INFO L87 Difference]: Start difference. First operand 1848 states and 3488 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) [2022-02-09 02:00:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:58,849 INFO L93 Difference]: Finished difference Result 2259 states and 4196 transitions. [2022-02-09 02:00:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:58,850 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 [2022-02-09 02:00:58,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:58,852 INFO L225 Difference]: With dead ends: 2259 [2022-02-09 02:00:58,852 INFO L226 Difference]: Without dead ends: 2259 [2022-02-09 02:00:58,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:58,853 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 256 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:58,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 570 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:58,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2022-02-09 02:00:58,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 1501. [2022-02-09 02:00:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1494 states have (on average 1.8701472556894243) internal successors, (2794), 1500 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2794 transitions. [2022-02-09 02:00:58,866 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2794 transitions. Word has length 115 [2022-02-09 02:00:58,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:58,866 INFO L470 AbstractCegarLoop]: Abstraction has 1501 states and 2794 transitions. [2022-02-09 02:00:58,866 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) [2022-02-09 02:00:58,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2794 transitions. [2022-02-09 02:00:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:58,868 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:58,868 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:58,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-02-09 02:00:58,868 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:58,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:58,868 INFO L85 PathProgramCache]: Analyzing trace with hash -756561180, now seen corresponding path program 4 times [2022-02-09 02:00:58,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:58,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140632929] [2022-02-09 02:00:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:58,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:59,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:59,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140632929] [2022-02-09 02:00:59,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140632929] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:00:59,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:00:59,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:00:59,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271956679] [2022-02-09 02:00:59,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:00:59,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:00:59,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:59,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:00:59,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:00:59,282 INFO L87 Difference]: Start difference. First operand 1501 states and 2794 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) [2022-02-09 02:00:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:59,775 INFO L93 Difference]: Finished difference Result 1845 states and 3368 transitions. [2022-02-09 02:00:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:00:59,775 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 [2022-02-09 02:00:59,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:59,778 INFO L225 Difference]: With dead ends: 1845 [2022-02-09 02:00:59,778 INFO L226 Difference]: Without dead ends: 1845 [2022-02-09 02:00:59,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:00:59,778 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 237 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:59,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 559 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:00:59,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2022-02-09 02:00:59,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1517. [2022-02-09 02:00:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1510 states have (on average 1.862251655629139) internal successors, (2812), 1516 states have internal predecessors, (2812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:00:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2812 transitions. [2022-02-09 02:00:59,792 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2812 transitions. Word has length 115 [2022-02-09 02:00:59,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:59,792 INFO L470 AbstractCegarLoop]: Abstraction has 1517 states and 2812 transitions. [2022-02-09 02:00:59,793 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) [2022-02-09 02:00:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2812 transitions. [2022-02-09 02:00:59,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:00:59,794 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:59,794 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:59,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-02-09 02:00:59,794 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:00:59,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:59,794 INFO L85 PathProgramCache]: Analyzing trace with hash -620045404, now seen corresponding path program 5 times [2022-02-09 02:00:59,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:59,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215763854] [2022-02-09 02:00:59,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:59,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:00,033 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:00,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215763854] [2022-02-09 02:01:00,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215763854] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:00,033 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:00,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:00,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367651472] [2022-02-09 02:01:00,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:00,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:00,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:00,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:00,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:00,034 INFO L87 Difference]: Start difference. First operand 1517 states and 2812 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) [2022-02-09 02:01:00,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:00,755 INFO L93 Difference]: Finished difference Result 1872 states and 3459 transitions. [2022-02-09 02:01:00,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 02:01:00,755 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 [2022-02-09 02:01:00,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:00,758 INFO L225 Difference]: With dead ends: 1872 [2022-02-09 02:01:00,758 INFO L226 Difference]: Without dead ends: 1872 [2022-02-09 02:01:00,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-02-09 02:01:00,758 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 312 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:00,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 760 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:00,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2022-02-09 02:01:00,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1519. [2022-02-09 02:01:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1512 states have (on average 1.8624338624338623) internal successors, (2816), 1518 states have internal predecessors, (2816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2816 transitions. [2022-02-09 02:01:00,771 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2816 transitions. Word has length 115 [2022-02-09 02:01:00,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:00,771 INFO L470 AbstractCegarLoop]: Abstraction has 1519 states and 2816 transitions. [2022-02-09 02:01:00,771 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) [2022-02-09 02:01:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2816 transitions. [2022-02-09 02:01:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:00,773 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:00,773 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:00,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-02-09 02:01:00,773 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash -706501924, now seen corresponding path program 6 times [2022-02-09 02:01:00,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:00,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303259002] [2022-02-09 02:01:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:00,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:01,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:01,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303259002] [2022-02-09 02:01:01,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303259002] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:01,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:01,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:01:01,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263008051] [2022-02-09 02:01:01,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:01,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:01:01,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:01,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:01:01,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:01,285 INFO L87 Difference]: Start difference. First operand 1519 states and 2816 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) [2022-02-09 02:01:01,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:01,901 INFO L93 Difference]: Finished difference Result 2347 states and 4363 transitions. [2022-02-09 02:01:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:01:01,902 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 [2022-02-09 02:01:01,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:01,904 INFO L225 Difference]: With dead ends: 2347 [2022-02-09 02:01:01,904 INFO L226 Difference]: Without dead ends: 2347 [2022-02-09 02:01:01,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:01,905 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 100 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:01,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 654 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:01,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2022-02-09 02:01:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 1639. [2022-02-09 02:01:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1632 states have (on average 1.8725490196078431) internal successors, (3056), 1638 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3056 transitions. [2022-02-09 02:01:01,920 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3056 transitions. Word has length 115 [2022-02-09 02:01:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:01,920 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3056 transitions. [2022-02-09 02:01:01,920 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) [2022-02-09 02:01:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3056 transitions. [2022-02-09 02:01:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:01,921 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:01,922 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:01,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-02-09 02:01:01,922 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:01,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:01,922 INFO L85 PathProgramCache]: Analyzing trace with hash 936941442, now seen corresponding path program 7 times [2022-02-09 02:01:01,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:01,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549671535] [2022-02-09 02:01:01,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:01,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:02,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:02,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549671535] [2022-02-09 02:01:02,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549671535] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:02,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:02,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:02,323 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807152447] [2022-02-09 02:01:02,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:02,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:02,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:02,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:02,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:02,324 INFO L87 Difference]: Start difference. First operand 1639 states and 3056 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) [2022-02-09 02:01:02,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:02,884 INFO L93 Difference]: Finished difference Result 1978 states and 3655 transitions. [2022-02-09 02:01:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:02,885 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 [2022-02-09 02:01:02,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:02,887 INFO L225 Difference]: With dead ends: 1978 [2022-02-09 02:01:02,887 INFO L226 Difference]: Without dead ends: 1978 [2022-02-09 02:01:02,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:02,887 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 168 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:02,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 718 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2022-02-09 02:01:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1538. [2022-02-09 02:01:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1531 states have (on average 1.8641410842586545) internal successors, (2854), 1537 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2854 transitions. [2022-02-09 02:01:02,901 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2854 transitions. Word has length 115 [2022-02-09 02:01:02,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:02,901 INFO L470 AbstractCegarLoop]: Abstraction has 1538 states and 2854 transitions. [2022-02-09 02:01:02,901 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) [2022-02-09 02:01:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2854 transitions. [2022-02-09 02:01:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:02,902 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:02,902 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:02,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-02-09 02:01:02,902 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:02,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:02,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1231552126, now seen corresponding path program 8 times [2022-02-09 02:01:02,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:02,903 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588713727] [2022-02-09 02:01:02,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:02,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:03,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:03,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588713727] [2022-02-09 02:01:03,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588713727] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:03,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:03,350 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:03,350 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116362222] [2022-02-09 02:01:03,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:03,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:03,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:03,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:03,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:03,350 INFO L87 Difference]: Start difference. First operand 1538 states and 2854 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) [2022-02-09 02:01:03,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:03,803 INFO L93 Difference]: Finished difference Result 1847 states and 3393 transitions. [2022-02-09 02:01:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:03,803 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 [2022-02-09 02:01:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:03,805 INFO L225 Difference]: With dead ends: 1847 [2022-02-09 02:01:03,805 INFO L226 Difference]: Without dead ends: 1847 [2022-02-09 02:01:03,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:03,806 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 178 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:03,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 460 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2022-02-09 02:01:03,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1520. [2022-02-09 02:01:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1513 states have (on average 1.8625247851949769) internal successors, (2818), 1519 states have internal predecessors, (2818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 2818 transitions. [2022-02-09 02:01:03,818 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 2818 transitions. Word has length 115 [2022-02-09 02:01:03,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:03,819 INFO L470 AbstractCegarLoop]: Abstraction has 1520 states and 2818 transitions. [2022-02-09 02:01:03,819 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) [2022-02-09 02:01:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2818 transitions. [2022-02-09 02:01:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:03,820 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:03,820 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:03,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-02-09 02:01:03,820 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:03,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:03,820 INFO L85 PathProgramCache]: Analyzing trace with hash 600982884, now seen corresponding path program 9 times [2022-02-09 02:01:03,820 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:03,820 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729761147] [2022-02-09 02:01:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:03,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:04,315 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:04,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729761147] [2022-02-09 02:01:04,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729761147] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:04,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:04,316 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:04,316 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710782171] [2022-02-09 02:01:04,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:04,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:04,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:04,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:04,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:04,316 INFO L87 Difference]: Start difference. First operand 1520 states and 2818 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) [2022-02-09 02:01:04,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:04,798 INFO L93 Difference]: Finished difference Result 1829 states and 3357 transitions. [2022-02-09 02:01:04,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:04,799 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 [2022-02-09 02:01:04,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:04,801 INFO L225 Difference]: With dead ends: 1829 [2022-02-09 02:01:04,801 INFO L226 Difference]: Without dead ends: 1829 [2022-02-09 02:01:04,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:04,801 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 181 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:04,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 476 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:04,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2022-02-09 02:01:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1521. [2022-02-09 02:01:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1514 states have (on average 1.8626155878467636) internal successors, (2820), 1520 states have internal predecessors, (2820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2820 transitions. [2022-02-09 02:01:04,814 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2820 transitions. Word has length 115 [2022-02-09 02:01:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:04,815 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 2820 transitions. [2022-02-09 02:01:04,815 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) [2022-02-09 02:01:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2820 transitions. [2022-02-09 02:01:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:04,816 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:04,816 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:04,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-02-09 02:01:04,816 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:04,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:04,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1402755940, now seen corresponding path program 10 times [2022-02-09 02:01:04,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:04,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159756107] [2022-02-09 02:01:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:04,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:05,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:05,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159756107] [2022-02-09 02:01:05,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159756107] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:05,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:05,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:05,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165434373] [2022-02-09 02:01:05,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:05,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:05,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:05,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:05,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:05,899 INFO L87 Difference]: Start difference. First operand 1521 states and 2820 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) [2022-02-09 02:01:07,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:07,500 INFO L93 Difference]: Finished difference Result 2315 states and 4257 transitions. [2022-02-09 02:01:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 02:01:07,500 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 [2022-02-09 02:01:07,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:07,503 INFO L225 Difference]: With dead ends: 2315 [2022-02-09 02:01:07,503 INFO L226 Difference]: Without dead ends: 2315 [2022-02-09 02:01:07,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=366, Invalid=1274, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 02:01:07,504 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 841 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:07,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [841 Valid, 979 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-09 02:01:07,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2022-02-09 02:01:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 1527. [2022-02-09 02:01:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1520 states have (on average 1.8625) internal successors, (2831), 1526 states have internal predecessors, (2831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2831 transitions. [2022-02-09 02:01:07,518 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2831 transitions. Word has length 115 [2022-02-09 02:01:07,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:07,518 INFO L470 AbstractCegarLoop]: Abstraction has 1527 states and 2831 transitions. [2022-02-09 02:01:07,518 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) [2022-02-09 02:01:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2831 transitions. [2022-02-09 02:01:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:07,519 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:07,519 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:07,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-02-09 02:01:07,520 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:07,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash 290712422, now seen corresponding path program 11 times [2022-02-09 02:01:07,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:07,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840924525] [2022-02-09 02:01:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:07,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:08,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:08,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840924525] [2022-02-09 02:01:08,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840924525] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:08,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:08,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:08,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283029937] [2022-02-09 02:01:08,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:08,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:08,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:08,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:08,149 INFO L87 Difference]: Start difference. First operand 1527 states and 2831 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) [2022-02-09 02:01:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:08,657 INFO L93 Difference]: Finished difference Result 1822 states and 3333 transitions. [2022-02-09 02:01:08,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:08,657 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 [2022-02-09 02:01:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:08,659 INFO L225 Difference]: With dead ends: 1822 [2022-02-09 02:01:08,660 INFO L226 Difference]: Without dead ends: 1822 [2022-02-09 02:01:08,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:08,660 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 192 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:08,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 426 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-02-09 02:01:08,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1528. [2022-02-09 02:01:08,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1521 states have (on average 1.8625904010519394) internal successors, (2833), 1527 states have internal predecessors, (2833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2833 transitions. [2022-02-09 02:01:08,673 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2833 transitions. Word has length 115 [2022-02-09 02:01:08,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:08,673 INFO L470 AbstractCegarLoop]: Abstraction has 1528 states and 2833 transitions. [2022-02-09 02:01:08,673 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) [2022-02-09 02:01:08,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2833 transitions. [2022-02-09 02:01:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:08,674 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:08,674 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:08,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-02-09 02:01:08,674 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:08,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:08,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1152155204, now seen corresponding path program 12 times [2022-02-09 02:01:08,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:08,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184542610] [2022-02-09 02:01:08,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:08,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:09,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:09,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184542610] [2022-02-09 02:01:09,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184542610] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:09,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:09,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:09,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785484012] [2022-02-09 02:01:09,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:09,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:09,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:09,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:09,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:09,349 INFO L87 Difference]: Start difference. First operand 1528 states and 2833 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) [2022-02-09 02:01:09,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:09,880 INFO L93 Difference]: Finished difference Result 1791 states and 3280 transitions. [2022-02-09 02:01:09,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:09,881 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 [2022-02-09 02:01:09,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:09,883 INFO L225 Difference]: With dead ends: 1791 [2022-02-09 02:01:09,883 INFO L226 Difference]: Without dead ends: 1791 [2022-02-09 02:01:09,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:09,883 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 193 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:09,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 429 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:09,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2022-02-09 02:01:09,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1523. [2022-02-09 02:01:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1516 states have (on average 1.8621372031662269) internal successors, (2823), 1522 states have internal predecessors, (2823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2823 transitions. [2022-02-09 02:01:09,896 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2823 transitions. Word has length 115 [2022-02-09 02:01:09,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:09,896 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 2823 transitions. [2022-02-09 02:01:09,896 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) [2022-02-09 02:01:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2823 transitions. [2022-02-09 02:01:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:09,898 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:09,898 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:09,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-02-09 02:01:09,898 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:09,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash 182468356, now seen corresponding path program 13 times [2022-02-09 02:01:09,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:09,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17811440] [2022-02-09 02:01:09,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:09,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:10,446 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:10,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17811440] [2022-02-09 02:01:10,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17811440] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:10,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:10,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-02-09 02:01:10,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515523208] [2022-02-09 02:01:10,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:10,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-09 02:01:10,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:10,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-09 02:01:10,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2022-02-09 02:01:10,447 INFO L87 Difference]: Start difference. First operand 1523 states and 2823 transitions. Second operand has 20 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:11,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:11,774 INFO L93 Difference]: Finished difference Result 2486 states and 4619 transitions. [2022-02-09 02:01:11,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 02:01:11,774 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have 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 [2022-02-09 02:01:11,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:11,777 INFO L225 Difference]: With dead ends: 2486 [2022-02-09 02:01:11,777 INFO L226 Difference]: Without dead ends: 2486 [2022-02-09 02:01:11,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=336, Invalid=1386, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 02:01:11,778 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 641 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:11,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 1375 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 02:01:11,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2022-02-09 02:01:11,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 1635. [2022-02-09 02:01:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1628 states have (on average 1.8716216216216217) internal successors, (3047), 1634 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 3047 transitions. [2022-02-09 02:01:11,796 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 3047 transitions. Word has length 115 [2022-02-09 02:01:11,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:11,796 INFO L470 AbstractCegarLoop]: Abstraction has 1635 states and 3047 transitions. [2022-02-09 02:01:11,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 3047 transitions. [2022-02-09 02:01:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:11,797 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:11,797 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:11,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-02-09 02:01:11,797 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:11,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:11,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1825911722, now seen corresponding path program 14 times [2022-02-09 02:01:11,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:11,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377522178] [2022-02-09 02:01:11,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:11,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:12,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:12,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377522178] [2022-02-09 02:01:12,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377522178] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:12,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:12,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:12,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073420287] [2022-02-09 02:01:12,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:12,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:12,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:12,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:12,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:12,121 INFO L87 Difference]: Start difference. First operand 1635 states and 3047 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) [2022-02-09 02:01:12,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:12,472 INFO L93 Difference]: Finished difference Result 1786 states and 3321 transitions. [2022-02-09 02:01:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:12,472 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 [2022-02-09 02:01:12,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:12,474 INFO L225 Difference]: With dead ends: 1786 [2022-02-09 02:01:12,474 INFO L226 Difference]: Without dead ends: 1786 [2022-02-09 02:01:12,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:01:12,475 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 112 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:12,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 448 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:01:12,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2022-02-09 02:01:12,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1530. [2022-02-09 02:01:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1530 states, 1523 states have (on average 1.8627708470124753) internal successors, (2837), 1529 states have internal predecessors, (2837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:12,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 2837 transitions. [2022-02-09 02:01:12,488 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 2837 transitions. Word has length 115 [2022-02-09 02:01:12,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:12,488 INFO L470 AbstractCegarLoop]: Abstraction has 1530 states and 2837 transitions. [2022-02-09 02:01:12,488 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) [2022-02-09 02:01:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 2837 transitions. [2022-02-09 02:01:12,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:12,489 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:12,489 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:12,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-02-09 02:01:12,489 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:12,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2120522406, now seen corresponding path program 15 times [2022-02-09 02:01:12,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:12,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553793742] [2022-02-09 02:01:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:12,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:12,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:12,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553793742] [2022-02-09 02:01:12,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553793742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:12,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:12,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:12,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725676299] [2022-02-09 02:01:12,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:12,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:12,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:12,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:12,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:12,863 INFO L87 Difference]: Start difference. First operand 1530 states and 2837 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) [2022-02-09 02:01:13,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:13,258 INFO L93 Difference]: Finished difference Result 1663 states and 3075 transitions. [2022-02-09 02:01:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:13,258 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 [2022-02-09 02:01:13,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:13,260 INFO L225 Difference]: With dead ends: 1663 [2022-02-09 02:01:13,260 INFO L226 Difference]: Without dead ends: 1663 [2022-02-09 02:01:13,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:01:13,260 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 106 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:13,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 540 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:13,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2022-02-09 02:01:13,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1512. [2022-02-09 02:01:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1505 states have (on average 1.8611295681063122) internal successors, (2801), 1511 states have internal predecessors, (2801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2801 transitions. [2022-02-09 02:01:13,274 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2801 transitions. Word has length 115 [2022-02-09 02:01:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:13,274 INFO L470 AbstractCegarLoop]: Abstraction has 1512 states and 2801 transitions. [2022-02-09 02:01:13,274 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) [2022-02-09 02:01:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2801 transitions. [2022-02-09 02:01:13,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:13,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:13,276 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:13,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-02-09 02:01:13,276 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:13,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1489953164, now seen corresponding path program 16 times [2022-02-09 02:01:13,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:13,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128056330] [2022-02-09 02:01:13,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:13,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:13,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:13,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128056330] [2022-02-09 02:01:13,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128056330] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:13,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:13,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:13,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903498314] [2022-02-09 02:01:13,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:13,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:13,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:13,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:13,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:13,732 INFO L87 Difference]: Start difference. First operand 1512 states and 2801 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) [2022-02-09 02:01:14,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:14,275 INFO L93 Difference]: Finished difference Result 1734 states and 3198 transitions. [2022-02-09 02:01:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:01:14,276 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 [2022-02-09 02:01:14,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:14,278 INFO L225 Difference]: With dead ends: 1734 [2022-02-09 02:01:14,278 INFO L226 Difference]: Without dead ends: 1734 [2022-02-09 02:01:14,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:14,278 