/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/04-mutex_44-malloc_sound.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:48:34,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:48:34,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:48:34,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:48:34,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 16:48:34,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 16:48:34,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 16:48:34,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 16:48:34,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 16:48:34,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 16:48:34,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 16:48:34,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 16:48:34,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 16:48:34,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 16:48:34,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 16:48:34,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 16:48:34,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-01 16:48:34,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-01 16:48:34,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-01 16:48:34,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-01 16:48:34,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-01 16:48:34,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-01 16:48:34,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:48:34,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:48:34,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:48:34,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:48:34,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:48:34,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:48:34,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:48:34,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:48:34,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:48:34,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:48:34,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:48:34,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:48:34,372 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:48:34,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:48:34,373 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:48:34,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:48:34,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:48:34,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:48:34,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:48:34,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:48:34,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:48:34,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:48:34,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:48:34,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:48:34,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:48:34,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:48:34,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:48:34,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:48:34,375 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:48:34,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:48:34,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:48:34,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:48:34,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:48:34,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:48:34,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:48:34,624 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:48:34,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-03-01 16:48:34,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5172d43/574e8c084ed741deb926a33ca8526fa2/FLAGa3b40edf1 [2022-03-01 16:48:35,117 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:48:35,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-03-01 16:48:35,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5172d43/574e8c084ed741deb926a33ca8526fa2/FLAGa3b40edf1 [2022-03-01 16:48:35,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5172d43/574e8c084ed741deb926a33ca8526fa2 [2022-03-01 16:48:35,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:48:35,461 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:48:35,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:48:35,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:48:35,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:48:35,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:48:35" (1/1) ... [2022-03-01 16:48:35,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677a1a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:35, skipping insertion in model container [2022-03-01 16:48:35,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:48:35" (1/1) ... [2022-03-01 16:48:35,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:48:35,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:48:35,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:48:35,917 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:48:35,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:48:36,030 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:48:36,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36 WrapperNode [2022-03-01 16:48:36,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:48:36,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:48:36,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:48:36,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:48:36,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,085 INFO L137 Inliner]: procedures = 263, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2022-03-01 16:48:36,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:48:36,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:48:36,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:48:36,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:48:36,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:48:36,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:48:36,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:48:36,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:48:36,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (1/1) ... [2022-03-01 16:48:36,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:48:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:36,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:48:36,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:48:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-03-01 16:48:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-03-01 16:48:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:48:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:48:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:48:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:48:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 16:48:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:48:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:48:36,204 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:48:36,296 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:48:36,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:48:36,444 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:48:36,450 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:48:36,450 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 16:48:36,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:48:36 BoogieIcfgContainer [2022-03-01 16:48:36,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:48:36,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:48:36,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:48:36,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:48:36,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:48:35" (1/3) ... [2022-03-01 16:48:36,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c6171d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:48:36, skipping insertion in model container [2022-03-01 16:48:36,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:36" (2/3) ... [2022-03-01 16:48:36,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c6171d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:48:36, skipping insertion in model container [2022-03-01 16:48:36,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:48:36" (3/3) ... [2022-03-01 16:48:36,460 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_44-malloc_sound.i [2022-03-01 16:48:36,464 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:48:36,464 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:48:36,464 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-03-01 16:48:36,464 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:48:36,526 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,527 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,527 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,527 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,527 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,528 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,528 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,528 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,528 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,529 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,529 