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 123 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:14,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 608 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:14,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-02-09 02:01:14,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1513. [2022-02-09 02:01:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1506 states have (on average 1.8612217795484727) internal successors, (2803), 1512 states have internal predecessors, (2803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2803 transitions. [2022-02-09 02:01:14,292 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2803 transitions. Word has length 115 [2022-02-09 02:01:14,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:14,292 INFO L470 AbstractCegarLoop]: Abstraction has 1513 states and 2803 transitions. [2022-02-09 02:01:14,292 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) [2022-02-09 02:01:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2803 transitions. [2022-02-09 02:01:14,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:14,293 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:14,293 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:14,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-02-09 02:01:14,293 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:14,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:14,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2003241076, now seen corresponding path program 17 times [2022-02-09 02:01:14,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:14,294 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184216893] [2022-02-09 02:01:14,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:14,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:14,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:14,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184216893] [2022-02-09 02:01:14,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184216893] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:14,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:14,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:14,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495174401] [2022-02-09 02:01:14,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:14,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:14,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:14,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:14,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:14,923 INFO L87 Difference]: Start difference. First operand 1513 states and 2803 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) [2022-02-09 02:01:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:15,540 INFO L93 Difference]: Finished difference Result 1704 states and 3138 transitions. [2022-02-09 02:01:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:01:15,540 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 [2022-02-09 02:01:15,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:15,542 INFO L225 Difference]: With dead ends: 1704 [2022-02-09 02:01:15,542 INFO L226 Difference]: Without dead ends: 1704 [2022-02-09 02:01:15,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-09 02:01:15,542 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 126 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:15,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 527 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:15,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2022-02-09 02:01:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1514. [2022-02-09 02:01:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1507 states have (on average 1.8613138686131387) internal successors, (2805), 1513 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 2805 transitions. [2022-02-09 02:01:15,555 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 2805 transitions. Word has length 115 [2022-02-09 02:01:15,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:15,555 INFO L470 AbstractCegarLoop]: Abstraction has 1514 states and 2805 transitions. [2022-02-09 02:01:15,555 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) [2022-02-09 02:01:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 2805 transitions. [2022-02-09 02:01:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:15,556 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:15,556 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:15,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-02-09 02:01:15,556 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:15,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:15,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1179682702, now seen corresponding path program 18 times [2022-02-09 02:01:15,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:15,557 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282412342] [2022-02-09 02:01:15,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:15,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:16,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:16,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282412342] [2022-02-09 02:01:16,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282412342] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:16,286 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:16,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:16,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607016811] [2022-02-09 02:01:16,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:16,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:16,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:16,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:16,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:16,287 INFO L87 Difference]: Start difference. First operand 1514 states and 2805 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) [2022-02-09 02:01:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:17,716 INFO L93 Difference]: Finished difference Result 1884 states and 3466 transitions. [2022-02-09 02:01:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 02:01:17,717 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 [2022-02-09 02:01:17,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:17,719 INFO L225 Difference]: With dead ends: 1884 [2022-02-09 02:01:17,719 INFO L226 Difference]: Without dead ends: 1884 [2022-02-09 02:01:17,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=400, Invalid=1406, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 02:01:17,720 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 716 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:17,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [716 Valid, 1437 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 02:01:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2022-02-09 02:01:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1511. [2022-02-09 02:01:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1504 states have (on average 1.8610372340425532) internal successors, (2799), 1510 states have internal predecessors, (2799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2799 transitions. [2022-02-09 02:01:17,733 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2799 transitions. Word has length 115 [2022-02-09 02:01:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:17,733 INFO L470 AbstractCegarLoop]: Abstraction has 1511 states and 2799 transitions. [2022-02-09 02:01:17,733 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) [2022-02-09 02:01:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2799 transitions. [2022-02-09 02:01:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:17,734 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:17,734 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:17,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-02-09 02:01:17,735 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:17,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:17,735 INFO L85 PathProgramCache]: Analyzing trace with hash 2131155892, now seen corresponding path program 19 times [2022-02-09 02:01:17,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:17,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555895401] [2022-02-09 02:01:17,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:17,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:18,241 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:18,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555895401] [2022-02-09 02:01:18,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555895401] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:18,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:18,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:18,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424342171] [2022-02-09 02:01:18,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:18,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:18,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:18,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:18,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:18,242 INFO L87 Difference]: Start difference. First operand 1511 states and 2799 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) [2022-02-09 02:01:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:19,344 INFO L93 Difference]: Finished difference Result 1817 states and 3351 transitions. [2022-02-09 02:01:19,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 02:01:19,344 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 [2022-02-09 02:01:19,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:19,346 INFO L225 Difference]: With dead ends: 1817 [2022-02-09 02:01:19,346 INFO L226 Difference]: Without dead ends: 1817 [2022-02-09 02:01:19,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-02-09 02:01:19,347 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 729 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:19,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [729 Valid, 1589 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 02:01:19,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2022-02-09 02:01:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1502. [2022-02-09 02:01:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1502 states, 1495 states have (on average 1.860200668896321) internal successors, (2781), 1501 states have internal predecessors, (2781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 2781 transitions. [2022-02-09 02:01:19,360 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 2781 transitions. Word has length 115 [2022-02-09 02:01:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:19,360 INFO L470 AbstractCegarLoop]: Abstraction has 1502 states and 2781 transitions. [2022-02-09 02:01:19,361 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) [2022-02-09 02:01:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2781 transitions. [2022-02-09 02:01:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:19,362 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:19,362 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:19,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-02-09 02:01:19,362 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:19,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:19,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1362038348, now seen corresponding path program 20 times [2022-02-09 02:01:19,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:19,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032333668] [2022-02-09 02:01:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:19,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:19,915 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:19,915 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032333668] [2022-02-09 02:01:19,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032333668] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:19,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:19,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:19,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915043102] [2022-02-09 02:01:19,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:19,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:19,915 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:19,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:19,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:19,916 INFO L87 Difference]: Start difference. First operand 1502 states and 2781 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) [2022-02-09 02:01:20,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:20,577 INFO L93 Difference]: Finished difference Result 1687 states and 3104 transitions. [2022-02-09 02:01:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:01:20,578 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 [2022-02-09 02:01:20,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:20,580 INFO L225 Difference]: With dead ends: 1687 [2022-02-09 02:01:20,580 INFO L226 Difference]: Without dead ends: 1687 [2022-02-09 02:01:20,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-02-09 02:01:20,580 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 140 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:20,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 626 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:20,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2022-02-09 02:01:20,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1503. [2022-02-09 02:01:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1496 states have (on average 1.8602941176470589) internal successors, (2783), 1502 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) [2022-02-09 02:01:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2783 transitions. [2022-02-09 02:01:20,592 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2783 transitions. Word has length 115 [2022-02-09 02:01:20,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:20,592 INFO L470 AbstractCegarLoop]: Abstraction has 1503 states and 2783 transitions. [2022-02-09 02:01:20,592 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) [2022-02-09 02:01:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2783 transitions. [2022-02-09 02:01:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:20,594 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:20,594 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:20,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-02-09 02:01:20,594 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:20,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:20,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1820885430, now seen corresponding path program 21 times [2022-02-09 02:01:20,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:20,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320466080] [2022-02-09 02:01:20,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:20,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:21,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:21,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320466080] [2022-02-09 02:01:21,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320466080] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:21,244 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:21,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:21,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348921967] [2022-02-09 02:01:21,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:21,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:21,245 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:21,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:21,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:21,245 INFO L87 Difference]: Start difference. First operand 1503 states and 2783 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) [2022-02-09 02:01:22,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:22,707 INFO L93 Difference]: Finished difference Result 1867 states and 3432 transitions. [2022-02-09 02:01:22,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 02:01:22,707 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 [2022-02-09 02:01:22,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:22,710 INFO L225 Difference]: With dead ends: 1867 [2022-02-09 02:01:22,710 INFO L226 Difference]: Without dead ends: 1867 [2022-02-09 02:01:22,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=441, Invalid=1539, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 02:01:22,711 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 657 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:22,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [657 Valid, 1398 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 02:01:22,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2022-02-09 02:01:22,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1501. [2022-02-09 02:01:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1494 states have (on average 1.8601070950468541) internal successors, (2779), 1500 states have internal predecessors, (2779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2779 transitions. [2022-02-09 02:01:22,724 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2779 transitions. Word has length 115 [2022-02-09 02:01:22,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:22,724 INFO L470 AbstractCegarLoop]: Abstraction has 1501 states and 2779 transitions. [2022-02-09 02:01:22,724 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) [2022-02-09 02:01:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2779 transitions. [2022-02-09 02:01:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:22,725 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:22,726 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:22,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-02-09 02:01:22,726 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:22,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:22,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2088934690, now seen corresponding path program 22 times [2022-02-09 02:01:22,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:22,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397765303] [2022-02-09 02:01:22,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:22,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:23,232 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:23,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397765303] [2022-02-09 02:01:23,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397765303] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:23,232 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:23,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:23,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776110844] [2022-02-09 02:01:23,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:23,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:23,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:23,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:23,233 INFO L87 Difference]: Start difference. First operand 1501 states and 2779 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) [2022-02-09 02:01:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:24,139 INFO L93 Difference]: Finished difference Result 1762 states and 3250 transitions. [2022-02-09 02:01:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 02:01:24,139 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 [2022-02-09 02:01:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:24,141 INFO L225 Difference]: With dead ends: 1762 [2022-02-09 02:01:24,141 INFO L226 Difference]: Without dead ends: 1762 [2022-02-09 02:01:24,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2022-02-09 02:01:24,142 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 682 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:24,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 1540 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:01:24,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2022-02-09 02:01:24,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1501. [2022-02-09 02:01:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1494 states have (on average 1.8601070950468541) internal successors, (2779), 1500 states have internal predecessors, (2779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2779 transitions. [2022-02-09 02:01:24,155 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2779 transitions. Word has length 115 [2022-02-09 02:01:24,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:24,155 INFO L470 AbstractCegarLoop]: Abstraction has 1501 states and 2779 transitions. [2022-02-09 02:01:24,155 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) [2022-02-09 02:01:24,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2779 transitions. [2022-02-09 02:01:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:24,157 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:24,157 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:24,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-02-09 02:01:24,157 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:24,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:24,157 INFO L85 PathProgramCache]: Analyzing trace with hash 49289922, now seen corresponding path program 23 times [2022-02-09 02:01:24,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:24,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54888506] [2022-02-09 02:01:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:24,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:24,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:24,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54888506] [2022-02-09 02:01:24,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54888506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:24,739 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:24,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:24,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196165512] [2022-02-09 02:01:24,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:24,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:24,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:24,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:24,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:24,740 INFO L87 Difference]: Start difference. First operand 1501 states and 2779 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) [2022-02-09 02:01:26,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:26,279 INFO L93 Difference]: Finished difference Result 1814 states and 3335 transitions. [2022-02-09 02:01:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 02:01:26,279 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 [2022-02-09 02:01:26,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:26,281 INFO L225 Difference]: With dead ends: 1814 [2022-02-09 02:01:26,281 INFO L226 Difference]: Without dead ends: 1814 [2022-02-09 02:01:26,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=437, Invalid=1543, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 02:01:26,282 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 702 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:26,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 1724 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 02:01:26,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2022-02-09 02:01:26,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1502. [2022-02-09 02:01:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1502 states, 1495 states have (on average 1.860200668896321) internal successors, (2781), 1501 states have internal predecessors, (2781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 2781 transitions. [2022-02-09 02:01:26,294 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 2781 transitions. Word has length 115 [2022-02-09 02:01:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:26,294 INFO L470 AbstractCegarLoop]: Abstraction has 1502 states and 2781 transitions. [2022-02-09 02:01:26,294 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) [2022-02-09 02:01:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2781 transitions. [2022-02-09 02:01:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:26,296 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:26,296 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:26,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-02-09 02:01:26,296 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:26,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:26,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1062753596, now seen corresponding path program 24 times [2022-02-09 02:01:26,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:26,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131285343] [2022-02-09 02:01:26,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:26,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:26,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:26,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131285343] [2022-02-09 02:01:26,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131285343] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:26,719 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:26,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:26,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910762548] [2022-02-09 02:01:26,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:26,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:26,719 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:26,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:26,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:26,720 INFO L87 Difference]: Start difference. First operand 1502 states and 2781 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) [2022-02-09 02:01:27,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:27,226 INFO L93 Difference]: Finished difference Result 1620 states and 2989 transitions. [2022-02-09 02:01:27,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:27,226 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 [2022-02-09 02:01:27,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:27,228 INFO L225 Difference]: With dead ends: 1620 [2022-02-09 02:01:27,228 INFO L226 Difference]: Without dead ends: 1620 [2022-02-09 02:01:27,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:01:27,228 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 155 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:27,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 787 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:27,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-02-09 02:01:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1501. [2022-02-09 02:01:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1494 states have (on average 1.8601070950468541) internal successors, (2779), 1500 states have internal predecessors, (2779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2779 transitions. [2022-02-09 02:01:27,241 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2779 transitions. Word has length 115 [2022-02-09 02:01:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:27,242 INFO L470 AbstractCegarLoop]: Abstraction has 1501 states and 2779 transitions. [2022-02-09 02:01:27,242 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) [2022-02-09 02:01:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2779 transitions. [2022-02-09 02:01:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:27,243 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:27,243 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:27,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-02-09 02:01:27,243 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:27,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:27,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1384961470, now seen corresponding path program 2 times [2022-02-09 02:01:27,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:27,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720043094] [2022-02-09 02:01:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:27,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:27,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:27,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720043094] [2022-02-09 02:01:27,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720043094] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:27,730 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:27,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:27,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356851985] [2022-02-09 02:01:27,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:27,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:27,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:27,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:27,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:27,731 INFO L87 Difference]: Start difference. First operand 1501 states and 2779 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) [2022-02-09 02:01:28,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:28,235 INFO L93 Difference]: Finished difference Result 1816 states and 3311 transitions. [2022-02-09 02:01:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:01:28,235 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 [2022-02-09 02:01:28,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:28,247 INFO L225 Difference]: With dead ends: 1816 [2022-02-09 02:01:28,247 INFO L226 Difference]: Without dead ends: 1816 [2022-02-09 02:01:28,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:01:28,247 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 239 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:28,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 680 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:28,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2022-02-09 02:01:28,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1477. [2022-02-09 02:01:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1470 states have (on average 1.8578231292517007) internal successors, (2731), 1476 states have internal predecessors, (2731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2731 transitions. [2022-02-09 02:01:28,259 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2731 transitions. Word has length 115 [2022-02-09 02:01:28,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:28,259 INFO L470 AbstractCegarLoop]: Abstraction has 1477 states and 2731 transitions. [2022-02-09 02:01:28,259 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) [2022-02-09 02:01:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2731 transitions. [2022-02-09 02:01:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:28,260 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:28,261 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:28,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-02-09 02:01:28,261 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:28,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:28,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1293879257, now seen corresponding path program 6 times [2022-02-09 02:01:28,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:28,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835439608] [2022-02-09 02:01:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:28,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:28,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:28,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835439608] [2022-02-09 02:01:28,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835439608] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:28,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:28,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:28,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567239056] [2022-02-09 02:01:28,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:28,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:28,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:28,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:28,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:28,443 INFO L87 Difference]: Start difference. First operand 1477 states and 2731 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) [2022-02-09 02:01:28,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:28,815 INFO L93 Difference]: Finished difference Result 1876 states and 3426 transitions. [2022-02-09 02:01:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:28,815 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 [2022-02-09 02:01:28,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:28,818 INFO L225 Difference]: With dead ends: 1876 [2022-02-09 02:01:28,818 INFO L226 Difference]: Without dead ends: 1876 [2022-02-09 02:01:28,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:01:28,818 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 223 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:28,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 505 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2022-02-09 02:01:28,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1478. [2022-02-09 02:01:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1471 states have (on average 1.857919782460911) internal successors, (2733), 1477 states have internal predecessors, (2733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2733 transitions. [2022-02-09 02:01:28,832 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2733 transitions. Word has length 115 [2022-02-09 02:01:28,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:28,832 INFO L470 AbstractCegarLoop]: Abstraction has 1478 states and 2733 transitions. [2022-02-09 02:01:28,832 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) [2022-02-09 02:01:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2733 transitions. [2022-02-09 02:01:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:28,833 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:28,833 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:28,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-02-09 02:01:28,833 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1293848567, now seen corresponding path program 7 times [2022-02-09 02:01:28,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:28,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223167712] [2022-02-09 02:01:28,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:28,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:29,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:29,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223167712] [2022-02-09 02:01:29,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223167712] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:29,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:29,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:29,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114879710] [2022-02-09 02:01:29,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:29,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:29,086 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:29,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:29,087 INFO L87 Difference]: Start difference. First operand 1478 states and 2733 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) [2022-02-09 02:01:29,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:29,436 INFO L93 Difference]: Finished difference Result 1848 states and 3371 transitions. [2022-02-09 02:01:29,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:29,436 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 [2022-02-09 02:01:29,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:29,438 INFO L225 Difference]: With dead ends: 1848 [2022-02-09 02:01:29,438 INFO L226 Difference]: Without dead ends: 1848 [2022-02-09 02:01:29,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:01:29,439 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 237 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:29,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 389 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:29,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2022-02-09 02:01:29,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1468. [2022-02-09 02:01:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1461 states have (on average 1.8569472963723477) internal successors, (2713), 1467 states have internal predecessors, (2713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2713 transitions. [2022-02-09 02:01:29,451 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2713 transitions. Word has length 115 [2022-02-09 02:01:29,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:29,451 INFO L470 AbstractCegarLoop]: Abstraction has 1468 states and 2713 transitions. [2022-02-09 02:01:29,451 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) [2022-02-09 02:01:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2713 transitions. [2022-02-09 02:01:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:29,452 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:29,453 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:29,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-02-09 02:01:29,453 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:29,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:29,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1867641571, now seen corresponding path program 8 times [2022-02-09 02:01:29,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:29,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845656095] [2022-02-09 02:01:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:29,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:29,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:29,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845656095] [2022-02-09 02:01:29,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845656095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:29,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:29,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:29,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388305047] [2022-02-09 02:01:29,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:29,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:29,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:29,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:29,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:29,803 INFO L87 Difference]: Start difference. First operand 1468 states and 2713 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) [2022-02-09 02:01:30,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:30,204 INFO L93 Difference]: Finished difference Result 1811 states and 3298 transitions. [2022-02-09 02:01:30,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:30,204 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 [2022-02-09 02:01:30,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:30,206 INFO L225 Difference]: With dead ends: 1811 [2022-02-09 02:01:30,206 INFO L226 Difference]: Without dead ends: 1811 [2022-02-09 02:01:30,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:01:30,207 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 217 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:30,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 457 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:30,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2022-02-09 02:01:30,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1455. [2022-02-09 02:01:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1455 states, 1448 states have (on average 1.8556629834254144) internal successors, (2687), 1454 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 2687 transitions. [2022-02-09 02:01:30,219 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 2687 transitions. Word has length 115 [2022-02-09 02:01:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:30,220 INFO L470 AbstractCegarLoop]: Abstraction has 1455 states and 2687 transitions. [2022-02-09 02:01:30,220 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) [2022-02-09 02:01:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 2687 transitions. [2022-02-09 02:01:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:30,221 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:30,221 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:30,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-02-09 02:01:30,221 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash 413002505, now seen corresponding path program 9 times [2022-02-09 02:01:30,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:30,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232631279] [2022-02-09 02:01:30,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:30,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:30,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:30,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232631279] [2022-02-09 02:01:30,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232631279] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:30,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:30,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:30,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806246440] [2022-02-09 02:01:30,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:30,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:30,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:30,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:30,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:30,645 INFO L87 Difference]: Start difference. First operand 1455 states and 2687 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) [2022-02-09 02:01:31,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:31,115 INFO L93 Difference]: Finished difference Result 1797 states and 3272 transitions. [2022-02-09 02:01:31,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:31,115 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 [2022-02-09 02:01:31,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:31,117 INFO L225 Difference]: With dead ends: 1797 [2022-02-09 02:01:31,117 INFO L226 Difference]: Without dead ends: 1797 [2022-02-09 02:01:31,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:01:31,118 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 208 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:31,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 499 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:31,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2022-02-09 02:01:31,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1438. [2022-02-09 02:01:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1431 states have (on average 1.8581411600279525) internal successors, (2659), 1437 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) [2022-02-09 02:01:31,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2659 transitions. [2022-02-09 02:01:31,130 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2659 transitions. Word has length 115 [2022-02-09 02:01:31,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:31,130 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2659 transitions. [2022-02-09 02:01:31,130 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) [2022-02-09 02:01:31,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2659 transitions. [2022-02-09 02:01:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:31,131 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:31,132 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:31,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-02-09 02:01:31,132 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:31,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1173619534, now seen corresponding path program 25 times [2022-02-09 02:01:31,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:31,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468038507] [2022-02-09 02:01:31,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:31,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:31,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:31,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468038507] [2022-02-09 02:01:31,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468038507] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:31,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:31,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:31,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293695354] [2022-02-09 02:01:31,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:31,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:31,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:31,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:31,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:31,377 INFO L87 Difference]: Start difference. First operand 1438 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) [2022-02-09 02:01:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:31,696 INFO L93 Difference]: Finished difference Result 1878 states and 3422 transitions. [2022-02-09 02:01:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:31,697 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 [2022-02-09 02:01:31,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:31,699 INFO L225 Difference]: With dead ends: 1878 [2022-02-09 02:01:31,699 INFO L226 Difference]: Without dead ends: 1878 [2022-02-09 02:01:31,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:31,699 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 245 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:31,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 377 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2022-02-09 02:01:31,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1418. [2022-02-09 02:01:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.8561304039688165) internal successors, (2619), 1417 states have internal predecessors, (2619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2619 transitions. [2022-02-09 02:01:31,712 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2619 transitions. Word has length 115 [2022-02-09 02:01:31,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:31,712 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2619 transitions. [2022-02-09 02:01:31,713 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) [2022-02-09 02:01:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2619 transitions. [2022-02-09 02:01:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:31,714 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:31,714 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:31,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-02-09 02:01:31,714 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:31,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:31,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1276121356, now seen corresponding path program 26 times [2022-02-09 02:01:31,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:31,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676821241] [2022-02-09 02:01:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:31,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:32,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:32,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676821241] [2022-02-09 02:01:32,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676821241] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:32,040 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:32,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:32,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21630004] [2022-02-09 02:01:32,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:32,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:32,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:32,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:32,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:32,041 INFO L87 Difference]: Start difference. First operand 1418 states and 2619 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) [2022-02-09 02:01:32,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:32,380 INFO L93 Difference]: Finished difference Result 1836 states and 3339 transitions. [2022-02-09 02:01:32,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:32,381 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 [2022-02-09 02:01:32,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:32,383 INFO L225 Difference]: With dead ends: 1836 [2022-02-09 02:01:32,383 INFO L226 Difference]: Without dead ends: 1836 [2022-02-09 02:01:32,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:32,383 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 223 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:32,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 424 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:32,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2022-02-09 02:01:32,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1390. [2022-02-09 02:01:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1383 states have (on average 1.8532176428054954) internal successors, (2563), 1389 states have internal predecessors, (2563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 2563 transitions. [2022-02-09 02:01:32,406 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 2563 transitions. Word has length 115 [2022-02-09 02:01:32,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:32,406 INFO L470 AbstractCegarLoop]: Abstraction has 1390 states and 2563 transitions. [2022-02-09 02:01:32,406 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) [2022-02-09 02:01:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 2563 transitions. [2022-02-09 02:01:32,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:32,407 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:32,407 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:32,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-02-09 02:01:32,407 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:32,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:32,408 INFO L85 PathProgramCache]: Analyzing trace with hash -838391602, now seen corresponding path program 27 times [2022-02-09 02:01:32,408 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:32,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657134721] [2022-02-09 02:01:32,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:32,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:32,914 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:32,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657134721] [2022-02-09 02:01:32,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657134721] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:32,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:32,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:01:32,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515810842] [2022-02-09 02:01:32,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:32,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:01:32,915 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:32,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:01:32,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:32,915 INFO L87 Difference]: Start difference. First operand 1390 states and 2563 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) [2022-02-09 02:01:33,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:33,826 INFO L93 Difference]: Finished difference Result 1822 states and 3313 transitions. [2022-02-09 02:01:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 02:01:33,827 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 [2022-02-09 02:01:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:33,829 INFO L225 Difference]: With dead ends: 1822 [2022-02-09 02:01:33,829 INFO L226 Difference]: Without dead ends: 1822 [2022-02-09 02:01:33,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:33,829 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 191 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:33,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 726 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 02:01:33,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-02-09 02:01:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1140. [2022-02-09 02:01:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.825242718446602) internal successors, (2068), 1139 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2068 transitions. [2022-02-09 02:01:33,840 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2068 transitions. Word has length 115 [2022-02-09 02:01:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:33,840 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2068 transitions. [2022-02-09 02:01:33,840 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) [2022-02-09 02:01:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2068 transitions. [2022-02-09 02:01:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:33,841 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:33,841 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:33,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-02-09 02:01:33,841 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:33,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:33,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1179708835, now seen corresponding path program 10 times [2022-02-09 02:01:33,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:33,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464128215] [2022-02-09 02:01:33,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:34,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:34,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464128215] [2022-02-09 02:01:34,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464128215] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:34,320 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:34,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:34,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744510969] [2022-02-09 02:01:34,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:34,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:34,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:34,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:34,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:34,321 INFO L87 Difference]: Start difference. First operand 1140 states and 2068 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) [2022-02-09 02:01:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:34,931 INFO L93 Difference]: Finished difference Result 1170 states and 2116 transitions. [2022-02-09 02:01:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:34,931 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 [2022-02-09 02:01:34,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:34,933 INFO L225 Difference]: With dead ends: 1170 [2022-02-09 02:01:34,933 INFO L226 Difference]: Without dead ends: 1170 [2022-02-09 02:01:34,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:01:34,933 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:34,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 420 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:34,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-02-09 02:01:34,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1140. [2022-02-09 02:01:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.825242718446602) internal successors, (2068), 1139 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:34,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2068 transitions. [2022-02-09 02:01:34,942 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2068 transitions. Word has length 115 [2022-02-09 02:01:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:34,942 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2068 transitions. [2022-02-09 02:01:34,942 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) [2022-02-09 02:01:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2068 transitions. [2022-02-09 02:01:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:34,943 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:34,943 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:34,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-02-09 02:01:34,943 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:34,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:34,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1813807177, now seen corresponding path program 11 times [2022-02-09 02:01:34,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:34,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077330096] [2022-02-09 02:01:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:34,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:35,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:35,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077330096] [2022-02-09 02:01:35,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077330096] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:35,415 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:35,415 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:35,415 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686383339] [2022-02-09 02:01:35,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:35,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:35,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:35,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:35,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:35,416 INFO L87 Difference]: Start difference. First operand 1140 states and 2068 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) [2022-02-09 02:01:35,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:35,945 INFO L93 Difference]: Finished difference Result 1194 states and 2158 transitions. [2022-02-09 02:01:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:35,945 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 [2022-02-09 02:01:35,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:35,946 INFO L225 Difference]: With dead ends: 1194 [2022-02-09 02:01:35,946 INFO L226 Difference]: Without dead ends: 1194 [2022-02-09 02:01:35,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:01:35,947 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 162 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:35,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 400 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:35,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-02-09 02:01:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1140. [2022-02-09 02:01:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.825242718446602) internal successors, (2068), 1139 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2068 transitions. [2022-02-09 02:01:35,956 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2068 transitions. Word has length 115 [2022-02-09 02:01:35,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:35,956 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2068 transitions. [2022-02-09 02:01:35,956 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) [2022-02-09 02:01:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2068 transitions. [2022-02-09 02:01:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:35,957 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:35,957 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:35,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-02-09 02:01:35,957 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:35,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:35,957 INFO L85 PathProgramCache]: Analyzing trace with hash 748683199, now seen corresponding path program 12 times [2022-02-09 02:01:35,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:35,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599563089] [2022-02-09 02:01:35,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:35,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:36,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:36,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599563089] [2022-02-09 02:01:36,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599563089] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:36,434 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:36,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:36,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245878869] [2022-02-09 02:01:36,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:36,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:36,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:36,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:36,434 INFO L87 Difference]: Start difference. First operand 1140 states and 2068 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) [2022-02-09 02:01:36,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:36,919 INFO L93 Difference]: Finished difference Result 1209 states and 2188 transitions. [2022-02-09 02:01:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:36,919 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 [2022-02-09 02:01:36,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:36,921 INFO L225 Difference]: With dead ends: 1209 [2022-02-09 02:01:36,921 INFO L226 Difference]: Without dead ends: 1209 [2022-02-09 02:01:36,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-09 02:01:36,921 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 151 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:36,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 399 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:36,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-02-09 02:01:36,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1140. [2022-02-09 02:01:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.825242718446602) internal successors, (2068), 1139 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2068 transitions. [2022-02-09 02:01:36,931 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2068 transitions. Word has length 115 [2022-02-09 02:01:36,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:36,931 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2068 transitions. [2022-02-09 02:01:36,931 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) [2022-02-09 02:01:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2068 transitions. [2022-02-09 02:01:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:36,932 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:36,932 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:36,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-02-09 02:01:36,932 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:36,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:36,933 INFO L85 PathProgramCache]: Analyzing trace with hash 192447189, now seen corresponding path program 13 times [2022-02-09 02:01:36,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:36,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43669719] [2022-02-09 02:01:36,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:36,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:37,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:37,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43669719] [2022-02-09 02:01:37,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43669719] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:37,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:37,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:37,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345176818] [2022-02-09 02:01:37,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:37,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:37,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:37,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:37,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:37,380 INFO L87 Difference]: Start difference. First operand 1140 states and 2068 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) [2022-02-09 02:01:37,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:37,765 INFO L93 Difference]: Finished difference Result 1192 states and 2160 transitions. [2022-02-09 02:01:37,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:37,765 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 [2022-02-09 02:01:37,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:37,767 INFO L225 Difference]: With dead ends: 1192 [2022-02-09 02:01:37,767 INFO L226 Difference]: Without dead ends: 1192 [2022-02-09 02:01:37,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:01:37,767 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 139 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:37,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 363 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:37,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2022-02-09 02:01:37,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1111. [2022-02-09 02:01:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1104 states have (on average 1.826086956521739) internal successors, (2016), 1110 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2016 transitions. [2022-02-09 02:01:37,776 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2016 transitions. Word has length 115 [2022-02-09 02:01:37,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:37,776 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2016 transitions. [2022-02-09 02:01:37,776 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) [2022-02-09 02:01:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2016 transitions. [2022-02-09 02:01:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:37,777 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:37,777 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:37,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-02-09 02:01:37,777 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:37,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:37,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1332858260, now seen corresponding path program 28 times [2022-02-09 02:01:37,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:37,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681025533] [2022-02-09 02:01:37,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:37,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:38,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:38,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681025533] [2022-02-09 02:01:38,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681025533] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:38,017 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:38,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:38,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858751498] [2022-02-09 02:01:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:38,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:38,018 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:38,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:38,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:38,018 INFO L87 Difference]: Start difference. First operand 1111 states and 2016 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) [2022-02-09 02:01:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:38,627 INFO L93 Difference]: Finished difference Result 1231 states and 2244 transitions. [2022-02-09 02:01:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 02:01:38,628 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 [2022-02-09 02:01:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:38,629 INFO L225 Difference]: With dead ends: 1231 [2022-02-09 02:01:38,629 INFO L226 Difference]: Without dead ends: 1231 [2022-02-09 02:01:38,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-02-09 02:01:38,629 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 257 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:38,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 665 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:38,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2022-02-09 02:01:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1113. [2022-02-09 02:01:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 1106 states have (on average 1.8264014466546112) internal successors, (2020), 1112 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) [2022-02-09 02:01:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 2020 transitions. [2022-02-09 02:01:38,638 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 2020 transitions. Word has length 115 [2022-02-09 02:01:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:38,639 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 2020 transitions. [2022-02-09 02:01:38,639 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) [2022-02-09 02:01:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2020 transitions. [2022-02-09 02:01:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:38,639 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:38,640 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:38,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-02-09 02:01:38,640 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:38,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:38,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1246401740, now seen corresponding path program 29 times [2022-02-09 02:01:38,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:38,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591545950] [2022-02-09 02:01:38,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:38,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:39,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:39,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591545950] [2022-02-09 02:01:39,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591545950] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:39,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:39,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:39,019 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962211319] [2022-02-09 02:01:39,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:39,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:39,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:39,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:39,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:39,019 INFO L87 Difference]: Start difference. First operand 1113 states and 2020 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) [2022-02-09 02:01:39,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:39,310 INFO L93 Difference]: Finished difference Result 1236 states and 2242 transitions. [2022-02-09 02:01:39,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:39,310 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 [2022-02-09 02:01:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:39,311 INFO L225 Difference]: With dead ends: 1236 [2022-02-09 02:01:39,311 INFO L226 Difference]: Without dead ends: 1236 [2022-02-09 02:01:39,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:39,312 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 175 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:39,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 358 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-02-09 02:01:39,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1117. [2022-02-09 02:01:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1110 states have (on average 1.827027027027027) internal successors, (2028), 1116 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:39,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 2028 transitions. [2022-02-09 02:01:39,321 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 2028 transitions. Word has length 115 [2022-02-09 02:01:39,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:39,321 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 2028 transitions. [2022-02-09 02:01:39,321 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) [2022-02-09 02:01:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2028 transitions. [2022-02-09 02:01:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:39,322 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:39,322 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:39,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-02-09 02:01:39,322 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:39,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1405122190, now seen corresponding path program 30 times [2022-02-09 02:01:39,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:39,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912489388] [2022-02-09 02:01:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:39,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:39,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:39,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912489388] [2022-02-09 02:01:39,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912489388] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:39,780 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:39,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:39,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904724798] [2022-02-09 02:01:39,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:39,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:39,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:39,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:39,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:39,781 INFO L87 Difference]: Start difference. First operand 1117 states and 2028 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) [2022-02-09 02:01:40,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:40,125 INFO L93 Difference]: Finished difference Result 1219 states and 2208 transitions. [2022-02-09 02:01:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:40,126 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 [2022-02-09 02:01:40,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:40,127 INFO L225 Difference]: With dead ends: 1219 [2022-02-09 02:01:40,127 INFO L226 Difference]: Without dead ends: 1219 [2022-02-09 02:01:40,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:40,128 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 159 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:40,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 356 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:40,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-02-09 02:01:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1120. [2022-02-09 02:01:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1113 states have (on average 1.8274932614555257) internal successors, (2034), 1119 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 2034 transitions. [2022-02-09 02:01:40,138 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 2034 transitions. Word has length 115 [2022-02-09 02:01:40,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:40,138 INFO L470 AbstractCegarLoop]: Abstraction has 1120 states and 2034 transitions. [2022-02-09 02:01:40,138 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) [2022-02-09 02:01:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 2034 transitions. [2022-02-09 02:01:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:40,139 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:40,139 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:40,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-02-09 02:01:40,139 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:40,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:40,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1110511506, now seen corresponding path program 31 times [2022-02-09 02:01:40,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:40,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998780312] [2022-02-09 02:01:40,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:40,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:40,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:40,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998780312] [2022-02-09 02:01:40,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998780312] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:40,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:40,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:40,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611899813] [2022-02-09 02:01:40,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:40,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:40,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:40,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:40,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:40,682 INFO L87 Difference]: Start difference. First operand 1120 states and 2034 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) [2022-02-09 02:01:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:41,095 INFO L93 Difference]: Finished difference Result 1213 states and 2196 transitions. [2022-02-09 02:01:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:41,095 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 [2022-02-09 02:01:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:41,097 INFO L225 Difference]: With dead ends: 1213 [2022-02-09 02:01:41,097 INFO L226 Difference]: Without dead ends: 1213 [2022-02-09 02:01:41,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:01:41,097 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 160 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:41,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 364 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:41,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2022-02-09 02:01:41,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1102. [2022-02-09 02:01:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 1095 states have (on average 1.8246575342465754) internal successors, (1998), 1101 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1998 transitions. [2022-02-09 02:01:41,107 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1998 transitions. Word has length 115 [2022-02-09 02:01:41,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:41,107 INFO L470 AbstractCegarLoop]: Abstraction has 1102 states and 1998 transitions. [2022-02-09 02:01:41,107 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) [2022-02-09 02:01:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1998 transitions. [2022-02-09 02:01:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:41,108 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:41,108 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:41,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-02-09 02:01:41,108 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:41,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:41,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1741080748, now seen corresponding path program 32 times [2022-02-09 02:01:41,109 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:41,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089234696] [2022-02-09 02:01:41,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:41,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:42,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:42,054 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089234696] [2022-02-09 02:01:42,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089234696] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:42,054 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:42,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:42,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897166983] [2022-02-09 02:01:42,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:42,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:42,055 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:42,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:42,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:42,055 INFO L87 Difference]: Start difference. First operand 1102 states and 1998 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) [2022-02-09 02:01:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:43,481 INFO L93 Difference]: Finished difference Result 1784 states and 3254 transitions. [2022-02-09 02:01:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 02:01:43,481 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 [2022-02-09 02:01:43,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:43,483 INFO L225 Difference]: With dead ends: 1784 [2022-02-09 02:01:43,483 INFO L226 Difference]: Without dead ends: 1784 [2022-02-09 02:01:43,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 02:01:43,484 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 809 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:43,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [809 Valid, 791 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 02:01:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2022-02-09 02:01:43,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1093. [2022-02-09 02:01:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 1086 states have (on average 1.8232044198895028) internal successors, (1980), 1092 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) [2022-02-09 02:01:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1980 transitions. [2022-02-09 02:01:43,495 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1980 transitions. Word has length 115 [2022-02-09 02:01:43,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:43,495 INFO L470 AbstractCegarLoop]: Abstraction has 1093 states and 1980 transitions. [2022-02-09 02:01:43,495 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) [2022-02-09 02:01:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1980 transitions. [2022-02-09 02:01:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:43,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:43,496 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:43,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-02-09 02:01:43,496 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:43,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:43,496 INFO L85 PathProgramCache]: Analyzing trace with hash -939307692, now seen corresponding path program 33 times [2022-02-09 02:01:43,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:43,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589067625] [2022-02-09 02:01:43,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:43,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:44,272 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:44,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589067625] [2022-02-09 02:01:44,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589067625] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:44,272 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:44,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:44,272 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471635417] [2022-02-09 02:01:44,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:44,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:44,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:44,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:44,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:44,273 INFO L87 Difference]: Start difference. First operand 1093 states and 1980 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) [2022-02-09 02:01:44,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:44,935 INFO L93 Difference]: Finished difference Result 1165 states and 2100 transitions. [2022-02-09 02:01:44,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:44,936 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 [2022-02-09 02:01:44,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:44,937 INFO L225 Difference]: With dead ends: 1165 [2022-02-09 02:01:44,937 INFO L226 Difference]: Without dead ends: 1165 [2022-02-09 02:01:44,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:01:44,938 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 173 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:44,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 419 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2022-02-09 02:01:44,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1092. [2022-02-09 02:01:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1085 states have (on average 1.823963133640553) internal successors, (1979), 1091 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) [2022-02-09 02:01:44,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1979 transitions. [2022-02-09 02:01:44,947 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1979 transitions. Word has length 115 [2022-02-09 02:01:44,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:44,948 INFO L470 AbstractCegarLoop]: Abstraction has 1092 states and 1979 transitions. [2022-02-09 02:01:44,948 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) [2022-02-09 02:01:44,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1979 transitions. [2022-02-09 02:01:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-09 02:01:44,949 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:44,949 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:44,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-02-09 02:01:44,949 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:44,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2051351210, now seen corresponding path program 34 times [2022-02-09 