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,529 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,530 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,530 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,530 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,531 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,531 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,531 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,531 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,531 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,532 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,532 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,532 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,532 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,533 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,533 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,533 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,533 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,534 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,534 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,534 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,534 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,538 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,538 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,538 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,538 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,539 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,539 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,539 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:36,541 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:48:36,578 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:48:36,586 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:48:36,587 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-03-01 16:48:36,596 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 92 transitions, 189 flow [2022-03-01 16:48:36,670 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 556 states, 539 states have (on average 1.9053803339517625) internal successors, (1027), 555 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 556 states, 539 states have (on average 1.9053803339517625) internal successors, (1027), 555 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-01 16:48:36,688 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:36,688 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] [2022-03-01 16:48:36,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:36,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:36,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1989740307, now seen corresponding path program 1 times [2022-03-01 16:48:36,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:36,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492070289] [2022-03-01 16:48:36,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:36,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:36,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:36,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492070289] [2022-03-01 16:48:36,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492070289] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:36,906 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:36,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:48:36,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717221250] [2022-03-01 16:48:36,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:36,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:48:36,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:36,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:48:36,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:48:36,944 INFO L87 Difference]: Start difference. First operand has 556 states, 539 states have (on average 1.9053803339517625) internal successors, (1027), 555 states have internal predecessors, (1027), 0 states have call successors, (0), 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 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:36,985 INFO L93 Difference]: Finished difference Result 556 states and 1026 transitions. [2022-03-01 16:48:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:48:36,988 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-03-01 16:48:36,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:37,008 INFO L225 Difference]: With dead ends: 556 [2022-03-01 16:48:37,008 INFO L226 Difference]: Without dead ends: 556 [2022-03-01 16:48:37,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:48:37,017 INFO L933 BasicCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:37,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:37,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-03-01 16:48:37,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 556. [2022-03-01 16:48:37,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 539 states have (on average 1.9035250463821893) internal successors, (1026), 555 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 1026 transitions. [2022-03-01 16:48:37,085 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 1026 transitions. Word has length 26 [2022-03-01 16:48:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:37,086 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 1026 transitions. [2022-03-01 16:48:37,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1026 transitions. [2022-03-01 16:48:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-01 16:48:37,087 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:37,087 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] [2022-03-01 16:48:37,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:48:37,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:37,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:37,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1793226802, now seen corresponding path program 1 times [2022-03-01 16:48:37,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:37,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20587047] [2022-03-01 16:48:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:37,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:37,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:37,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20587047] [2022-03-01 16:48:37,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20587047] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:37,171 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:37,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:48:37,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616329863] [2022-03-01 16:48:37,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:37,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:37,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:37,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:37,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:37,176 INFO L87 Difference]: Start difference. First operand 556 states and 1026 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:37,222 INFO L93 Difference]: Finished difference Result 565 states and 1035 transitions. [2022-03-01 16:48:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:37,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-03-01 16:48:37,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:37,226 INFO L225 Difference]: With dead ends: 565 [2022-03-01 16:48:37,226 INFO L226 Difference]: Without dead ends: 565 [2022-03-01 16:48:37,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:37,228 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 8 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:37,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 163 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:37,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2022-03-01 16:48:37,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 563. [2022-03-01 16:48:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 546 states have (on average 1.8919413919413919) internal successors, (1033), 562 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1033 transitions. [2022-03-01 16:48:37,255 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1033 transitions. Word has length 26 [2022-03-01 16:48:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:37,255 INFO L470 AbstractCegarLoop]: Abstraction has 563 states and 1033 transitions. [2022-03-01 16:48:37,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1033 transitions. [2022-03-01 16:48:37,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-03-01 16:48:37,260 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:37,260 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] [2022-03-01 16:48:37,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:48:37,261 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:37,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash -976068887, now seen corresponding path program 1 times [2022-03-01 16:48:37,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:37,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301284238] [2022-03-01 16:48:37,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:37,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:37,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:37,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301284238] [2022-03-01 