02:01:44,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:44,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062563285] [2022-02-09 02:01:44,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:44,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:46,062 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:46,062 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062563285] [2022-02-09 02:01:46,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062563285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:46,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:46,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-09 02:01:46,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688033093] [2022-02-09 02:01:46,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:46,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 02:01:46,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 02:01:46,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:46,063 INFO L87 Difference]: Start difference. First operand 1092 states and 1979 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) [2022-02-09 02:01:47,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:47,601 INFO L93 Difference]: Finished difference Result 1761 states and 3208 transitions. [2022-02-09 02:01:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 02:01:47,602 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 [2022-02-09 02:01:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:47,604 INFO L225 Difference]: With dead ends: 1761 [2022-02-09 02:01:47,604 INFO L226 Difference]: Without dead ends: 1761 [2022-02-09 02:01:47,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2022-02-09 02:01:47,604 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 751 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:47,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [751 Valid, 873 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 02:01:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-02-09 02:01:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1055. [2022-02-09 02:01:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 1048 states have (on average 1.8263358778625953) internal successors, (1914), 1054 states have internal predecessors, (1914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1914 transitions. [2022-02-09 02:01:47,614 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1914 transitions. Word has length 115 [2022-02-09 02:01:47,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:47,615 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1914 transitions. [2022-02-09 02:01:47,615 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) [2022-02-09 02:01:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1914 transitions. [2022-02-09 02:01:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:47,615 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:47,616 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:47,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-02-09 02:01:47,616 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:47,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:47,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1742353774, now seen corresponding path program 1 times [2022-02-09 02:01:47,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:47,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34158092] [2022-02-09 02:01:47,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:47,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:48,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:48,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34158092] [2022-02-09 02:01:48,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34158092] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:48,110 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:48,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:48,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6694603] [2022-02-09 02:01:48,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:48,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:48,110 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:48,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:48,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:48,111 INFO L87 Difference]: Start difference. First operand 1055 states and 1914 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) [2022-02-09 02:01:48,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:48,679 INFO L93 Difference]: Finished difference Result 1855 states and 3386 transitions. [2022-02-09 02:01:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:01:48,679 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 [2022-02-09 02:01:48,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:48,681 INFO L225 Difference]: With dead ends: 1855 [2022-02-09 02:01:48,681 INFO L226 Difference]: Without dead ends: 1827 [2022-02-09 02:01:48,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:48,682 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 253 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:48,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 687 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2022-02-09 02:01:48,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1109. [2022-02-09 02:01:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 1102 states have (on average 1.8348457350272231) internal successors, (2022), 1108 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2022 transitions. [2022-02-09 02:01:48,692 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2022 transitions. Word has length 116 [2022-02-09 02:01:48,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:48,692 INFO L470 AbstractCegarLoop]: Abstraction has 1109 states and 2022 transitions. [2022-02-09 02:01:48,692 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) [2022-02-09 02:01:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2022 transitions. [2022-02-09 02:01:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:48,693 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:48,693 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:48,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-02-09 02:01:48,693 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:48,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:48,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1786362070, now seen corresponding path program 1 times [2022-02-09 02:01:48,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:48,694 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651117997] [2022-02-09 02:01:48,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:48,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:48,933 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:48,933 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651117997] [2022-02-09 02:01:48,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651117997] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:48,933 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:48,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:48,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522402357] [2022-02-09 02:01:48,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:48,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:48,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:48,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:48,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:48,934 INFO L87 Difference]: Start difference. First operand 1109 states and 2022 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) [2022-02-09 02:01:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:49,398 INFO L93 Difference]: Finished difference Result 1981 states and 3581 transitions. [2022-02-09 02:01:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:01:49,399 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 [2022-02-09 02:01:49,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:49,401 INFO L225 Difference]: With dead ends: 1981 [2022-02-09 02:01:49,401 INFO L226 Difference]: Without dead ends: 1937 [2022-02-09 02:01:49,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:01:49,401 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 250 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:49,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 653 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1937 states. [2022-02-09 02:01:49,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1937 to 1418. [2022-02-09 02:01:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.8674698795180722) internal successors, (2635), 1417 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2635 transitions. [2022-02-09 02:01:49,415 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2635 transitions. Word has length 116 [2022-02-09 02:01:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:49,415 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2635 transitions. [2022-02-09 02:01:49,415 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) [2022-02-09 02:01:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2635 transitions. [2022-02-09 02:01:49,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:49,416 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:49,416 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:49,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-02-09 02:01:49,416 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:49,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1082142128, now seen corresponding path program 2 times [2022-02-09 02:01:49,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:49,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274683133] [2022-02-09 02:01:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:49,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:49,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:49,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274683133] [2022-02-09 02:01:49,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274683133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:49,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:49,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:49,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033156175] [2022-02-09 02:01:49,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:49,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:49,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:49,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:49,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:49,751 INFO L87 Difference]: Start difference. First operand 1418 states and 2635 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) [2022-02-09 02:01:50,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:50,196 INFO L93 Difference]: Finished difference Result 1885 states and 3412 transitions. [2022-02-09 02:01:50,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:01:50,196 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 [2022-02-09 02:01:50,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:50,199 INFO L225 Difference]: With dead ends: 1885 [2022-02-09 02:01:50,199 INFO L226 Difference]: Without dead ends: 1852 [2022-02-09 02:01:50,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:01:50,199 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 270 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:50,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 542 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:50,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2022-02-09 02:01:50,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1427. [2022-02-09 02:01:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1420 states have (on average 1.8676056338028169) internal successors, (2652), 1426 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2652 transitions. [2022-02-09 02:01:50,214 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2652 transitions. Word has length 116 [2022-02-09 02:01:50,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:50,214 INFO L470 AbstractCegarLoop]: Abstraction has 1427 states and 2652 transitions. [2022-02-09 02:01:50,214 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) [2022-02-09 02:01:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2652 transitions. [2022-02-09 02:01:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:50,215 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:50,216 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:50,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-02-09 02:01:50,216 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:50,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:50,216 INFO L85 PathProgramCache]: Analyzing trace with hash 304088598, now seen corresponding path program 3 times [2022-02-09 02:01:50,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:50,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29644977] [2022-02-09 02:01:50,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:50,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:50,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:50,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29644977] [2022-02-09 02:01:50,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29644977] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:50,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:50,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:50,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634596695] [2022-02-09 02:01:50,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:50,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:50,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:50,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:50,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:50,644 INFO L87 Difference]: Start difference. First operand 1427 states and 2652 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) [2022-02-09 02:01:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:51,089 INFO L93 Difference]: Finished difference Result 1740 states and 3149 transitions. [2022-02-09 02:01:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:01:51,089 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 [2022-02-09 02:01:51,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:51,091 INFO L225 Difference]: With dead ends: 1740 [2022-02-09 02:01:51,091 INFO L226 Difference]: Without dead ends: 1718 [2022-02-09 02:01:51,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:01:51,091 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 246 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:51,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 492 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:51,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2022-02-09 02:01:51,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1432. [2022-02-09 02:01:51,103 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) [2022-02-09 02:01:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-02-09 02:01:51,104 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 116 [2022-02-09 02:01:51,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:51,104 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-02-09 02:01:51,104 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) [2022-02-09 02:01:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-02-09 02:01:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:51,105 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:51,105 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:51,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-02-09 02:01:51,106 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:51,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1840049488, now seen corresponding path program 4 times [2022-02-09 02:01:51,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:51,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652556231] [2022-02-09 02:01:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:51,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:51,652 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:51,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652556231] [2022-02-09 02:01:51,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652556231] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:51,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:51,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:51,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261062708] [2022-02-09 02:01:51,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:51,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:51,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:51,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:51,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:51,653 INFO L87 Difference]: Start difference. First operand 1432 states and 2661 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) [2022-02-09 02:01:52,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:52,106 INFO L93 Difference]: Finished difference Result 1661 states and 3012 transitions. [2022-02-09 02:01:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:01:52,107 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 [2022-02-09 02:01:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:52,108 INFO L225 Difference]: With dead ends: 1661 [2022-02-09 02:01:52,108 INFO L226 Difference]: Without dead ends: 1619 [2022-02-09 02:01:52,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:01:52,109 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 224 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:52,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 423 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:52,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2022-02-09 02:01:52,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1406. [2022-02-09 02:01:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8620443173695498) internal successors, (2605), 1405 states have internal predecessors, (2605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2605 transitions. [2022-02-09 02:01:52,120 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2605 transitions. Word has length 116 [2022-02-09 02:01:52,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:52,120 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2605 transitions. [2022-02-09 02:01:52,120 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) [2022-02-09 02:01:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2605 transitions. [2022-02-09 02:01:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:52,121 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:52,121 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:52,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-02-09 02:01:52,121 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:52,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:52,122 INFO L85 PathProgramCache]: Analyzing trace with hash 906318758, now seen corresponding path program 1 times [2022-02-09 02:01:52,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:52,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806318374] [2022-02-09 02:01:52,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:52,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:53,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:53,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806318374] [2022-02-09 02:01:53,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806318374] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:53,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:53,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:01:53,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383253065] [2022-02-09 02:01:53,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:53,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:01:53,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:53,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:01:53,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:53,019 INFO L87 Difference]: Start difference. First operand 1406 states and 2605 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) [2022-02-09 02:01:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:53,644 INFO L93 Difference]: Finished difference Result 1594 states and 2907 transitions. [2022-02-09 02:01:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 02:01:53,644 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 [2022-02-09 02:01:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:53,646 INFO L225 Difference]: With dead ends: 1594 [2022-02-09 02:01:53,646 INFO L226 Difference]: Without dead ends: 1550 [2022-02-09 02:01:53,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:01:53,646 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 243 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:53,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 760 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:01:53,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-02-09 02:01:53,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1406. [2022-02-09 02:01:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8620443173695498) internal successors, (2605), 1405 states have internal predecessors, (2605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2605 transitions. [2022-02-09 02:01:53,658 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2605 transitions. Word has length 116 [2022-02-09 02:01:53,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:53,659 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2605 transitions. [2022-02-09 02:01:53,659 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) [2022-02-09 02:01:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2605 transitions. [2022-02-09 02:01:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:53,660 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:53,660 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:53,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-02-09 02:01:53,660 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:53,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:53,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1602431647, now seen corresponding path program 1 times [2022-02-09 02:01:53,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:53,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767227053] [2022-02-09 02:01:53,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:53,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:53,753 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:53,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767227053] [2022-02-09 02:01:53,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767227053] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:53,753 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:53,753 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 02:01:53,753 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867563000] [2022-02-09 02:01:53,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:53,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 02:01:53,754 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:53,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 02:01:53,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-09 02:01:53,754 INFO L87 Difference]: Start difference. First operand 1406 states and 2605 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) [2022-02-09 02:01:53,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:53,972 INFO L93 Difference]: Finished difference Result 1663 states and 3067 transitions. [2022-02-09 02:01:53,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:53,972 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 [2022-02-09 02:01:53,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:53,974 INFO L225 Difference]: With dead ends: 1663 [2022-02-09 02:01:53,974 INFO L226 Difference]: Without dead ends: 1631 [2022-02-09 02:01:53,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:53,975 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 203 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:53,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 434 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:01:53,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2022-02-09 02:01:53,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1451. [2022-02-09 02:01:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1444 states have (on average 1.8628808864265929) internal successors, (2690), 1450 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) [2022-02-09 02:01:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2690 transitions. [2022-02-09 02:01:53,987 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2690 transitions. Word has length 116 [2022-02-09 02:01:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:53,987 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2690 transitions. [2022-02-09 02:01:53,987 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) [2022-02-09 02:01:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2690 transitions. [2022-02-09 02:01:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:53,988 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:53,988 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:53,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-02-09 02:01:53,988 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:53,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1515051637, now seen corresponding path program 2 times [2022-02-09 02:01:53,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:53,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161445908] [2022-02-09 02:01:53,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:53,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:54,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:54,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161445908] [2022-02-09 02:01:54,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161445908] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:54,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:54,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:54,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133310386] [2022-02-09 02:01:54,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:54,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:54,266 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:54,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:54,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:54,267 INFO L87 Difference]: Start difference. First operand 1451 states and 2690 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) [2022-02-09 02:01:54,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:54,762 INFO L93 Difference]: Finished difference Result 2824 states and 5183 transitions. [2022-02-09 02:01:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 02:01:54,763 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 [2022-02-09 02:01:54,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:54,766 INFO L225 Difference]: With dead ends: 2824 [2022-02-09 02:01:54,766 INFO L226 Difference]: Without dead ends: 2772 [2022-02-09 02:01:54,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:01:54,766 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 230 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:54,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 499 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:54,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2022-02-09 02:01:54,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 1837. [2022-02-09 02:01:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1830 states have (on average 1.880327868852459) internal successors, (3441), 1836 states have internal predecessors, (3441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 3441 transitions. [2022-02-09 02:01:54,783 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 3441 transitions. Word has length 116 [2022-02-09 02:01:54,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:54,783 INFO L470 AbstractCegarLoop]: Abstraction has 1837 states and 3441 transitions. [2022-02-09 02:01:54,783 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) [2022-02-09 02:01:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 3441 transitions. [2022-02-09 02:01:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:54,785 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:54,785 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:54,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-02-09 02:01:54,785 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash 264244723, now seen corresponding path program 3 times [2022-02-09 02:01:54,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:54,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249817094] [2022-02-09 02:01:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:54,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:55,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:55,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249817094] [2022-02-09 02:01:55,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249817094] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:55,099 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:55,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:55,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271162843] [2022-02-09 02:01:55,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:55,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:55,099 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:55,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:55,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:55,100 INFO L87 Difference]: Start difference. First operand 1837 states and 3441 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) [2022-02-09 02:01:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:55,541 INFO L93 Difference]: Finished difference Result 2167 states and 3963 transitions. [2022-02-09 02:01:55,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:01:55,542 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 [2022-02-09 02:01:55,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:55,544 INFO L225 Difference]: With dead ends: 2167 [2022-02-09 02:01:55,544 INFO L226 Difference]: Without dead ends: 2078 [2022-02-09 02:01:55,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:01:55,545 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 208 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:55,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 544 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:01:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2022-02-09 02:01:55,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1451. [2022-02-09 02:01:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1444 states have (on average 1.8559556786703602) internal successors, (2680), 1450 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2680 transitions. [2022-02-09 02:01:55,557 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2680 transitions. Word has length 116 [2022-02-09 02:01:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:55,557 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2680 transitions. [2022-02-09 02:01:55,557 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) [2022-02-09 02:01:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2680 transitions. [2022-02-09 02:01:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:55,558 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:55,558 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:55,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-02-09 02:01:55,559 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:55,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:55,559 INFO L85 PathProgramCache]: Analyzing trace with hash -853166091, now seen corresponding path program 4 times [2022-02-09 02:01:55,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:55,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437968047] [2022-02-09 02:01:55,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:55,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:56,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:56,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437968047] [2022-02-09 02:01:56,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437968047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:56,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:56,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:01:56,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569406972] [2022-02-09 02:01:56,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:56,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:01:56,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:56,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:01:56,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:56,050 INFO L87 Difference]: Start difference. First operand 1451 states and 2680 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) [2022-02-09 02:01:56,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:56,779 INFO L93 Difference]: Finished difference Result 1675 states and 3014 transitions. [2022-02-09 02:01:56,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:01:56,780 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 [2022-02-09 02:01:56,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:56,781 INFO L225 Difference]: With dead ends: 1675 [2022-02-09 02:01:56,781 INFO L226 Difference]: Without dead ends: 1629 [2022-02-09 02:01:56,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2022-02-09 02:01:56,782 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 190 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:56,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 586 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:56,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2022-02-09 02:01:56,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1437. [2022-02-09 02:01:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1430 states have (on average 1.853846153846154) internal successors, (2651), 1436 states have internal predecessors, (2651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 2651 transitions. [2022-02-09 02:01:56,793 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 2651 transitions. Word has length 116 [2022-02-09 02:01:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:56,793 INFO L470 AbstractCegarLoop]: Abstraction has 1437 states and 2651 transitions. [2022-02-09 02:01:56,793 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) [2022-02-09 02:01:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2651 transitions. [2022-02-09 02:01:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:56,795 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:56,795 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:56,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-02-09 02:01:56,795 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:56,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:56,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1978558349, now seen corresponding path program 5 times [2022-02-09 02:01:56,795 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:56,795 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284116931] [2022-02-09 02:01:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:56,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:57,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:57,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284116931] [2022-02-09 02:01:57,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284116931] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:57,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:57,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:01:57,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968106558] [2022-02-09 02:01:57,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:57,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:01:57,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:57,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:01:57,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:01:57,469 INFO L87 Difference]: Start difference. First operand 1437 states and 2651 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) [2022-02-09 02:01:58,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:58,148 INFO L93 Difference]: Finished difference Result 1598 states and 2884 transitions. [2022-02-09 02:01:58,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:01:58,148 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 [2022-02-09 02:01:58,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:58,150 INFO L225 Difference]: With dead ends: 1598 [2022-02-09 02:01:58,150 INFO L226 Difference]: Without dead ends: 1346 [2022-02-09 02:01:58,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2022-02-09 02:01:58,150 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 204 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:58,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 648 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:58,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-02-09 02:01:58,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1223. [2022-02-09 02:01:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1216 states have (on average 1.8231907894736843) internal successors, (2217), 1222 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 2217 transitions. [2022-02-09 02:01:58,161 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 2217 transitions. Word has length 116 [2022-02-09 02:01:58,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:58,161 INFO L470 AbstractCegarLoop]: Abstraction has 1223 states and 2217 transitions. [2022-02-09 02:01:58,161 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) [2022-02-09 02:01:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 2217 transitions. [2022-02-09 02:01:58,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:58,162 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:58,162 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:58,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-02-09 02:01:58,164 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:58,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1361020946, now seen corresponding path program 2 times [2022-02-09 02:01:58,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:58,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415999922] [2022-02-09 02:01:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:58,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:59,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:59,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415999922] [2022-02-09 02:01:59,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415999922] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:01:59,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:01:59,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:01:59,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068828168] [2022-02-09 02:01:59,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:01:59,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:01:59,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:59,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:01:59,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:01:59,160 INFO L87 Difference]: Start difference. First operand 1223 states and 2217 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) [2022-02-09 02:01:59,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:59,744 INFO L93 Difference]: Finished difference Result 1350 states and 2409 transitions. [2022-02-09 02:01:59,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:01:59,745 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 [2022-02-09 02:01:59,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:59,746 INFO L225 Difference]: With dead ends: 1350 [2022-02-09 02:01:59,746 INFO L226 Difference]: Without dead ends: 1325 [2022-02-09 02:01:59,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:01:59,747 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 158 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:59,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 692 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:01:59,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-02-09 02:01:59,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1222. [2022-02-09 02:01:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 1215 states have (on average 1.8238683127572017) internal successors, (2216), 1221 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 2216 transitions. [2022-02-09 02:01:59,757 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 2216 transitions. Word has length 116 [2022-02-09 02:01:59,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:59,757 INFO L470 AbstractCegarLoop]: Abstraction has 1222 states and 2216 transitions. [2022-02-09 02:01:59,757 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) [2022-02-09 02:01:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 2216 transitions. [2022-02-09 02:01:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:01:59,758 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:59,758 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:59,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-02-09 02:01:59,758 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:01:59,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:59,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1954156579, now seen corresponding path program 6 times [2022-02-09 02:01:59,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:59,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493512315] [2022-02-09 02:01:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:59,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:00,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:00,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493512315] [2022-02-09 02:02:00,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493512315] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:00,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:00,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:00,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40713309] [2022-02-09 02:02:00,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:00,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:00,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:00,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:00,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:00,025 INFO L87 Difference]: Start difference. First operand 1222 states and 2216 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) [2022-02-09 02:02:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:00,683 INFO L93 Difference]: Finished difference Result 1512 states and 2684 transitions. [2022-02-09 02:02:00,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 02:02:00,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:00,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:00,685 INFO L225 Difference]: With dead ends: 1512 [2022-02-09 02:02:00,685 INFO L226 Difference]: Without dead ends: 1476 [2022-02-09 02:02:00,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-09 02:02:00,686 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 282 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:00,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 722 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2022-02-09 02:02:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1242. [2022-02-09 02:02:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 1235 states have (on average 1.8218623481781377) internal successors, (2250), 1241 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 2250 transitions. [2022-02-09 02:02:00,696 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 2250 transitions. Word has length 116 [2022-02-09 02:02:00,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:00,696 INFO L470 AbstractCegarLoop]: Abstraction has 1242 states and 2250 transitions. [2022-02-09 02:02:00,696 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) [2022-02-09 02:02:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 2250 transitions. [2022-02-09 02:02:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:00,697 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:00,697 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:00,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-02-09 02:02:00,697 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:00,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash -426721413, now seen corresponding path program 7 times [2022-02-09 02:02:00,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:00,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683557860] [2022-02-09 02:02:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:00,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:01,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:01,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683557860] [2022-02-09 02:02:01,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683557860] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:01,099 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:01,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:01,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183662800] [2022-02-09 02:02:01,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:01,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:01,099 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:01,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:01,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:01,100 INFO L87 Difference]: Start difference. First operand 1242 states and 2250 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) [2022-02-09 02:02:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:01,536 INFO L93 Difference]: Finished difference Result 1635 states and 2887 transitions. [2022-02-09 02:02:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:01,536 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 [2022-02-09 02:02:01,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:01,538 INFO L225 Difference]: With dead ends: 1635 [2022-02-09 02:02:01,538 INFO L226 Difference]: Without dead ends: 1601 [2022-02-09 02:02:01,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:01,539 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 203 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:01,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 522 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:01,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-02-09 02:02:01,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1277. [2022-02-09 02:02:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1270 states have (on average 1.8236220472440945) internal successors, (2316), 1276 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) [2022-02-09 02:02:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 2316 transitions. [2022-02-09 02:02:01,550 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 2316 transitions. Word has length 116 [2022-02-09 02:02:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:01,550 INFO L470 AbstractCegarLoop]: Abstraction has 1277 states and 2316 transitions. [2022-02-09 02:02:01,551 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) [2022-02-09 02:02:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 2316 transitions. [2022-02-09 02:02:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:01,552 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:01,552 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:01,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-02-09 02:02:01,552 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:01,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:01,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1019584619, now seen corresponding path program 8 times [2022-02-09 02:02:01,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:01,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470303244] [2022-02-09 02:02:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:01,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:02,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:02,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470303244] [2022-02-09 02:02:02,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470303244] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:02,046 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:02,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:02,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655790746] [2022-02-09 02:02:02,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:02,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:02,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:02,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:02,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:02,046 INFO L87 Difference]: Start difference. First operand 1277 states and 2316 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) [2022-02-09 02:02:02,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:02,493 INFO L93 Difference]: Finished difference Result 1563 states and 2764 transitions. [2022-02-09 02:02:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:02,493 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 [2022-02-09 02:02:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:02,495 INFO L225 Difference]: With dead ends: 1563 [2022-02-09 02:02:02,495 INFO L226 Difference]: Without dead ends: 1537 [2022-02-09 02:02:02,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:02,495 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 171 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:02,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 539 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2022-02-09 02:02:02,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1287. [2022-02-09 02:02:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 1280 states have (on average 1.82421875) internal successors, (2335), 1286 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 2335 transitions. [2022-02-09 02:02:02,506 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 2335 transitions. Word has length 116 [2022-02-09 02:02:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:02,506 INFO L470 AbstractCegarLoop]: Abstraction has 1287 states and 2335 transitions. [2022-02-09 02:02:02,506 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) [2022-02-09 02:02:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 2335 transitions. [2022-02-09 02:02:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:02,507 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:02,507 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:02,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-02-09 02:02:02,507 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:02,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:02,507 INFO L85 PathProgramCache]: Analyzing trace with hash -476588007, now seen corresponding path program 9 times [2022-02-09 02:02:02,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:02,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673785654] [2022-02-09 02:02:02,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:02,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:03,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:03,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673785654] [2022-02-09 02:02:03,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673785654] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:03,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:03,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:03,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401996825] [2022-02-09 02:02:03,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:03,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:03,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:03,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:03,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:03,058 INFO L87 Difference]: Start difference. First operand 1287 states and 2335 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) [2022-02-09 02:02:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:03,495 INFO L93 Difference]: Finished difference Result 1506 states and 2672 transitions. [2022-02-09 02:02:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:03,496 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 [2022-02-09 02:02:03,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:03,497 INFO L225 Difference]: With dead ends: 1506 [2022-02-09 02:02:03,497 INFO L226 Difference]: Without dead ends: 1431 [2022-02-09 02:02:03,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:03,498 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 159 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:03,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 523 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2022-02-09 02:02:03,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1243. [2022-02-09 02:02:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1236 states have (on average 1.8211974110032363) internal successors, (2251), 1242 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 2251 transitions. [2022-02-09 02:02:03,508 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 2251 transitions. Word has length 116 [2022-02-09 02:02:03,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:03,508 INFO L470 AbstractCegarLoop]: Abstraction has 1243 states and 2251 transitions. [2022-02-09 02:02:03,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 2251 transitions. [2022-02-09 02:02:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:03,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:03,509 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:03,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-02-09 02:02:03,510 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:03,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:03,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1450601971, now seen corresponding path program 10 times [2022-02-09 02:02:03,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:03,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723089029] [2022-02-09 02:02:03,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:03,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:04,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:04,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723089029] [2022-02-09 02:02:04,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723089029] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:04,141 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:04,141 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:04,141 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639882587] [2022-02-09 02:02:04,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:04,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:04,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:04,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:04,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:04,142 INFO L87 Difference]: Start difference. First operand 1243 states and 2251 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) [2022-02-09 02:02:04,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:04,630 INFO L93 Difference]: Finished difference Result 1481 states and 2631 transitions. [2022-02-09 02:02:04,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:04,631 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 [2022-02-09 02:02:04,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:04,632 INFO L225 Difference]: With dead ends: 1481 [2022-02-09 02:02:04,632 INFO L226 Difference]: Without dead ends: 1406 [2022-02-09 02:02:04,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:04,633 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 167 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:04,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 575 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2022-02-09 02:02:04,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1244. [2022-02-09 02:02:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1237 states have (on average 1.82053354890865) internal successors, (2252), 1243 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2252 transitions. [2022-02-09 02:02:04,643 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 2252 transitions. Word has length 116 [2022-02-09 02:02:04,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:04,643 INFO L470 AbstractCegarLoop]: Abstraction has 1244 states and 2252 transitions. [2022-02-09 02:02:04,643 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) [2022-02-09 02:02:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2252 transitions. [2022-02-09 02:02:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:04,644 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:04,644 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:04,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-02-09 02:02:04,644 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:04,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:04,645 INFO L85 PathProgramCache]: Analyzing trace with hash 535762931, now seen corresponding path program 11 times [2022-02-09 02:02:04,645 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:04,645 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730132986] [2022-02-09 02:02:04,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:04,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:05,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:05,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730132986] [2022-02-09 02:02:05,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730132986] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:05,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:05,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:05,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435839008] [2022-02-09 02:02:05,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:05,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:05,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:05,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:05,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:05,494 INFO L87 Difference]: Start difference. First operand 1244 states and 2252 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) [2022-02-09 02:02:05,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:05,988 INFO L93 Difference]: Finished difference Result 1422 states and 2520 transitions. [2022-02-09 02:02:05,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:05,989 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 [2022-02-09 02:02:05,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:05,990 INFO L225 Difference]: With dead ends: 1422 [2022-02-09 02:02:05,990 INFO L226 Difference]: Without dead ends: 1396 [2022-02-09 02:02:05,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:05,990 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 168 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:05,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 494 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2022-02-09 02:02:05,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1245. [2022-02-09 02:02:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1238 states have (on average 1.819870759289176) internal successors, (2253), 1244 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:06,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2253 transitions. [2022-02-09 02:02:06,000 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2253 transitions. Word has length 116 [2022-02-09 02:02:06,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:06,001 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2253 transitions. [2022-02-09 02:02:06,001 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) [2022-02-09 02:02:06,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2253 transitions. [2022-02-09 02:02:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:06,002 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:06,002 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:06,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-02-09 02:02:06,002 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:06,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:06,003 INFO L85 PathProgramCache]: Analyzing trace with hash 422152241, now seen corresponding path program 12 times [2022-02-09 02:02:06,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:06,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784114630] [2022-02-09 02:02:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:06,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:07,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:07,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784114630] [2022-02-09 02:02:07,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784114630] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:07,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:07,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:07,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031239948] [2022-02-09 02:02:07,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:07,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:07,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:07,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:07,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:07,115 INFO L87 Difference]: Start difference. First operand 1245 states and 2253 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) [2022-02-09 02:02:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:07,586 INFO L93 Difference]: Finished difference Result 1301 states and 2329 transitions. [2022-02-09 02:02:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:07,587 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 [2022-02-09 02:02:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:07,588 INFO L225 Difference]: With dead ends: 1301 [2022-02-09 02:02:07,588 INFO L226 Difference]: Without dead ends: 1276 [2022-02-09 02:02:07,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:02:07,601 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 86 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:07,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 509 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:07,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2022-02-09 02:02:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1248. [2022-02-09 02:02:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1241 states have (on average 1.8178887993553585) internal successors, (2256), 1247 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 2256 transitions. [2022-02-09 02:02:07,612 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 2256 transitions. Word has length 116 [2022-02-09 02:02:07,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:07,612 INFO L470 AbstractCegarLoop]: Abstraction has 1248 states and 2256 transitions. [2022-02-09 02:02:07,612 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) [2022-02-09 02:02:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 2256 transitions. [2022-02-09 02:02:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:07,613 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:07,613 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:07,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-02-09 02:02:07,614 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:07,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:07,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1666894665, now seen corresponding path program 13 times [2022-02-09 02:02:07,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:07,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841577538] [2022-02-09 02:02:07,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:07,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:08,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:08,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841577538] [2022-02-09 02:02:08,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841577538] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:08,349 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:08,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:08,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136335927] [2022-02-09 02:02:08,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:08,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:08,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:08,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:08,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:08,349 INFO L87 Difference]: Start difference. First operand 1248 states and 2256 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) [2022-02-09 02:02:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:08,817 INFO L93 Difference]: Finished difference Result 1386 states and 2469 transitions. [2022-02-09 02:02:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:08,818 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 [2022-02-09 02:02:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:08,819 INFO L225 Difference]: With dead ends: 1386 [2022-02-09 02:02:08,819 INFO L226 Difference]: Without dead ends: 1325 [2022-02-09 02:02:08,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:08,820 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 163 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:08,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 550 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:08,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-02-09 02:02:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1231. [2022-02-09 02:02:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1224 states have (on average 1.821078431372549) internal successors, (2229), 1230 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 2229 transitions. [2022-02-09 02:02:08,829 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 2229 transitions. Word has length 116 [2022-02-09 02:02:08,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:08,829 INFO L470 AbstractCegarLoop]: Abstraction has 1231 states and 2229 transitions. [2022-02-09 02:02:08,829 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) [2022-02-09 02:02:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2229 transitions. [2022-02-09 02:02:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:08,830 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:08,830 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:08,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-02-09 02:02:08,830 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:08,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1796470272, now seen corresponding path program 3 times [2022-02-09 02:02:08,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:08,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675253441] [2022-02-09 02:02:08,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:08,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:09,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:09,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675253441] [2022-02-09 02:02:09,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675253441] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:09,399 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:09,399 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:09,399 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401939875] [2022-02-09 02:02:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:09,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:09,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:09,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:09,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:09,400 INFO L87 Difference]: Start difference. First operand 1231 states and 2229 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) [2022-02-09 02:02:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:09,908 INFO L93 Difference]: Finished difference Result 1391 states and 2496 transitions. [2022-02-09 02:02:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:09,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:09,909 INFO L225 Difference]: With dead ends: 1391 [2022-02-09 02:02:09,909 INFO L226 Difference]: Without dead ends: 1291 [2022-02-09 02:02:09,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:02:09,910 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 198 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:09,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 616 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:09,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2022-02-09 02:02:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1213. [2022-02-09 02:02:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1206 states have (on average 1.8175787728026533) internal successors, (2192), 1212 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 2192 transitions. [2022-02-09 02:02:09,920 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 2192 transitions. Word has length 116 [2022-02-09 02:02:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:09,920 INFO L470 AbstractCegarLoop]: Abstraction has 1213 states and 2192 transitions. [2022-02-09 02:02:09,920 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) [2022-02-09 02:02:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 2192 transitions. [2022-02-09 02:02:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:09,921 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:09,921 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:09,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-02-09 02:02:09,921 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:09,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:09,921 INFO L85 PathProgramCache]: Analyzing trace with hash 175830382, now seen corresponding path program 4 times [2022-02-09 02:02:09,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:09,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847135186] [2022-02-09 02:02:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:09,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:10,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:10,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847135186] [2022-02-09 02:02:10,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847135186] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:10,658 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:10,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:10,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560962332] [2022-02-09 02:02:10,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:10,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:10,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:10,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:10,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:10,659 INFO L87 Difference]: Start difference. First operand 1213 states and 2192 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) [2022-02-09 02:02:11,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:11,176 INFO L93 Difference]: Finished difference Result 1415 states and 2522 transitions. [2022-02-09 02:02:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:11,176 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 [2022-02-09 02:02:11,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:11,177 INFO L225 Difference]: With dead ends: 1415 [2022-02-09 02:02:11,177 INFO L226 Difference]: Without dead ends: 1340 [2022-02-09 02:02:11,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:11,178 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 201 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:11,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 536 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2022-02-09 02:02:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1214. [2022-02-09 02:02:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1207 states have (on average 1.8169014084507042) internal successors, (2193), 1213 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:11,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2193 transitions. [2022-02-09 02:02:11,187 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2193 transitions. Word has length 116 [2022-02-09 02:02:11,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:11,188 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 2193 transitions. [2022-02-09 02:02:11,188 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) [2022-02-09 02:02:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2193 transitions. [2022-02-09 02:02:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:11,189 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:11,189 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:11,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-02-09 02:02:11,189 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:11,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:11,189 INFO L85 PathProgramCache]: Analyzing trace with hash -536862096, now seen corresponding path program 5 times [2022-02-09 02:02:11,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:11,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367682893] [2022-02-09 02:02:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:11,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:11,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:11,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367682893] [2022-02-09 02:02:11,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367682893] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:11,936 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:11,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:11,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753045033] [2022-02-09 02:02:11,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:11,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:11,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:11,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:11,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:11,937 INFO L87 Difference]: Start difference. First operand 1214 states and 2193 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) [2022-02-09 02:02:12,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:12,499 INFO L93 Difference]: Finished difference Result 1365 states and 2423 transitions. [2022-02-09 02:02:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:12,499 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 [2022-02-09 02:02:12,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:12,500 INFO L225 Difference]: With dead ends: 1365 [2022-02-09 02:02:12,500 INFO L226 Difference]: Without dead ends: 1315 [2022-02-09 02:02:12,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:12,501 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 155 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:12,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 680 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:12,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2022-02-09 02:02:12,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1215. [2022-02-09 02:02:12,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1208 states have (on average 1.8162251655629138) internal successors, (2194), 1214 states have internal predecessors, (2194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:12,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2194 transitions. [2022-02-09 02:02:12,511 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2194 transitions. Word has length 116 [2022-02-09 02:02:12,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:12,511 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 2194 transitions. [2022-02-09 02:02:12,511 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) [2022-02-09 02:02:12,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2194 transitions. [2022-02-09 02:02:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:12,512 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:12,512 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:12,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-02-09 02:02:12,512 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:12,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:12,512 INFO L85 PathProgramCache]: Analyzing trace with hash 566339014, now seen corresponding path program 6 times [2022-02-09 02:02:12,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:12,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482353719] [2022-02-09 02:02:12,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:12,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:13,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:13,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482353719] [2022-02-09 02:02:13,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482353719] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:13,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:13,380 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:13,380 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266691771] [2022-02-09 02:02:13,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:13,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:13,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:13,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:13,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:13,380 INFO L87 Difference]: Start difference. First operand 1215 states and 2194 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) [2022-02-09 02:02:13,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:13,992 INFO L93 Difference]: Finished difference Result 1307 states and 2334 transitions. [2022-02-09 02:02:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:13,992 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 [2022-02-09 02:02:13,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:13,994 INFO L225 Difference]: With dead ends: 1307 [2022-02-09 02:02:13,994 INFO L226 Difference]: Without dead ends: 1278 [2022-02-09 02:02:13,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:13,994 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 151 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:13,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 755 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:13,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-02-09 02:02:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1212. [2022-02-09 02:02:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1205 states have (on average 1.8174273858921162) internal successors, (2190), 1211 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 2190 transitions. [2022-02-09 02:02:14,003 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 2190 transitions. Word has length 116 [2022-02-09 02:02:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:14,003 INFO L470 AbstractCegarLoop]: Abstraction has 1212 states and 2190 transitions. [2022-02-09 02:02:14,003 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) [2022-02-09 02:02:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 2190 transitions. [2022-02-09 02:02:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:14,004 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:14,004 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:14,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-02-09 02:02:14,004 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:14,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash -17307294, now seen corresponding path program 7 times [2022-02-09 02:02:14,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:14,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089221666] [2022-02-09 02:02:14,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:14,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:14,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:14,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089221666] [2022-02-09 02:02:14,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089221666] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:14,614 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:14,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:14,614 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873183194] [2022-02-09 02:02:14,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:14,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:14,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:14,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:14,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:14,614 INFO L87 Difference]: Start difference. First operand 1212 states and 2190 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) [2022-02-09 02:02:15,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:15,084 INFO L93 Difference]: Finished difference Result 1340 states and 2395 transitions. [2022-02-09 02:02:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:15,084 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 [2022-02-09 02:02:15,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:15,085 INFO L225 Difference]: With dead ends: 1340 [2022-02-09 02:02:15,085 INFO L226 Difference]: Without dead ends: 1265 [2022-02-09 02:02:15,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:02:15,086 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 189 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:15,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 711 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:15,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2022-02-09 02:02:15,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1194. [2022-02-09 02:02:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1187 states have (on average 1.8138163437236732) internal successors, (2153), 1193 states have internal predecessors, (2153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2153 transitions. [2022-02-09 02:02:15,095 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2153 transitions. Word has length 116 [2022-02-09 02:02:15,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:15,095 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2153 transitions. [2022-02-09 02:02:15,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2153 transitions. [2022-02-09 02:02:15,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:15,096 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:15,096 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:15,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-02-09 02:02:15,096 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:15,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash -729999772, now seen corresponding path program 8 times [2022-02-09 02:02:15,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:15,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799913914] [2022-02-09 02:02:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:15,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:15,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:15,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799913914] [2022-02-09 02:02:15,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799913914] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:15,850 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:15,850 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:15,850 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150979546] [2022-02-09 02:02:15,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:15,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:15,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:15,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:15,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:15,851 INFO L87 Difference]: Start difference. First operand 1194 states and 2153 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) [2022-02-09 02:02:16,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:16,581 INFO L93 Difference]: Finished difference Result 1290 states and 2296 transitions. [2022-02-09 02:02:16,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:02:16,581 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 [2022-02-09 02:02:16,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:16,582 INFO L225 Difference]: With dead ends: 1290 [2022-02-09 02:02:16,582 INFO L226 Difference]: Without dead ends: 1240 [2022-02-09 02:02:16,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:02:16,583 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 177 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:16,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 841 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:16,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-02-09 02:02:16,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1176. [2022-02-09 02:02:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1169 states have (on average 1.8100940975192472) internal successors, (2116), 1175 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) [2022-02-09 02:02:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 2116 transitions. [2022-02-09 02:02:16,592 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 2116 transitions. Word has length 116 [2022-02-09 02:02:16,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:16,592 INFO L470 AbstractCegarLoop]: Abstraction has 1176 states and 2116 transitions. [2022-02-09 