16:48:37,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301284238] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:37,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278642010] [2022-03-01 16:48:37,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:37,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:37,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:37,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:37,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 16:48:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:37,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-01 16:48:37,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:48:37,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:48:37,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278642010] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:37,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:48:37,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-01 16:48:37,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540016899] [2022-03-01 16:48:37,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:37,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:37,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:37,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:37,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:37,594 INFO L87 Difference]: Start difference. First operand 563 states and 1033 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:37,626 INFO L93 Difference]: Finished difference Result 673 states and 1243 transitions. [2022-03-01 16:48:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:37,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-03-01 16:48:37,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:37,631 INFO L225 Difference]: With dead ends: 673 [2022-03-01 16:48:37,631 INFO L226 Difference]: Without dead ends: 673 [2022-03-01 16:48:37,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:37,633 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 39 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:37,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 193 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:37,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-03-01 16:48:37,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 569. [2022-03-01 16:48:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 553 states have (on average 1.8860759493670887) internal successors, (1043), 568 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 1043 transitions. [2022-03-01 16:48:37,651 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 1043 transitions. Word has length 36 [2022-03-01 16:48:37,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:37,651 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 1043 transitions. [2022-03-01 16:48:37,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1043 transitions. [2022-03-01 16:48:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-03-01 16:48:37,653 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:37,653 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:37,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:37,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:37,868 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:37,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:37,870 INFO L85 PathProgramCache]: Analyzing trace with hash -521851416, now seen corresponding path program 1 times [2022-03-01 16:48:37,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:37,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219992390] [2022-03-01 16:48:37,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:37,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:37,954 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:37,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219992390] [2022-03-01 16:48:37,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219992390] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:37,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783404895] [2022-03-01 16:48:37,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:37,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:37,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:37,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:37,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 16:48:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:38,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-01 16:48:38,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-01 16:48:38,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:48:38,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783404895] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:38,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:48:38,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-01 16:48:38,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719809571] [2022-03-01 16:48:38,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:38,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:38,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:38,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:38,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:38,097 INFO L87 Difference]: Start difference. First operand 569 states and 1043 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:38,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:38,124 INFO L93 Difference]: Finished difference Result 568 states and 1042 transitions. [2022-03-01 16:48:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:38,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-03-01 16:48:38,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:38,127 INFO L225 Difference]: With dead ends: 568 [2022-03-01 16:48:38,127 INFO L226 Difference]: Without dead ends: 568 [2022-03-01 16:48:38,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:38,130 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:38,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 167 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:38,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2022-03-01 16:48:38,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 568. [2022-03-01 16:48:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 553 states have (on average 1.8842676311030742) internal successors, (1042), 567 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 1042 transitions. [2022-03-01 16:48:38,147 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 1042 transitions. Word has length 36 [2022-03-01 16:48:38,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:38,148 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 1042 transitions. [2022-03-01 16:48:38,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1042 transitions. [2022-03-01 16:48:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-01 16:48:38,152 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:38,153 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:38,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:38,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-01 16:48:38,368 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:38,369 INFO L85 PathProgramCache]: Analyzing trace with hash 967991590, now seen corresponding path program 1 times [2022-03-01 16:48:38,369 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:38,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245771191] [2022-03-01 16:48:38,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:38,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:38,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:38,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245771191] [2022-03-01 16:48:38,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245771191] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:38,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228919301] [2022-03-01 16:48:38,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:38,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:38,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:38,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:38,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 16:48:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:38,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-01 16:48:38,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-01 16:48:38,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:48:38,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228919301] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:38,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:48:38,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-01 16:48:38,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653097540] [2022-03-01 16:48:38,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:38,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:38,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:38,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:38,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:38,595 INFO L87 Difference]: Start difference. First operand 568 states and 1042 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:38,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:38,609 