02:02:16,592 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) [2022-02-09 02:02:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 2116 transitions. [2022-02-09 02:02:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:16,593 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:16,593 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:16,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-02-09 02:02:16,593 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:16,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:16,593 INFO L85 PathProgramCache]: Analyzing trace with hash 373201338, now seen corresponding path program 9 times [2022-02-09 02:02:16,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:16,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454654404] [2022-02-09 02:02:16,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:16,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:17,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:17,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454654404] [2022-02-09 02:02:17,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454654404] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:17,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:17,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:17,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394273384] [2022-02-09 02:02:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:17,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:17,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:17,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:17,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:17,388 INFO L87 Difference]: Start difference. First operand 1176 states and 2116 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) [2022-02-09 02:02:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:17,859 INFO L93 Difference]: Finished difference Result 1232 states and 2207 transitions. [2022-02-09 02:02:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:17,859 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 [2022-02-09 02:02:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:17,860 INFO L225 Difference]: With dead ends: 1232 [2022-02-09 02:02:17,860 INFO L226 Difference]: Without dead ends: 1204 [2022-02-09 02:02:17,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:02:17,861 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 178 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:17,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 641 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:17,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-02-09 02:02:17,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1155. [2022-02-09 02:02:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1148 states have (on average 1.8231707317073171) internal successors, (2093), 1154 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2093 transitions. [2022-02-09 02:02:17,870 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2093 transitions. Word has length 116 [2022-02-09 02:02:17,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:17,870 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2093 transitions. [2022-02-09 02:02:17,870 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) [2022-02-09 02:02:17,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2093 transitions. [2022-02-09 02:02:17,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:17,871 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:17,871 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:17,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-02-09 02:02:17,871 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:17,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:17,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1361553491, now seen corresponding path program 14 times [2022-02-09 02:02:17,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:17,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88707888] [2022-02-09 02:02:17,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:17,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:18,255 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:18,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88707888] [2022-02-09 02:02:18,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88707888] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:18,255 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:18,255 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:18,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779112095] [2022-02-09 02:02:18,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:18,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:18,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:18,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:18,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:18,256 INFO L87 Difference]: Start difference. First operand 1155 states and 2093 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) [2022-02-09 02:02:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:18,685 INFO L93 Difference]: Finished difference Result 1448 states and 2558 transitions. [2022-02-09 02:02:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:18,685 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 [2022-02-09 02:02:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:18,687 INFO L225 Difference]: With dead ends: 1448 [2022-02-09 02:02:18,687 INFO L226 Difference]: Without dead ends: 1414 [2022-02-09 02:02:18,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:02:18,687 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 190 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:18,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 487 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:18,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-02-09 02:02:18,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1159. [2022-02-09 02:02:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1152 states have (on average 1.8237847222222223) internal successors, (2101), 1158 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 2101 transitions. [2022-02-09 02:02:18,698 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 2101 transitions. Word has length 116 [2022-02-09 02:02:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:18,698 INFO L470 AbstractCegarLoop]: Abstraction has 1159 states and 2101 transitions. [2022-02-09 02:02:18,698 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) [2022-02-09 02:02:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2101 transitions. [2022-02-09 02:02:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:18,699 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:18,699 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:18,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-02-09 02:02:18,700 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:18,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:18,700 INFO L85 PathProgramCache]: Analyzing trace with hash 768690285, now seen corresponding path program 15 times [2022-02-09 02:02:18,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:18,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448948457] [2022-02-09 02:02:18,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:18,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:19,116 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:19,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448948457] [2022-02-09 02:02:19,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448948457] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:19,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:19,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:19,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940309320] [2022-02-09 02:02:19,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:19,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:19,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:19,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:19,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:19,117 INFO L87 Difference]: Start difference. First operand 1159 states and 2101 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) [2022-02-09 02:02:19,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:19,546 INFO L93 Difference]: Finished difference Result 1376 states and 2435 transitions. [2022-02-09 02:02:19,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:19,547 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 [2022-02-09 02:02:19,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:19,548 INFO L225 Difference]: With dead ends: 1376 [2022-02-09 02:02:19,548 INFO L226 Difference]: Without dead ends: 1350 [2022-02-09 02:02:19,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:02:19,549 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 172 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:19,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 482 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:19,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2022-02-09 02:02:19,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1162. [2022-02-09 02:02:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1155 states have (on average 1.8242424242424242) internal successors, (2107), 1161 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) [2022-02-09 02:02:19,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 2107 transitions. [2022-02-09 02:02:19,559 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 2107 transitions. Word has length 116 [2022-02-09 02:02:19,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:19,559 INFO L470 AbstractCegarLoop]: Abstraction has 1162 states and 2107 transitions. [2022-02-09 02:02:19,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 2107 transitions. [2022-02-09 02:02:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:19,560 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:19,560 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:19,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-02-09 02:02:19,560 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:19,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:19,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1311686897, now seen corresponding path program 16 times [2022-02-09 02:02:19,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:19,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158925653] [2022-02-09 02:02:19,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:19,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:20,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:20,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158925653] [2022-02-09 02:02:20,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158925653] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:20,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:20,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:20,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635384474] [2022-02-09 02:02:20,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:20,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:20,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:20,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:20,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:20,240 INFO L87 Difference]: Start difference. First operand 1162 states and 2107 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) [2022-02-09 02:02:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:21,150 INFO L93 Difference]: Finished difference Result 1451 states and 2586 transitions. [2022-02-09 02:02:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:02:21,150 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 [2022-02-09 02:02:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:21,152 INFO L225 Difference]: With dead ends: 1451 [2022-02-09 02:02:21,152 INFO L226 Difference]: Without dead ends: 1376 [2022-02-09 02:02:21,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-02-09 02:02:21,153 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 131 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:21,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 790 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:02:21,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2022-02-09 02:02:21,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1171. [2022-02-09 02:02:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1164 states have (on average 1.824742268041237) internal successors, (2124), 1170 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2124 transitions. [2022-02-09 02:02:21,163 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2124 transitions. Word has length 116 [2022-02-09 02:02:21,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:21,163 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 2124 transitions. [2022-02-09 02:02:21,163 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) [2022-02-09 02:02:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2124 transitions. [2022-02-09 02:02:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:21,164 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:21,164 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:21,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-02-09 02:02:21,164 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:21,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:21,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1056090421, now seen corresponding path program 17 times [2022-02-09 02:02:21,165 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:21,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704509691] [2022-02-09 02:02:21,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:21,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:21,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704509691] [2022-02-09 02:02:21,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704509691] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:21,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:21,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:21,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149874120] [2022-02-09 02:02:21,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:21,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:21,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:21,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:21,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:21,871 INFO L87 Difference]: Start difference. First operand 1171 states and 2124 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) [2022-02-09 02:02:22,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:22,550 INFO L93 Difference]: Finished difference Result 1470 states and 2598 transitions. [2022-02-09 02:02:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:02:22,550 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:22,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:22,552 INFO L225 Difference]: With dead ends: 1470 [2022-02-09 02:02:22,552 INFO L226 Difference]: Without dead ends: 1395 [2022-02-09 02:02:22,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:02:22,553 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 163 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:22,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 770 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:22,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2022-02-09 02:02:22,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1172. [2022-02-09 02:02:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1165 states have (on average 1.8240343347639485) internal successors, (2125), 1171 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 2125 transitions. [2022-02-09 02:02:22,562 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 2125 transitions. Word has length 116 [2022-02-09 02:02:22,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:22,562 INFO L470 AbstractCegarLoop]: Abstraction has 1172 states and 2125 transitions. [2022-02-09 02:02:22,562 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) [2022-02-09 02:02:22,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 2125 transitions. [2022-02-09 02:02:22,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:22,563 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:22,563 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:22,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-02-09 02:02:22,564 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:22,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:22,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1970929461, now seen corresponding path program 18 times [2022-02-09 02:02:22,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:22,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547463926] [2022-02-09 02:02:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:22,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:23,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:23,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547463926] [2022-02-09 02:02:23,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547463926] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:23,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:23,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:23,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981284058] [2022-02-09 02:02:23,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:23,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:23,344 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:23,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:23,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:23,344 INFO L87 Difference]: Start difference. First operand 1172 states and 2125 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) [2022-02-09 02:02:24,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:24,111 INFO L93 Difference]: Finished difference Result 1376 states and 2439 transitions. [2022-02-09 02:02:24,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 02:02:24,112 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 [2022-02-09 02:02:24,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:24,113 INFO L225 Difference]: With dead ends: 1376 [2022-02-09 02:02:24,113 INFO L226 Difference]: Without dead ends: 1350 [2022-02-09 02:02:24,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-09 02:02:24,113 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 172 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:24,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 670 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:24,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2022-02-09 02:02:24,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1173. [2022-02-09 02:02:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1166 states have (on average 1.8233276157804459) internal successors, (2126), 1172 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) [2022-02-09 02:02:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2126 transitions. [2022-02-09 02:02:24,124 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2126 transitions. Word has length 116 [2022-02-09 02:02:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:24,124 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2126 transitions. [2022-02-09 02:02:24,124 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) [2022-02-09 02:02:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2126 transitions. [2022-02-09 02:02:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:24,125 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:24,125 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:24,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-02-09 02:02:24,125 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:24,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2084540151, now seen corresponding path program 19 times [2022-02-09 02:02:24,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:24,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745981834] [2022-02-09 02:02:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:24,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:24,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:24,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745981834] [2022-02-09 02:02:24,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745981834] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:24,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:24,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:24,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022212774] [2022-02-09 02:02:24,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:24,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:24,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:24,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:24,906 INFO L87 Difference]: Start difference. First operand 1173 states and 2126 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) [2022-02-09 02:02:25,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:25,567 INFO L93 Difference]: Finished difference Result 1378 states and 2442 transitions. [2022-02-09 02:02:25,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:02:25,567 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:25,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:25,569 INFO L225 Difference]: With dead ends: 1378 [2022-02-09 02:02:25,569 INFO L226 Difference]: Without dead ends: 1325 [2022-02-09 02:02:25,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-02-09 02:02:25,569 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 161 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:25,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 590 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-02-09 02:02:25,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1170. [2022-02-09 02:02:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1163 states have (on average 1.823731728288908) internal successors, (2121), 1169 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 2121 transitions. [2022-02-09 02:02:25,579 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 2121 transitions. Word has length 116 [2022-02-09 02:02:25,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:25,579 INFO L470 AbstractCegarLoop]: Abstraction has 1170 states and 2121 transitions. [2022-02-09 02:02:25,579 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) [2022-02-09 02:02:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2121 transitions. [2022-02-09 02:02:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:25,580 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:25,580 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:25,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-02-09 02:02:25,580 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:25,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:25,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1641324963, now seen corresponding path program 20 times [2022-02-09 02:02:25,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:25,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297261074] [2022-02-09 02:02:25,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:25,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:26,062 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:26,062 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297261074] [2022-02-09 02:02:26,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297261074] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:26,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:26,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:26,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321312282] [2022-02-09 02:02:26,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:26,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:26,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:26,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:26,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:26,063 INFO L87 Difference]: Start difference. First operand 1170 states and 2121 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) [2022-02-09 02:02:26,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:26,608 INFO L93 Difference]: Finished difference Result 1347 states and 2401 transitions. [2022-02-09 02:02:26,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:26,609 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 [2022-02-09 02:02:26,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:26,610 INFO L225 Difference]: With dead ends: 1347 [2022-02-09 02:02:26,610 INFO L226 Difference]: Without dead ends: 1272 [2022-02-09 02:02:26,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:02:26,611 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 169 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:26,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 807 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:26,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2022-02-09 02:02:26,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1152. [2022-02-09 02:02:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1145 states have (on average 1.8200873362445416) internal successors, (2084), 1151 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 2084 transitions. [2022-02-09 02:02:26,620 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 2084 transitions. Word has length 116 [2022-02-09 02:02:26,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:26,620 INFO L470 AbstractCegarLoop]: Abstraction has 1152 states and 2084 transitions. [2022-02-09 02:02:26,620 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) [2022-02-09 02:02:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 2084 transitions. [2022-02-09 02:02:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:26,621 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:26,621 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:26,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-02-09 02:02:26,622 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:26,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:26,622 INFO L85 PathProgramCache]: Analyzing trace with hash 726485923, now seen corresponding path program 21 times [2022-02-09 02:02:26,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:26,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835198488] [2022-02-09 02:02:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:26,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:27,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:27,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835198488] [2022-02-09 02:02:27,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835198488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:27,270 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:27,270 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:27,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892148598] [2022-02-09 02:02:27,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:27,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:27,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:27,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:27,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:27,271 INFO L87 Difference]: Start difference. First operand 1152 states and 2084 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) [2022-02-09 02:02:27,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:27,880 INFO L93 Difference]: Finished difference Result 1347 states and 2385 transitions. [2022-02-09 02:02:27,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 02:02:27,880 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 [2022-02-09 02:02:27,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:27,881 INFO L225 Difference]: With dead ends: 1347 [2022-02-09 02:02:27,882 INFO L226 Difference]: Without dead ends: 1321 [2022-02-09 02:02:27,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:02:27,882 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 195 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:27,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 594 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:27,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2022-02-09 02:02:27,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1153. [2022-02-09 02:02:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1146 states have (on average 1.8193717277486912) internal successors, (2085), 1152 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2085 transitions. [2022-02-09 02:02:27,892 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2085 transitions. Word has length 116 [2022-02-09 02:02:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:27,892 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2085 transitions. [2022-02-09 02:02:27,892 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) [2022-02-09 02:02:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2085 transitions. [2022-02-09 02:02:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:27,893 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:27,893 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:27,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-02-09 02:02:27,893 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:27,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 612875233, now seen corresponding path program 22 times [2022-02-09 02:02:27,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:27,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941447435] [2022-02-09 02:02:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:27,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:28,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:28,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941447435] [2022-02-09 02:02:28,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941447435] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:28,514 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:28,514 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:28,514 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091526237] [2022-02-09 02:02:28,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:28,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:28,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:28,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:28,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:28,515 INFO L87 Difference]: Start difference. First operand 1153 states and 2085 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) [2022-02-09 02:02:29,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:29,163 INFO L93 Difference]: Finished difference Result 1314 states and 2340 transitions. [2022-02-09 02:02:29,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:29,163 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:29,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:29,165 INFO L225 Difference]: With dead ends: 1314 [2022-02-09 02:02:29,165 INFO L226 Difference]: Without dead ends: 1262 [2022-02-09 02:02:29,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:02:29,165 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 160 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:29,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 858 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 02:02:29,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-02-09 02:02:29,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1151. [2022-02-09 02:02:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1144 states have (on average 1.81993006993007) internal successors, (2082), 1150 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2082 transitions. [2022-02-09 02:02:29,175 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2082 transitions. Word has length 116 [2022-02-09 02:02:29,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:29,175 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2082 transitions. [2022-02-09 02:02:29,175 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) [2022-02-09 02:02:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2082 transitions. [2022-02-09 02:02:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:29,176 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:29,176 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:29,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-02-09 02:02:29,176 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:29,176 INFO L85 PathProgramCache]: Analyzing trace with hash 332467701, now seen corresponding path program 23 times [2022-02-09 02:02:29,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:29,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739058583] [2022-02-09 02:02:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:29,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:29,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:29,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739058583] [2022-02-09 02:02:29,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739058583] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:29,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:29,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:29,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828281898] [2022-02-09 02:02:29,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:29,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:29,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:29,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:29,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:29,618 INFO L87 Difference]: Start difference. First operand 1151 states and 2082 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) [2022-02-09 02:02:30,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:30,083 INFO L93 Difference]: Finished difference Result 1248 states and 2232 transitions. [2022-02-09 02:02:30,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:30,083 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 [2022-02-09 02:02:30,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:30,085 INFO L225 Difference]: With dead ends: 1248 [2022-02-09 02:02:30,085 INFO L226 Difference]: Without dead ends: 1211 [2022-02-09 02:02:30,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:02:30,085 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 209 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:30,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 849 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:30,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-02-09 02:02:30,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1140. [2022-02-09 02:02:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.8181818181818181) internal successors, (2060), 1139 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2060 transitions. [2022-02-09 02:02:30,094 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2060 transitions. Word has length 116 [2022-02-09 02:02:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:30,094 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2060 transitions. [2022-02-09 02:02:30,094 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) [2022-02-09 02:02:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2060 transitions. [2022-02-09 02:02:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:30,095 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:30,095 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:30,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-02-09 02:02:30,095 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:30,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:30,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1527989333, now seen corresponding path program 24 times [2022-02-09 02:02:30,096 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:30,096 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937851764] [2022-02-09 02:02:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:30,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:30,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:30,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937851764] [2022-02-09 02:02:30,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937851764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:30,657 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:30,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:30,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61770819] [2022-02-09 02:02:30,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:30,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:30,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:30,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:30,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:30,658 INFO L87 Difference]: Start difference. First operand 1140 states and 2060 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) [2022-02-09 02:02:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:31,280 INFO L93 Difference]: Finished difference Result 1276 states and 2266 transitions. [2022-02-09 02:02:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:02:31,281 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 [2022-02-09 02:02:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:31,282 INFO L225 Difference]: With dead ends: 1276 [2022-02-09 02:02:31,282 INFO L226 Difference]: Without dead ends: 1250 [2022-02-09 02:02:31,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:02:31,282 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 196 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:31,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 801 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-02-09 02:02:31,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1140. [2022-02-09 02:02:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.8172992056487203) internal successors, (2059), 1139 states have internal predecessors, (2059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2059 transitions. [2022-02-09 02:02:31,291 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2059 transitions. Word has length 116 [2022-02-09 02:02:31,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:31,292 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2059 transitions. [2022-02-09 02:02:31,292 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) [2022-02-09 02:02:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2059 transitions. [2022-02-09 02:02:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:31,292 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:31,293 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:31,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-02-09 02:02:31,293 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:31,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:31,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1414378643, now seen corresponding path program 25 times [2022-02-09 02:02:31,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:31,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003476989] [2022-02-09 02:02:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:31,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:31,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:31,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003476989] [2022-02-09 02:02:31,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003476989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:31,850 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:31,850 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:31,850 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650126039] [2022-02-09 02:02:31,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:31,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:31,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:31,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:31,851 INFO L87 Difference]: Start difference. First operand 1140 states and 2059 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) [2022-02-09 02:02:32,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:32,324 INFO L93 Difference]: Finished difference Result 1243 states and 2221 transitions. [2022-02-09 02:02:32,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:32,324 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:32,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:32,325 INFO L225 Difference]: With dead ends: 1243 [2022-02-09 02:02:32,325 INFO L226 Difference]: Without dead ends: 1074 [2022-02-09 02:02:32,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-02-09 02:02:32,326 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 191 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:32,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 770 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:32,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-02-09 02:02:32,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1003. [2022-02-09 02:02:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 996 states have (on average 1.78714859437751) internal successors, (1780), 1002 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1780 transitions. [2022-02-09 02:02:32,333 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1780 transitions. Word has length 116 [2022-02-09 02:02:32,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:32,334 INFO L470 AbstractCegarLoop]: Abstraction has 1003 states and 1780 transitions. [2022-02-09 02:02:32,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1780 transitions. [2022-02-09 02:02:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:32,334 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:32,334 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:32,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-02-09 02:02:32,335 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:32,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:32,335 INFO L85 PathProgramCache]: Analyzing trace with hash 15870440, now seen corresponding path program 10 times [2022-02-09 02:02:32,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:32,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366169833] [2022-02-09 02:02:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:32,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:33,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:33,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366169833] [2022-02-09 02:02:33,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366169833] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:33,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:33,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:33,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643809445] [2022-02-09 02:02:33,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:33,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:33,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:33,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:33,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:33,031 INFO L87 Difference]: Start difference. First operand 1003 states and 1780 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) [2022-02-09 02:02:33,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:33,889 INFO L93 Difference]: Finished difference Result 1077 states and 1884 transitions. [2022-02-09 02:02:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 02:02:33,889 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 [2022-02-09 02:02:33,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:33,891 INFO L225 Difference]: With dead ends: 1077 [2022-02-09 02:02:33,891 INFO L226 Difference]: Without dead ends: 1049 [2022-02-09 02:02:33,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:02:33,891 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 230 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:33,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 602 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2022-02-09 02:02:33,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 921. [2022-02-09 02:02:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 915 states have (on average 1.7693989071038252) internal successors, (1619), 920 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1619 transitions. [2022-02-09 02:02:33,899 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1619 transitions. Word has length 116 [2022-02-09 02:02:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:33,899 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1619 transitions. [2022-02-09 02:02:33,899 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) [2022-02-09 02:02:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1619 transitions. [2022-02-09 02:02:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:33,900 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:33,900 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:33,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-02-09 02:02:33,900 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:33,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:33,901 INFO L85 PathProgramCache]: Analyzing trace with hash -750381012, now seen corresponding path program 5 times [2022-02-09 02:02:33,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:33,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553808865] [2022-02-09 02:02:33,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:33,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:34,160 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:34,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553808865] [2022-02-09 02:02:34,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553808865] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:34,160 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:34,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:34,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944449355] [2022-02-09 02:02:34,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:34,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:34,161 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:34,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:34,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:34,161 INFO L87 Difference]: Start difference. First operand 921 states and 1619 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) [2022-02-09 02:02:34,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:34,487 INFO L93 Difference]: Finished difference Result 1313 states and 2272 transitions. [2022-02-09 02:02:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:34,487 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 [2022-02-09 02:02:34,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:34,497 INFO L225 Difference]: With dead ends: 1313 [2022-02-09 02:02:34,497 INFO L226 Difference]: Without dead ends: 1269 [2022-02-09 02:02:34,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:34,497 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 199 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:34,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 521 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:34,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2022-02-09 02:02:34,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 965. [2022-02-09 02:02:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 959 states have (on average 1.7737226277372262) internal successors, (1701), 964 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1701 transitions. [2022-02-09 02:02:34,506 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1701 transitions. Word has length 116 [2022-02-09 02:02:34,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:34,506 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1701 transitions. [2022-02-09 02:02:34,506 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) [2022-02-09 02:02:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1701 transitions. [2022-02-09 02:02:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:34,507 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:34,507 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:34,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-02-09 02:02:34,507 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:34,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:34,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1454600954, now seen corresponding path program 6 times [2022-02-09 02:02:34,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:34,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029061563] [2022-02-09 02:02:34,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:34,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:34,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:34,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029061563] [2022-02-09 02:02:34,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029061563] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:34,858 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:34,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:34,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897637719] [2022-02-09 02:02:34,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:34,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:34,859 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:34,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:34,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:34,859 INFO L87 Difference]: Start difference. First operand 965 states and 1701 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) [2022-02-09 02:02:35,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:35,228 INFO L93 Difference]: Finished difference Result 1224 states and 2113 transitions. [2022-02-09 02:02:35,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:35,229 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 [2022-02-09 02:02:35,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:35,230 INFO L225 Difference]: With dead ends: 1224 [2022-02-09 02:02:35,230 INFO L226 Difference]: Without dead ends: 1191 [2022-02-09 02:02:35,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:02:35,230 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 265 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:35,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 502 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:35,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2022-02-09 02:02:35,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 960. [2022-02-09 02:02:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 954 states have (on average 1.771488469601677) internal successors, (1690), 959 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1690 transitions. [2022-02-09 02:02:35,240 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1690 transitions. Word has length 116 [2022-02-09 02:02:35,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:35,240 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1690 transitions. [2022-02-09 02:02:35,240 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) [2022-02-09 02:02:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1690 transitions. [2022-02-09 02:02:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:35,241 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:35,241 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:35,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-02-09 02:02:35,241 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:35,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash 2062312812, now seen corresponding path program 7 times [2022-02-09 02:02:35,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:35,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181690740] [2022-02-09 02:02:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:35,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:35,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:35,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181690740] [2022-02-09 02:02:35,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181690740] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:35,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:35,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:35,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746688620] [2022-02-09 02:02:35,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:35,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:35,686 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:35,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:35,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:35,687 INFO L87 Difference]: Start difference. First operand 960 states and 1690 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) [2022-02-09 02:02:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:36,037 INFO L93 Difference]: Finished difference Result 1108 states and 1898 transitions. [2022-02-09 02:02:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:36,037 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 [2022-02-09 02:02:36,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:36,039 INFO L225 Difference]: With dead ends: 1108 [2022-02-09 02:02:36,039 INFO L226 Difference]: Without dead ends: 1079 [2022-02-09 02:02:36,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:02:36,039 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 224 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:36,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 377 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2022-02-09 02:02:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 956. [2022-02-09 02:02:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 950 states have (on average 1.768421052631579) internal successors, (1680), 955 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1680 transitions. [2022-02-09 02:02:36,047 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1680 transitions. Word has length 116 [2022-02-09 02:02:36,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:36,048 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1680 transitions. [2022-02-09 02:02:36,048 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) [2022-02-09 02:02:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1680 transitions. [2022-02-09 02:02:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:36,048 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:36,049 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:36,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-02-09 02:02:36,049 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:36,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:36,049 INFO L85 PathProgramCache]: Analyzing trace with hash -81825274, now seen corresponding path program 8 times [2022-02-09 02:02:36,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:36,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689650623] [2022-02-09 02:02:36,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:36,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:36,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:36,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689650623] [2022-02-09 02:02:36,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689650623] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:36,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:36,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:36,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398339161] [2022-02-09 02:02:36,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:36,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:36,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:36,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:36,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:36,554 INFO L87 Difference]: Start difference. First operand 956 states and 1680 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) [2022-02-09 02:02:36,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:36,917 INFO L93 Difference]: Finished difference Result 1028 states and 1765 transitions. [2022-02-09 02:02:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:36,917 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 [2022-02-09 02:02:36,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:36,918 INFO L225 Difference]: With dead ends: 1028 [2022-02-09 02:02:36,918 INFO L226 Difference]: Without dead ends: 986 [2022-02-09 02:02:36,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:02:36,918 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 208 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:36,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 349 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:36,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2022-02-09 02:02:36,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 925. [2022-02-09 02:02:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 919 states have (on average 1.7649619151251361) internal successors, (1622), 924 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1622 transitions. [2022-02-09 02:02:36,926 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1622 transitions. Word has length 116 [2022-02-09 02:02:36,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:36,926 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1622 transitions. [2022-02-09 02:02:36,926 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) [2022-02-09 02:02:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1622 transitions. [2022-02-09 02:02:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:36,927 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:36,927 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:36,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-02-09 02:02:36,927 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:36,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1630424324, now seen corresponding path program 2 times [2022-02-09 02:02:36,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:36,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904982746] [2022-02-09 02:02:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:36,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:37,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:37,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904982746] [2022-02-09 02:02:37,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904982746] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:37,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:37,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:37,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543236603] [2022-02-09 02:02:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:37,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:37,803 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:37,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:37,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:37,803 INFO L87 Difference]: Start difference. First operand 925 states and 1622 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) [2022-02-09 02:02:38,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:38,398 INFO L93 Difference]: Finished difference Result 1076 states and 1868 transitions. [2022-02-09 02:02:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 02:02:38,398 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 [2022-02-09 02:02:38,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:38,400 INFO L225 Difference]: With dead ends: 1076 [2022-02-09 02:02:38,400 INFO L226 Difference]: Without dead ends: 1032 [2022-02-09 02:02:38,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-02-09 02:02:38,400 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 245 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:38,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 695 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:38,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2022-02-09 02:02:38,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 899. [2022-02-09 02:02:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 893 states have (on average 1.759238521836506) internal successors, (1571), 898 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1571 transitions. [2022-02-09 02:02:38,407 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1571 transitions. Word has length 116 [2022-02-09 02:02:38,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:38,407 INFO L470 AbstractCegarLoop]: Abstraction has 899 states and 1571 transitions. [2022-02-09 02:02:38,407 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) [2022-02-09 02:02:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1571 transitions. [2022-02-09 02:02:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:38,408 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:38,408 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:38,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-02-09 02:02:38,408 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1021691445, now seen corresponding path program 26 times [2022-02-09 02:02:38,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:38,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645303260] [2022-02-09 02:02:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:38,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:38,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:38,717 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645303260] [2022-02-09 02:02:38,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645303260] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:38,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:38,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:38,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913575464] [2022-02-09 02:02:38,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:38,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:38,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:38,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:38,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:38,717 INFO L87 Difference]: Start difference. First operand 899 states and 1571 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) [2022-02-09 02:02:39,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:39,067 INFO L93 Difference]: Finished difference Result 1256 states and 2149 transitions. [2022-02-09 02:02:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:39,067 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 [2022-02-09 02:02:39,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:39,069 INFO L225 Difference]: With dead ends: 1256 [2022-02-09 02:02:39,069 INFO L226 Difference]: Without dead ends: 1204 [2022-02-09 02:02:39,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:39,069 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 197 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:39,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 580 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:39,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-02-09 02:02:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 905. [2022-02-09 02:02:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 899 states have (on average 1.7519466073414904) internal successors, (1575), 904 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1575 transitions. [2022-02-09 02:02:39,077 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1575 transitions. Word has length 116 [2022-02-09 02:02:39,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:39,077 INFO L470 AbstractCegarLoop]: Abstraction has 905 states and 1575 transitions. [2022-02-09 02:02:39,077 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) [2022-02-09 02:02:39,078 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1575 transitions. [2022-02-09 02:02:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:39,078 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:39,078 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:39,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-02-09 02:02:39,078 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:39,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:39,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2022468937, now seen corresponding path program 27 times [2022-02-09 02:02:39,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:39,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592726446] [2022-02-09 02:02:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:39,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:39,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:39,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592726446] [2022-02-09 02:02:39,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592726446] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:39,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:39,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:39,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429681605] [2022-02-09 02:02:39,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:39,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:39,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:39,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:39,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:39,423 INFO L87 Difference]: Start difference. First operand 905 states and 1575 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) [2022-02-09 02:02:39,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:39,750 INFO L93 Difference]: Finished difference Result 1135 states and 1925 transitions. [2022-02-09 02:02:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:39,750 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 [2022-02-09 02:02:39,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:39,751 INFO L225 Difference]: With dead ends: 1135 [2022-02-09 02:02:39,751 INFO L226 Difference]: Without dead ends: 1081 [2022-02-09 02:02:39,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:39,751 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 196 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:39,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 494 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:39,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-02-09 02:02:39,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 884. [2022-02-09 02:02:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 879 states have (on average 1.7440273037542662) internal successors, (1533), 883 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1533 transitions. [2022-02-09 02:02:39,759 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1533 transitions. Word has length 116 [2022-02-09 02:02:39,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:39,759 INFO L470 AbstractCegarLoop]: Abstraction has 884 states and 1533 transitions. [2022-02-09 02:02:39,759 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) [2022-02-09 02:02:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1533 transitions. [2022-02-09 02:02:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:39,760 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:39,760 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:39,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-02-09 02:02:39,760 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:39,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:39,760 INFO L85 PathProgramCache]: Analyzing trace with hash 905058123, now seen corresponding path program 28 times [2022-02-09 02:02:39,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:39,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026724339] [2022-02-09 02:02:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:39,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:40,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:40,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026724339] [2022-02-09 02:02:40,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026724339] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:40,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:40,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:40,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655429060] [2022-02-09 02:02:40,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:40,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:40,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:40,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:40,452 INFO L87 Difference]: Start difference. First operand 884 states and 1533 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) [2022-02-09 02:02:41,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:41,171 INFO L93 Difference]: Finished difference Result 1018 states and 1716 transitions. [2022-02-09 02:02:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:02:41,171 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 [2022-02-09 02:02:41,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:41,173 INFO L225 Difference]: With dead ends: 1018 [2022-02-09 02:02:41,173 INFO L226 Difference]: Without dead ends: 972 [2022-02-09 02:02:41,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-02-09 02:02:41,173 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 248 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:41,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 502 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-02-09 02:02:41,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 821. [2022-02-09 02:02:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 817 states have (on average 1.7258261933904528) internal successors, (1410), 820 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1410 transitions. [2022-02-09 02:02:41,180 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1410 transitions. Word has length 116 [2022-02-09 02:02:41,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:41,180 INFO L470 AbstractCegarLoop]: Abstraction has 821 states and 1410 transitions. [2022-02-09 02:02:41,180 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) [2022-02-09 02:02:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1410 transitions. [2022-02-09 02:02:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:41,181 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:41,181 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:41,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-02-09 02:02:41,181 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash -220334135, now seen corresponding path program 29 times [2022-02-09 02:02:41,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:41,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862800607] [2022-02-09 02:02:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:41,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:41,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:41,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862800607] [2022-02-09 02:02:41,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862800607] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:41,685 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:41,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:41,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68559870] [2022-02-09 02:02:41,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:41,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:41,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:41,685 INFO L87 Difference]: Start difference. First operand 821 states and 1410 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) [2022-02-09 02:02:42,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:42,044 INFO L93 Difference]: Finished difference Result 937 states and 1578 transitions. [2022-02-09 02:02:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:42,045 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 [2022-02-09 02:02:42,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:42,045 INFO L225 Difference]: With dead ends: 937 [2022-02-09 02:02:42,045 INFO L226 Difference]: Without dead ends: 685 [2022-02-09 02:02:42,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:42,046 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 205 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:42,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 442 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:42,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2022-02-09 02:02:42,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 640. [2022-02-09 02:02:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 636 states have (on average 1.6022012578616351) internal successors, (1019), 639 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1019 transitions. [2022-02-09 02:02:42,051 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1019 transitions. Word has length 116 [2022-02-09 02:02:42,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:42,051 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 1019 transitions. [2022-02-09 02:02:42,051 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) [2022-02-09 02:02:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1019 transitions. [2022-02-09 02:02:42,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:42,051 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:42,051 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:42,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-02-09 02:02:42,052 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:42,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:42,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1280166206, now seen corresponding path program 3 times [2022-02-09 02:02:42,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:42,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161110623] [2022-02-09 02:02:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:42,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:42,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:42,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161110623] [2022-02-09 02:02:42,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161110623] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:42,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:42,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:42,910 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6150637] [2022-02-09 02:02:42,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:42,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:42,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:42,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:42,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:42,911 INFO L87 Difference]: Start difference. First operand 640 states and 1019 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) [2022-02-09 02:02:43,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:43,335 INFO L93 Difference]: Finished difference Result 720 states and 1141 transitions. [2022-02-09 02:02:43,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:43,335 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 [2022-02-09 02:02:43,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:43,336 INFO L225 Difference]: With dead ends: 720 [2022-02-09 02:02:43,336 INFO L226 Difference]: Without dead ends: 642 [2022-02-09 02:02:43,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:02:43,336 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 194 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:43,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 489 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:43,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2022-02-09 02:02:43,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 614. [2022-02-09 02:02:43,340 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) [2022-02-09 02:02:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 967 transitions. [2022-02-09 02:02:43,341 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 967 transitions. Word has length 116 [2022-02-09 02:02:43,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:43,341 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 967 transitions. [2022-02-09 02:02:43,341 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) [2022-02-09 02:02:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 967 transitions. [2022-02-09 02:02:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:43,341 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:43,342 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:43,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-02-09 02:02:43,342 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:43,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:43,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1669765944, now seen corresponding path program 4 times [2022-02-09 02:02:43,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:43,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776766876] [2022-02-09 02:02:43,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:43,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:43,992 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:43,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776766876] [2022-02-09 02:02:43,992 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776766876] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:43,992 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:43,992 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:43,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420333420] [2022-02-09 02:02:43,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:43,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:43,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:43,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:43,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:43,993 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) [2022-02-09 02:02:44,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:44,467 INFO L93 Difference]: Finished difference Result 668 states and 1038 transitions. [2022-02-09 02:02:44,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:44,467 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:44,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:44,468 INFO L225 Difference]: With dead ends: 668 [2022-02-09 02:02:44,468 INFO L226 Difference]: Without dead ends: 616 [2022-02-09 02:02:44,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:02:44,468 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 233 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:44,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 328 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:44,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-02-09 02:02:44,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 588. [2022-02-09 02:02:44,472 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) [2022-02-09 02:02:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 915 transitions. [2022-02-09 02:02:44,472 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 915 transitions. Word has length 116 [2022-02-09 02:02:44,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:44,473 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 915 transitions. [2022-02-09 02:02:44,473 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) [2022-02-09 02:02:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 915 transitions. [2022-02-09 02:02:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:44,473 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:44,473 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:44,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-02-09 02:02:44,473 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:44,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:44,474 INFO L85 PathProgramCache]: Analyzing trace with hash -194600416, now seen corresponding path program 5 times [2022-02-09 02:02:44,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:44,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165047886] [2022-02-09 02:02:44,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:44,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:45,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:45,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165047886] [2022-02-09 02:02:45,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165047886] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:45,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:45,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:45,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200567408] [2022-02-09 02:02:45,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:45,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:45,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:45,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:45,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:45,137 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) [2022-02-09 02:02:45,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:45,658 INFO L93 Difference]: Finished difference Result 604 states and 938 transitions. [2022-02-09 02:02:45,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:45,659 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 [2022-02-09 02:02:45,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:45,659 INFO L225 Difference]: With dead ends: 604 [2022-02-09 02:02:45,659 INFO L226 Difference]: Without dead ends: 578 [2022-02-09 02:02:45,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:02:45,660 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 186 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:45,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 427 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-02-09 02:02:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 550. [2022-02-09 02:02:45,663 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) [2022-02-09 02:02:45,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 866 transitions. [2022-02-09 02:02:45,664 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 866 transitions. Word has length 116 [2022-02-09 02:02:45,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:45,664 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 866 transitions. [2022-02-09 02:02:45,664 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) [2022-02-09 02:02:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 866 transitions. [2022-02-09 02:02:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:45,665 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:45,665 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:45,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-02-09 02:02:45,665 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:45,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:45,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2083730738, now seen corresponding path program 9 times [2022-02-09 02:02:45,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:45,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552353729] [2022-02-09 02:02:45,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:45,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:46,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:46,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552353729] [2022-02-09 02:02:46,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552353729] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:46,553 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:46,553 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 02:02:46,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283944907] [2022-02-09 02:02:46,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:46,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 02:02:46,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:46,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 02:02:46,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-02-09 02:02:46,554 INFO L87 Difference]: Start difference. First operand 550 states and 866 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) [2022-02-09 02:02:47,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:47,954 INFO L93 Difference]: Finished difference Result 588 states and 912 transitions. [2022-02-09 02:02:47,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 02:02:47,955 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 [2022-02-09 02:02:47,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:47,956 INFO L225 Difference]: With dead ends: 588 [2022-02-09 02:02:47,956 INFO L226 Difference]: Without dead ends: 559 [2022-02-09 02:02:47,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=331, Invalid=1151, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 02:02:47,956 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 608 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:47,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 685 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:47,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-02-09 02:02:47,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2022-02-09 02:02:47,960 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) [2022-02-09 02:02:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 860 transitions. [2022-02-09 02:02:47,960 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 860 transitions. Word has length 116 [2022-02-09 02:02:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:47,961 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 860 transitions. [2022-02-09 02:02:47,961 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) [2022-02-09 02:02:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 860 transitions. [2022-02-09 02:02:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:47,961 