INFO L93 Difference]: Finished difference Result 567 states and 1041 transitions. [2022-03-01 16:48:38,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:38,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-01 16:48:38,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:38,613 INFO L225 Difference]: With dead ends: 567 [2022-03-01 16:48:38,614 INFO L226 Difference]: Without dead ends: 567 [2022-03-01 16:48:38,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:38,615 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 1 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:38,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 165 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:38,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-03-01 16:48:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2022-03-01 16:48:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 553 states have (on average 1.8824593128390597) internal successors, (1041), 566 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 1041 transitions. [2022-03-01 16:48:38,630 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 1041 transitions. Word has length 37 [2022-03-01 16:48:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:38,630 INFO L470 AbstractCegarLoop]: Abstraction has 567 states and 1041 transitions. [2022-03-01 16:48:38,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1041 transitions. [2022-03-01 16:48:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-01 16:48:38,634 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:38,634 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] [2022-03-01 16:48:38,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:38,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:38,852 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:38,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:38,853 INFO L85 PathProgramCache]: Analyzing trace with hash 268340454, now seen corresponding path program 1 times [2022-03-01 16:48:38,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:38,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565288839] [2022-03-01 16:48:38,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:38,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:38,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:38,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565288839] [2022-03-01 16:48:38,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565288839] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:38,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529735410] [2022-03-01 16:48:38,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:38,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:38,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:38,929 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:38,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 16:48:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:38,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-01 16:48:38,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:48:39,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:48:39,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529735410] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:39,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:48:39,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-01 16:48:39,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074632860] [2022-03-01 16:48:39,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:39,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:39,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:39,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:39,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:39,074 INFO L87 Difference]: Start difference. First operand 567 states and 1041 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:39,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:39,103 INFO L93 Difference]: Finished difference Result 619 states and 1142 transitions. [2022-03-01 16:48:39,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:39,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-01 16:48:39,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:39,107 INFO L225 Difference]: With dead ends: 619 [2022-03-01 16:48:39,107 INFO L226 Difference]: Without dead ends: 619 [2022-03-01 16:48:39,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:39,109 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 25 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:39,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 179 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2022-03-01 16:48:39,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 579. [2022-03-01 16:48:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 566 states have (on average 1.8798586572438163) internal successors, (1064), 578 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1064 transitions. [2022-03-01 16:48:39,131 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1064 transitions. Word has length 41 [2022-03-01 16:48:39,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:39,133 INFO L470 AbstractCegarLoop]: Abstraction has 579 states and 1064 transitions. [2022-03-01 16:48:39,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1064 transitions. [2022-03-01 16:48:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-01 16:48:39,134 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:39,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:39,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:39,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:39,348 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:39,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:39,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1859173889, now seen corresponding path program 1 times [2022-03-01 16:48:39,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:39,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678711567] [2022-03-01 16:48:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:39,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:39,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:39,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678711567] [2022-03-01 16:48:39,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678711567] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:39,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435575603] [2022-03-01 16:48:39,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:39,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:39,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:39,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 16:48:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:39,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-01 16:48:39,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:48:39,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:48:39,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435575603] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:39,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:48:39,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-01 16:48:39,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272922621] [2022-03-01 16:48:39,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:39,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:39,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:39,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:39,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:39,536 INFO L87 Difference]: Start difference. First operand 579 states and 1064 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:39,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:39,562 INFO L93 Difference]: Finished difference Result 614 states and 1131 transitions. [2022-03-01 16:48:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:39,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 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 42 [2022-03-01 16:48:39,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:39,565 INFO L225 Difference]: With dead ends: 614 [2022-03-01 16:48:39,565 INFO L226 Difference]: Without dead ends: 614 [2022-03-01 16:48:39,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:39,566 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 20 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:39,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 173 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:39,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2022-03-01 16:48:39,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 584. [2022-03-01 16:48:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 573 states have (on average 1.8726003490401397) internal successors, (1073), 583 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 1073 transitions. [2022-03-01 16:48:39,579 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 1073 transitions. Word has length 42 [2022-03-01 16:48:39,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:39,580 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 1073 transitions. [2022-03-01 16:48:39,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1073 transitions. [2022-03-01 16:48:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-01 16:48:39,581 