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:47,961 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:47,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-02-09 02:02:47,961 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:47,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:47,962 INFO L85 PathProgramCache]: Analyzing trace with hash -393448680, now seen corresponding path program 10 times [2022-02-09 02:02:47,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:47,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181338998] [2022-02-09 02:02:47,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:47,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:48,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:48,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181338998] [2022-02-09 02:02:48,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181338998] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:48,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:48,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 02:02:48,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161500983] [2022-02-09 02:02:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:48,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 02:02:48,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:48,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 02:02:48,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-09 02:02:48,785 INFO L87 Difference]: Start difference. First operand 547 states and 860 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) [2022-02-09 02:02:49,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:49,271 INFO L93 Difference]: Finished difference Result 611 states and 957 transitions. [2022-02-09 02:02:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:49,271 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 [2022-02-09 02:02:49,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:49,272 INFO L225 Difference]: With dead ends: 611 [2022-02-09 02:02:49,272 INFO L226 Difference]: Without dead ends: 556 [2022-02-09 02:02:49,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:02:49,272 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 153 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:49,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 578 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 02:02:49,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-02-09 02:02:49,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 544. [2022-02-09 02:02:49,276 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) [2022-02-09 02:02:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 854 transitions. [2022-02-09 02:02:49,277 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 854 transitions. Word has length 116 [2022-02-09 02:02:49,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:49,277 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 854 transitions. [2022-02-09 02:02:49,277 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) [2022-02-09 02:02:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 854 transitions. [2022-02-09 02:02:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:49,277 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:49,277 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:49,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-02-09 02:02:49,278 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:49,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1734341648, now seen corresponding path program 11 times [2022-02-09 02:02:49,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:49,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084307005] [2022-02-09 02:02:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:49,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:49,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:49,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084307005] [2022-02-09 02:02:49,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084307005] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:49,843 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:49,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:49,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944390993] [2022-02-09 02:02:49,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:49,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:49,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:49,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:49,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:49,844 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) [2022-02-09 02:02:50,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:50,306 INFO L93 Difference]: Finished difference Result 634 states and 1002 transitions. [2022-02-09 02:02:50,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:50,306 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 [2022-02-09 02:02:50,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:50,307 INFO L225 Difference]: With dead ends: 634 [2022-02-09 02:02:50,307 INFO L226 Difference]: Without dead ends: 553 [2022-02-09 02:02:50,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-09 02:02:50,307 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 202 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:50,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 419 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:50,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-02-09 02:02:50,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 541. [2022-02-09 02:02:50,311 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) [2022-02-09 02:02:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 848 transitions. [2022-02-09 02:02:50,312 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 848 transitions. Word has length 116 [2022-02-09 02:02:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:50,312 INFO L470 AbstractCegarLoop]: Abstraction has 541 states and 848 transitions. [2022-02-09 02:02:50,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:02:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 848 transitions. [2022-02-09 02:02:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:50,312 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:50,312 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:50,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-02-09 02:02:50,313 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:50,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:50,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1670894522, now seen corresponding path program 12 times [2022-02-09 02:02:50,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:50,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453874916] [2022-02-09 02:02:50,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:50,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:50,866 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:50,867 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453874916] [2022-02-09 02:02:50,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453874916] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:50,867 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:50,867 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:50,867 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155876610] [2022-02-09 02:02:50,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:50,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:50,867 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:50,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:50,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:50,867 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) [2022-02-09 02:02:51,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:51,292 INFO L93 Difference]: Finished difference Result 533 states and 830 transitions. [2022-02-09 02:02:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 02:02:51,293 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 [2022-02-09 02:02:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:51,293 INFO L225 Difference]: With dead ends: 533 [2022-02-09 02:02:51,293 INFO L226 Difference]: Without dead ends: 384 [2022-02-09 02:02:51,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:02:51,294 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 179 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:51,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 441 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:51,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-02-09 02:02:51,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 372. [2022-02-09 02:02:51,296 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) [2022-02-09 02:02:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 555 transitions. [2022-02-09 02:02:51,297 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 555 transitions. Word has length 116 [2022-02-09 02:02:51,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:51,297 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 555 transitions. [2022-02-09 02:02:51,297 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) [2022-02-09 02:02:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 555 transitions. [2022-02-09 02:02:51,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:51,297 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:51,297 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:51,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-02-09 02:02:51,298 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:51,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:51,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1771492386, now seen corresponding path program 11 times [2022-02-09 02:02:51,298 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:51,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036828335] [2022-02-09 02:02:51,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:51,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:52,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:52,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036828335] [2022-02-09 02:02:52,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036828335] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:52,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:52,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:52,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084749204] [2022-02-09 02:02:52,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:52,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:52,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:52,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:52,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:52,379 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) [2022-02-09 02:02:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:52,844 INFO L93 Difference]: Finished difference Result 364 states and 540 transitions. [2022-02-09 02:02:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 02:02:52,844 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 [2022-02-09 02:02:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:52,845 INFO L225 Difference]: With dead ends: 364 [2022-02-09 02:02:52,845 INFO L226 Difference]: Without dead ends: 339 [2022-02-09 02:02:52,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-09 02:02:52,845 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 124 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:52,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 326 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:52,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-02-09 02:02:52,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-02-09 02:02:52,848 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) [2022-02-09 02:02:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 515 transitions. [2022-02-09 02:02:52,848 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 515 transitions. Word has length 116 [2022-02-09 02:02:52,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:52,848 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 515 transitions. [2022-02-09 02:02:52,848 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) [2022-02-09 02:02:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 515 transitions. [2022-02-09 02:02:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:52,849 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:52,849 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:52,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-02-09 02:02:52,849 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:52,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:52,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1543685139, now seen corresponding path program 30 times [2022-02-09 02:02:52,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:52,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895060383] [2022-02-09 02:02:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:52,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:53,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:53,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895060383] [2022-02-09 02:02:53,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895060383] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:53,160 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:53,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:53,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206654611] [2022-02-09 02:02:53,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:53,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:53,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:53,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:53,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:53,160 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) [2022-02-09 02:02:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:53,619 INFO L93 Difference]: Finished difference Result 515 states and 781 transitions. [2022-02-09 02:02:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 02:02:53,619 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 [2022-02-09 02:02:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:53,620 INFO L225 Difference]: With dead ends: 515 [2022-02-09 02:02:53,620 INFO L226 Difference]: Without dead ends: 479 [2022-02-09 02:02:53,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2022-02-09 02:02:53,620 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 187 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:53,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 458 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:53,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-02-09 02:02:53,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 351. [2022-02-09 02:02:53,623 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) [2022-02-09 02:02:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 535 transitions. [2022-02-09 02:02:53,631 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 535 transitions. Word has length 116 [2022-02-09 02:02:53,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:53,632 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 535 transitions. [2022-02-09 02:02:53,632 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) [2022-02-09 02:02:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 535 transitions. [2022-02-09 02:02:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:53,632 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:53,632 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:53,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2022-02-09 02:02:53,632 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:53,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:53,633 INFO L85 PathProgramCache]: Analyzing trace with hash -16249973, now seen corresponding path program 31 times [2022-02-09 02:02:53,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:53,633 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521363711] [2022-02-09 02:02:53,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:53,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:54,077 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:54,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521363711] [2022-02-09 02:02:54,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521363711] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:54,077 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:54,077 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:54,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350032789] [2022-02-09 02:02:54,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:54,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:54,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:54,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:54,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:54,078 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) [2022-02-09 02:02:54,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:54,429 INFO L93 Difference]: Finished difference Result 559 states and 849 transitions. [2022-02-09 02:02:54,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:54,429 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 [2022-02-09 02:02:54,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:54,430 INFO L225 Difference]: With dead ends: 559 [2022-02-09 02:02:54,430 INFO L226 Difference]: Without dead ends: 525 [2022-02-09 02:02:54,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:02:54,430 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 150 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:54,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 462 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 02:02:54,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-02-09 02:02:54,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 354. [2022-02-09 02:02:54,433 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) [2022-02-09 02:02:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 542 transitions. [2022-02-09 02:02:54,433 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 542 transitions. Word has length 116 [2022-02-09 02:02:54,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:54,433 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 542 transitions. [2022-02-09 02:02:54,433 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) [2022-02-09 02:02:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 542 transitions. [2022-02-09 02:02:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:54,434 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:54,434 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:54,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2022-02-09 02:02:54,434 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:54,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:54,434 INFO L85 PathProgramCache]: Analyzing trace with hash -609113179, now seen corresponding path program 32 times [2022-02-09 02:02:54,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:54,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802174084] [2022-02-09 02:02:54,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:54,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:54,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:54,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802174084] [2022-02-09 02:02:54,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802174084] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:54,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:54,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:54,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338244490] [2022-02-09 02:02:54,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:54,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:54,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:54,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:54,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:54,989 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) [2022-02-09 02:02:55,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:55,290 INFO L93 Difference]: Finished difference Result 487 states and 726 transitions. [2022-02-09 02:02:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:55,291 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 [2022-02-09 02:02:55,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:55,291 INFO L225 Difference]: With dead ends: 487 [2022-02-09 02:02:55,291 INFO L226 Difference]: Without dead ends: 461 [2022-02-09 02:02:55,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:02:55,292 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 162 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:55,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 380 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:55,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-02-09 02:02:55,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 314. [2022-02-09 02:02:55,294 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) [2022-02-09 02:02:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 466 transitions. [2022-02-09 02:02:55,294 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 466 transitions. Word has length 116 [2022-02-09 02:02:55,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:55,295 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 466 transitions. [2022-02-09 02:02:55,295 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) [2022-02-09 02:02:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 466 transitions. [2022-02-09 02:02:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:55,295 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:55,295 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:55,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2022-02-09 02:02:55,295 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:55,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:55,296 INFO L85 PathProgramCache]: Analyzing trace with hash -66116567, now seen corresponding path program 33 times [2022-02-09 02:02:55,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:55,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763950352] [2022-02-09 02:02:55,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:55,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:55,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:55,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763950352] [2022-02-09 02:02:55,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763950352] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:55,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:55,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:55,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576452659] [2022-02-09 02:02:55,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:55,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:55,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:55,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:55,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:55,953 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) [2022-02-09 02:02:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:56,242 INFO L93 Difference]: Finished difference Result 430 states and 634 transitions. [2022-02-09 02:02:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:56,243 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 [2022-02-09 02:02:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:56,243 INFO L225 Difference]: With dead ends: 430 [2022-02-09 02:02:56,243 INFO L226 Difference]: Without dead ends: 355 [2022-02-09 02:02:56,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-09 02:02:56,244 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 172 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:56,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 327 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:56,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-02-09 02:02:56,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 314. [2022-02-09 02:02:56,246 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) [2022-02-09 02:02:56,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 465 transitions. [2022-02-09 02:02:56,246 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 465 transitions. Word has length 116 [2022-02-09 02:02:56,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:56,246 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 465 transitions. [2022-02-09 02:02:56,246 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) [2022-02-09 02:02:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 465 transitions. [2022-02-09 02:02:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:56,247 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:56,247 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:56,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2022-02-09 02:02:56,247 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:56,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:56,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1861073411, now seen corresponding path program 34 times [2022-02-09 02:02:56,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:56,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421285637] [2022-02-09 02:02:56,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:56,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:56,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:56,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421285637] [2022-02-09 02:02:56,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421285637] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:56,974 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:56,974 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:56,974 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015656780] [2022-02-09 02:02:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:56,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:56,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:56,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:56,975 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) [2022-02-09 02:02:57,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:57,313 INFO L93 Difference]: Finished difference Result 405 states and 593 transitions. [2022-02-09 02:02:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:57,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-09 02:02:57,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:57,314 INFO L225 Difference]: With dead ends: 405 [2022-02-09 02:02:57,314 INFO L226 Difference]: Without dead ends: 330 [2022-02-09 02:02:57,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-02-09 02:02:57,314 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 146 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:57,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 331 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-02-09 02:02:57,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 289. [2022-02-09 02:02:57,316 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) [2022-02-09 02:02:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 415 transitions. [2022-02-09 02:02:57,316 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 415 transitions. Word has length 116 [2022-02-09 02:02:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:57,317 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 415 transitions. [2022-02-09 02:02:57,317 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) [2022-02-09 02:02:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 415 transitions. [2022-02-09 02:02:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:57,317 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:57,317 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:57,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2022-02-09 02:02:57,317 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:57,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:57,318 INFO L85 PathProgramCache]: Analyzing trace with hash 946234371, now seen corresponding path program 35 times [2022-02-09 02:02:57,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:57,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614790220] [2022-02-09 02:02:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:57,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:58,263 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:58,263 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614790220] [2022-02-09 02:02:58,263 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614790220] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:58,263 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:58,263 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:58,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820411307] [2022-02-09 02:02:58,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:58,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:58,264 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:58,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:58,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:58,264 INFO L87 Difference]: Start difference. First operand 289 states and 415 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) [2022-02-09 02:02:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:02:58,713 INFO L93 Difference]: Finished difference Result 349 states and 487 transitions. [2022-02-09 02:02:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:02:58,713 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 [2022-02-09 02:02:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:02:58,714 INFO L225 Difference]: With dead ends: 349 [2022-02-09 02:02:58,714 INFO L226 Difference]: Without dead ends: 323 [2022-02-09 02:02:58,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:02:58,714 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 175 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:02:58,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 305 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:02:58,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-02-09 02:02:58,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 288. [2022-02-09 02:02:58,716 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) [2022-02-09 02:02:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 413 transitions. [2022-02-09 02:02:58,717 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 413 transitions. Word has length 116 [2022-02-09 02:02:58,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:02:58,717 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 413 transitions. [2022-02-09 02:02:58,717 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) [2022-02-09 02:02:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2022-02-09 02:02:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:02:58,717 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:02:58,717 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:02:58,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2022-02-09 02:02:58,717 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:02:58,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:02:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash 832623681, now seen corresponding path program 36 times [2022-02-09 02:02:58,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:02:58,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436339257] [2022-02-09 02:02:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:02:58,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:02:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:02:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:02:59,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:02:59,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436339257] [2022-02-09 02:02:59,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436339257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:02:59,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:02:59,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:02:59,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388913599] [2022-02-09 02:02:59,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:02:59,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:02:59,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:02:59,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:02:59,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:02:59,683 INFO L87 Difference]: Start difference. First operand 288 states and 413 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) [2022-02-09 02:03:00,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:03:00,064 INFO L93 Difference]: Finished difference Result 313 states and 437 transitions. [2022-02-09 02:03:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:03:00,065 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 [2022-02-09 02:03:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:03:00,065 INFO L225 Difference]: With dead ends: 313 [2022-02-09 02:03:00,065 INFO L226 Difference]: Without dead ends: 222 [2022-02-09 02:03:00,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-09 02:03:00,065 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 133 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 02:03:00,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 309 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 02:03:00,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-02-09 02:03:00,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-02-09 02:03:00,067 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) [2022-02-09 02:03:00,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 304 transitions. [2022-02-09 02:03:00,067 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 304 transitions. Word has length 116 [2022-02-09 02:03:00,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:03:00,067 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 304 transitions. [2022-02-09 02:03:00,068 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) [2022-02-09 02:03:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2022-02-09 02:03:00,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-09 02:03:00,068 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:03:00,068 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:03:00,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2022-02-09 02:03:00,068 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 02:03:00,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:03:00,068 INFO L85 PathProgramCache]: Analyzing trace with hash -242398841, now seen corresponding path program 37 times [2022-02-09 02:03:00,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:03:00,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064511197] [2022-02-09 02:03:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:03:00,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:03:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:03:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:03:00,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:03:00,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064511197] [2022-02-09 02:03:00,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064511197] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 02:03:00,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 02:03:00,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 02:03:00,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962480036] [2022-02-09 02:03:00,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 02:03:00,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 02:03:00,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:03:00,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 02:03:00,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-09 02:03:00,557 INFO L87 Difference]: Start difference. First operand 222 states and 304 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) [2022-02-09 02:03:00,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:03:00,826 INFO L93 Difference]: Finished difference Result 206 states and 273 transitions. [2022-02-09 02:03:00,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 02:03:00,827 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 [2022-02-09 02:03:00,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:03:00,827 INFO L225 Difference]: With dead ends: 206 [2022-02-09 02:03:00,827 INFO L226 Difference]: Without dead ends: 0 [2022-02-09 02:03:00,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-02-09 02:03:00,827 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 114 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 02:03:00,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 278 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 02:03:00,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-09 02:03:00,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-09 02:03:00,828 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) [2022-02-09 02:03:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-09 02:03:00,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-02-09 02:03:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:03:00,828 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-09 02:03:00,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:03:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-09 02:03:00,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-09 02:03:00,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-09 02:03:00,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-09 02:03:00,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-09 02:03:00,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-09 02:03:00,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-09 02:03:00,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-09 02:03:00,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-09 02:03:00,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2022-02-09 02:03:00,833 INFO L732 BasicCegarLoop]: Path program histogram: [37, 34, 31, 28, 23, 18, 13, 12, 11, 8, 7, 6, 5, 2, 2, 2, 2, 1, 1, 1, 1] [2022-02-09 02:03:00,836 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 02:03:00,836 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 02:03:00,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 02:03:00 BasicIcfg [2022-02-09 02:03:00,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 02:03:00,837 INFO L158 Benchmark]: Toolchain (without parser) took 272737.35ms. Allocated memory was 196.1MB in the beginning and 543.2MB in the end (delta: 347.1MB). Free memory was 143.6MB in the beginning and 348.2MB in the end (delta: -204.7MB). Peak memory consumption was 142.6MB. Max. memory is 8.0GB. [2022-02-09 02:03:00,837 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 196.1MB. Free memory was 161.6MB in the beginning and 161.5MB in the end (delta: 91.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 02:03:00,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.51ms. Allocated memory was 196.1MB in the beginning and 261.1MB in the end (delta: 65.0MB). Free memory was 143.4MB in the beginning and 221.3MB in the end (delta: -77.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 02:03:00,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.18ms. Allocated memory is still 261.1MB. Free memory was 221.3MB in the beginning and 218.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 02:03:00,837 INFO L158 Benchmark]: Boogie Preprocessor took 36.25ms. Allocated memory is still 261.1MB. Free memory was 218.7MB in the beginning and 216.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 02:03:00,838 INFO L158 Benchmark]: RCFGBuilder took 374.19ms. Allocated memory is still 261.1MB. Free memory was 216.6MB in the beginning and 201.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-09 02:03:00,838 INFO L158 Benchmark]: TraceAbstraction took 271850.75ms. Allocated memory was 261.1MB in the beginning and 543.2MB in the end (delta: 282.1MB). Free memory was 200.8MB in the beginning and 348.2MB in the end (delta: -147.4MB). Peak memory consumption was 135.2MB. Max. memory is 8.0GB. [2022-02-09 02:03:00,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 196.1MB. Free memory was 161.6MB in the beginning and 161.5MB in the end (delta: 91.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.51ms. Allocated memory was 196.1MB in the beginning and 261.1MB in the end (delta: 65.0MB). Free memory was 143.4MB in the beginning and 221.3MB in the end (delta: -77.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.18ms. Allocated memory is still 261.1MB. Free memory was 221.3MB in the beginning and 218.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.25ms. Allocated memory is still 261.1MB. Free memory was 218.7MB in the beginning and 216.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 374.19ms. Allocated memory is still 261.1MB. Free memory was 216.6MB in the beginning and 201.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 271850.75ms. Allocated memory was 261.1MB in the beginning and 543.2MB in the end (delta: 282.1MB). Free memory was 200.8MB in the beginning and 348.2MB in the end (delta: -147.4MB). Peak memory consumption was 135.2MB. 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: 271.7s, OverallIterations: 245, TraceHistogramMax: 10, PathProgramHistogramMax: 37, EmptinessCheckTime: 0.3s, AutomataDifference: 137.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55865 SdHoareTripleChecker+Valid, 86.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55865 mSDsluCounter, 147337 SdHoareTripleChecker+Invalid, 73.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112532 mSDsCounter, 13592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133032 IncrementalHoareTripleChecker+Invalid, 146624 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13592 mSolverCounterUnsat, 35194 mSDtfsCounter, 133032 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5543 GetRequests, 1187 SyntacticMatches, 452 SemanticMatches, 3904 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14206 ImplicationChecksByTransitivity, 83.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1848occurred in iteration=139, InterpolantAutomatonStates: 3106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 245 MinimizatonAttempts, 69945 StatesRemovedByMinimization, 238 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 123.8s InterpolantComputationTime, 27921 NumberOfCodeBlocks, 27871 NumberOfCodeBlocksAsserted, 250 NumberOfCheckSat, 27854 ConstructedInterpolants, 0 QuantifiedInterpolants, 462363 SizeOfPredicates, 22 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 253 InterpolantComputations, 242 PerfectInterpolantSequences, 56060/56583 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! [2022-02-09 02:03:00,869 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...