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:39,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:39,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:39,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:39,800 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:39,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:39,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1561109911, now seen corresponding path program 1 times [2022-03-01 16:48:39,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:39,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29979990] [2022-03-01 16:48:39,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:39,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:39,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:39,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29979990] [2022-03-01 16:48:39,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29979990] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:39,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434753016] [2022-03-01 16:48:39,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:39,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:39,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:39,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:39,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 16:48:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:39,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-01 16:48:39,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:48:39,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:48:39,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434753016] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:39,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:48:39,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-01 16:48:39,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378245148] [2022-03-01 16:48:39,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:39,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:39,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:39,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:39,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:39,978 INFO L87 Difference]: Start difference. First operand 584 states and 1073 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:39,986 INFO L93 Difference]: Finished difference Result 556 states and 1018 transitions. [2022-03-01 16:48:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-03-01 16:48:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:39,989 INFO L225 Difference]: With dead ends: 556 [2022-03-01 16:48:39,989 INFO L226 Difference]: Without dead ends: 444 [2022-03-01 16:48:39,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:39,990 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 29 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:39,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 189 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-03-01 16:48:39,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2022-03-01 16:48:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 437 states have (on average 1.7986270022883295) internal successors, (786), 443 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 786 transitions. [2022-03-01 16:48:40,001 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 786 transitions. Word has length 45 [2022-03-01 16:48:40,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:40,001 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 786 transitions. [2022-03-01 16:48:40,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 786 transitions. [2022-03-01 16:48:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-03-01 16:48:40,002 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:40,002 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, 1, 1, 1, 1] [2022-03-01 16:48:40,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:40,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:40,206 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:40,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:40,206 INFO L85 PathProgramCache]: Analyzing trace with hash 549388844, now seen corresponding path program 1 times [2022-03-01 16:48:40,206 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:40,207 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476594971] [2022-03-01 16:48:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:40,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:40,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476594971] [2022-03-01 16:48:40,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476594971] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:40,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010263600] [2022-03-01 16:48:40,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:40,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:40,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:40,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:40,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 16:48:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:40,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:48:40,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:40,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:48:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:40,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010263600] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:48:40,480 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:48:40,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:48:40,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991070484] [2022-03-01 16:48:40,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:48:40,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:48:40,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:40,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:48:40,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:48:40,481 INFO L87 Difference]: Start difference. First operand 444 states and 786 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:40,556 INFO L93 Difference]: Finished difference Result 461 states and 804 transitions. [2022-03-01 16:48:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:48:40,557 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) 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 46 [2022-03-01 16:48:40,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:40,559 INFO L225 Difference]: With dead ends: 461 [2022-03-01 16:48:40,559 INFO L226 Difference]: Without dead ends: 461 [2022-03-01 16:48:40,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:48:40,560 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 51 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:40,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 442 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:40,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-03-01 16:48:40,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 459. [2022-03-01 16:48:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 452 states have (on average 1.7743362831858407) internal successors, (802), 458 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 802 transitions. [2022-03-01 16:48:40,590 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 802 transitions. Word has length 46 [2022-03-01 16:48:40,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:40,590 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 802 transitions. [2022-03-01 16:48:40,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 802 transitions. [2022-03-01 16:48:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 16:48:40,591 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:40,592 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-03-01 16:48:40,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:40,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:40,807 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:40,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:40,807 INFO L85 PathProgramCache]: Analyzing trace with hash 18346970, now seen corresponding path program 2 times [2022-03-01 16:48:40,807 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:40,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012286036] [2022-03-01 16:48:40,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:40,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-01 16:48:40,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:40,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012286036] [2022-03-01 16:48:40,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012286036] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:40,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:40,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:48:40,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515817464] [2022-03-01 16:48:40,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:40,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 16:48:40,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:40,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 16:48:40,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-01 16:48:40,900 INFO L87 Difference]: Start difference. First operand 459 states and 802 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:40,960 INFO L93 Difference]: Finished difference Result 1097 states and 1903 transitions. [2022-03-01 16:48:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:48:40,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-03-01 16:48:40,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:40,965 INFO L225 Difference]: With dead ends: 1097 [2022-03-01 16:48:40,965 INFO L226 Difference]: Without dead ends: 1097 [2022-03-01 16:48:40,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:48:40,967 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 227 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:40,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 452 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-03-01 16:48:40,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 548. [2022-03-01 16:48:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 540 states have (on average 1.7351851851851852) internal successors, (937), 547 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 937 transitions. [2022-03-01 16:48:40,984 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 937 transitions. Word has length 66 [2022-03-01 16:48:40,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:40,984 INFO L470 AbstractCegarLoop]: Abstraction has 548 states and 937 transitions. [2022-03-01 16:48:40,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 937 transitions. [2022-03-01 16:48:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 16:48:40,985 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:40,985 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-03-01 16:48:40,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 16:48:40,986 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:40,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash -586814751, now seen corresponding path program 1 times [2022-03-01 16:48:40,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:40,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132881381] [2022-03-01 16:48:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:40,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-01 16:48:41,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:41,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132881381] [2022-03-01 16:48:41,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132881381] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:41,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:41,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:48:41,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192659710] [2022-03-01 16:48:41,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:41,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:48:41,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:41,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:48:41,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:41,033 INFO L87 Difference]: Start difference. First operand 548 states and 937 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:41,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:41,040 INFO L93 Difference]: Finished difference Result 524 states and 891 transitions. [2022-03-01 16:48:41,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:48:41,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-03-01 16:48:41,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:41,042 INFO L225 Difference]: With dead ends: 524 [2022-03-01 16:48:41,042 INFO L226 Difference]: Without dead ends: 291 [2022-03-01 16:48:41,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:48:41,043 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 27 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:41,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 177 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:41,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-03-01 16:48:41,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2022-03-01 16:48:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 283 states have (on average 1.5229681978798586) internal successors, (431), 286 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 431 transitions. [2022-03-01 16:48:41,049 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 431 transitions. Word has length 66 [2022-03-01 16:48:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:41,050 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 431 transitions. [2022-03-01 16:48:41,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 431 transitions. [2022-03-01 16:48:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-01 16:48:41,050 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:41,051 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-03-01 16:48:41,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:48:41,051 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:41,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:41,051 INFO L85 PathProgramCache]: Analyzing trace with hash -689199882, now seen corresponding path program 1 times [2022-03-01 16:48:41,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:41,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014824622] [2022-03-01 16:48:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:41,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-03-01 16:48:41,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:41,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014824622] [2022-03-01 16:48:41,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014824622] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:41,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393105430] [2022-03-01 16:48:41,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:41,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:41,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:41,144 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:41,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-01 16:48:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:41,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-01 16:48:41,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-03-01 16:48:41,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:48:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-03-01 16:48:41,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393105430] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:48:41,502 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:48:41,502 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-03-01 16:48:41,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929477478] [2022-03-01 16:48:41,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:48:41,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 16:48:41,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:41,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 16:48:41,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-01 16:48:41,504 INFO L87 Difference]: Start difference. First operand 287 states and 431 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:41,558 INFO L93 Difference]: Finished difference Result 299 states and 443 transitions. [2022-03-01 16:48:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:48:41,558 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-03-01 16:48:41,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:41,560 INFO L225 Difference]: With dead ends: 299 [2022-03-01 16:48:41,560 INFO L226 Difference]: Without dead ends: 299 [2022-03-01 16:48:41,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:48:41,560 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 11 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:41,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 389 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-03-01 16:48:41,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2022-03-01 16:48:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 293 states have (on average 1.5051194539249146) internal successors, (441), 296 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 441 transitions. [2022-03-01 16:48:41,566 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 441 transitions. Word has length 81 [2022-03-01 16:48:41,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:41,567 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 441 transitions. [2022-03-01 16:48:41,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:41,567 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 441 transitions. [2022-03-01 16:48:41,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-03-01 16:48:41,572 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:41,572 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:41,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:41,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-01 16:48:41,796 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:41,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1197882463, now seen corresponding path program 2 times [2022-03-01 16:48:41,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:41,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086275850] [2022-03-01 16:48:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-01 16:48:41,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:41,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086275850] [2022-03-01 16:48:41,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086275850] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:41,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131644510] [2022-03-01 16:48:41,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:48:41,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:41,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:41,862 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:41,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-01 16:48:41,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 16:48:41,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:48:41,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-01 16:48:41,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-01 16:48:42,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:48:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-01 16:48:42,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131644510] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:48:42,238 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:48:42,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-03-01 16:48:42,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608865547] [2022-03-01 16:48:42,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:48:42,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:48:42,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:42,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:48:42,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:48:42,240 INFO L87 Difference]: Start difference. First operand 297 states and 441 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:42,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:42,361 INFO L93 Difference]: Finished difference Result 345 states and 494 transitions. [2022-03-01 16:48:42,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:48:42,361 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-03-01 16:48:42,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:42,362 INFO L225 Difference]: With dead ends: 345 [2022-03-01 16:48:42,363 INFO L226 Difference]: Without dead ends: 345 [2022-03-01 16:48:42,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=270, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:48:42,363 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 86 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:42,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 379 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:48:42,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-03-01 16:48:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 327. [2022-03-01 16:48:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 323 states have (on average 1.4674922600619196) internal successors, (474), 326 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 474 transitions. [2022-03-01 16:48:42,383 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 474 transitions. Word has length 91 [2022-03-01 16:48:42,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:42,384 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 474 transitions. [2022-03-01 16:48:42,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 474 transitions. [2022-03-01 16:48:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-03-01 16:48:42,385 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:42,385 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:42,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:42,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-01 16:48:42,611 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:42,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:42,612 INFO L85 PathProgramCache]: Analyzing trace with hash -672920133, now seen corresponding path program 1 times [2022-03-01 16:48:42,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:42,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271318639] [2022-03-01 16:48:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:42,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 87 proven. 51 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:48:42,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:42,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271318639] [2022-03-01 16:48:42,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271318639] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:42,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097139236] [2022-03-01 16:48:42,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:42,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:42,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:42,694 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:42,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-01 16:48:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:42,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:48:42,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 87 proven. 51 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:48:42,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:48:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 87 proven. 51 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:48:43,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097139236] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:48:43,182 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:48:43,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2022-03-01 16:48:43,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073791825] [2022-03-01 16:48:43,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:48:43,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-01 16:48:43,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:43,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-01 16:48:43,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:48:43,184 INFO L87 Difference]: Start difference. First operand 327 states and 474 transitions. Second operand has 17 states, 17 states have (on average 7.647058823529412) internal successors, (130), 17 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:43,362 INFO L93 Difference]: Finished difference Result 339 states and 486 transitions. [2022-03-01 16:48:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:48:43,363 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.647058823529412) internal successors, (130), 17 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-03-01 16:48:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:43,364 INFO L225 Difference]: With dead ends: 339 [2022-03-01 16:48:43,364 INFO L226 Difference]: Without dead ends: 339 [2022-03-01 16:48:43,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2022-03-01 16:48:43,365 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 25 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:43,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 634 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:48:43,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-03-01 16:48:43,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 336. [2022-03-01 16:48:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 332 states have (on average 1.4548192771084338) internal successors, (483), 335 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 483 transitions. [2022-03-01 16:48:43,372 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 483 transitions. Word has length 101 [2022-03-01 16:48:43,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:43,373 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 483 transitions. [2022-03-01 16:48:43,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.647058823529412) internal successors, (130), 17 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 483 transitions. [2022-03-01 16:48:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-01 16:48:43,374 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:43,374 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-03-01 16:48:43,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:43,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-03-01 16:48:43,598 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:43,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash 508442244, now seen corresponding path program 3 times [2022-03-01 16:48:43,599 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:43,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095356532] [2022-03-01 16:48:43,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:43,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 160 proven. 80 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-01 16:48:43,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:43,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095356532] [2022-03-01 16:48:43,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095356532] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:48:43,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169638425] [2022-03-01 16:48:43,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 16:48:43,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:48:43,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:43,731 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:48:43,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-01 16:48:43,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-03-01 16:48:43,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:48:43,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-01 16:48:43,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:48:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 135 proven. 18 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-03-01 16:48:44,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:48:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 135 proven. 18 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-03-01 16:48:44,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169638425] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:48:44,274 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:48:44,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 20 [2022-03-01 16:48:44,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791017909] [2022-03-01 16:48:44,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:48:44,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:48:44,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:44,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:48:44,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:48:44,276 INFO L87 Difference]: Start difference. First operand 336 states and 483 transitions. Second operand has 20 states, 20 states have (on average 6.35) internal successors, (127), 20 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:44,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:44,580 INFO L93 Difference]: Finished difference Result 361 states and 511 transitions. [2022-03-01 16:48:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:48:44,581 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.35) internal successors, (127), 20 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-03-01 16:48:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:44,582 INFO L225 Difference]: With dead ends: 361 [2022-03-01 16:48:44,582 INFO L226 Difference]: Without dead ends: 361 [2022-03-01 16:48:44,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 230 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=440, Invalid=1042, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:48:44,585 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 310 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:44,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 711 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:48:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-03-01 16:48:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 346. [2022-03-01 16:48:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 342 states have (on average 1.4473684210526316) internal successors, (495), 345 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 495 transitions. [2022-03-01 16:48:44,593 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 495 transitions. Word has length 121 [2022-03-01 16:48:44,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:44,594 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 495 transitions. [2022-03-01 16:48:44,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.35) internal successors, (127), 20 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 495 transitions. [2022-03-01 16:48:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-03-01 16:48:44,595 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:44,596 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:44,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-01 16:48:44,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-01 16:48:44,811 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-01 16:48:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:44,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1913252312, now seen corresponding path program 1 times [2022-03-01 16:48:44,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:44,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255228664] [2022-03-01 16:48:44,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:44,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:48:44,871 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:48:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:48:44,960 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:48:44,960 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:48:44,961 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-03-01 16:48:44,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-03-01 16:48:44,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-03-01 16:48:44,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-03-01 16:48:44,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-03-01 16:48:44,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-03-01 16:48:44,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-03-01 16:48:44,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-03-01 16:48:44,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 12 remaining) [2022-03-01 16:48:44,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-03-01 16:48:44,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-03-01 16:48:44,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-03-01 16:48:44,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 16:48:44,967 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:48:44,973 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:48:44,973 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:48:45,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:48:45 BasicIcfg [2022-03-01 16:48:45,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:48:45,071 INFO L158 Benchmark]: Toolchain (without parser) took 9610.01ms. Allocated memory was 178.3MB in the beginning and 300.9MB in the end (delta: 122.7MB). Free memory was 118.8MB in the beginning and 219.3MB in the end (delta: -100.5MB). Peak memory consumption was 22.9MB. Max. memory is 8.0GB. [2022-03-01 16:48:45,071 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:48:45,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.54ms. Allocated memory was 178.3MB in the beginning and 250.6MB in the end (delta: 72.4MB). Free memory was 118.6MB in the beginning and 206.4MB in the end (delta: -87.8MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. [2022-03-01 16:48:45,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.70ms. Allocated memory is still 250.6MB. Free memory was 206.4MB in the beginning and 204.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:48:45,073 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 250.6MB. Free memory was 204.3MB in the beginning and 202.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:48:45,073 INFO L158 Benchmark]: RCFGBuilder took 330.13ms. Allocated memory is still 250.6MB. Free memory was 202.7MB in the beginning and 189.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 16:48:45,073 INFO L158 Benchmark]: TraceAbstraction took 8616.84ms. Allocated memory was 250.6MB in the beginning and 300.9MB in the end (delta: 50.3MB). Free memory was 189.1MB in the beginning and 219.3MB in the end (delta: -30.2MB). Peak memory consumption was 21.2MB. Max. memory is 8.0GB. [2022-03-01 16:48:45,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 570.54ms. Allocated memory was 178.3MB in the beginning and 250.6MB in the end (delta: 72.4MB). Free memory was 118.6MB in the beginning and 206.4MB in the end (delta: -87.8MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.70ms. Allocated memory is still 250.6MB. Free memory was 206.4MB in the beginning and 204.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 250.6MB. Free memory was 204.3MB in the beginning and 202.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 330.13ms. Allocated memory is still 250.6MB. Free memory was 202.7MB in the beginning and 189.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8616.84ms. Allocated memory was 250.6MB in the beginning and 300.9MB in the end (delta: 50.3MB). Free memory was 189.1MB in the beginning and 219.3MB in the end (delta: -30.2MB). Peak memory consumption was 21.2MB. 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 - DataRaceFoundResult [Line: 1009]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t *p, *q; VAL [glob=0, p={0:0}, q={0:0}] [L996] 0 pthread_t t1, t2; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L997] 0 int i; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L998] 0 pthread_mutex_t *a; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i=0 VAL [glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-2:0}, glob=0, i=0, malloc(sizeof(pthread_mutex_t))={-2:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-3:0}, glob=0, i=1, malloc(sizeof(pthread_mutex_t))={-3:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-4:0}, glob=0, i=2, malloc(sizeof(pthread_mutex_t))={-4:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-5:0}, glob=0, i=3, malloc(sizeof(pthread_mutex_t))={-5:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND TRUE 0 i==3 VAL [a={-5:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L1003] 0 p = a VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-6:0}, glob=0, i=4, malloc(sizeof(pthread_mutex_t))={-6:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-7:0}, glob=0, i=5, malloc(sizeof(pthread_mutex_t))={-7:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-8:0}, glob=0, i=6, malloc(sizeof(pthread_mutex_t))={-8:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-9:0}, glob=0, i=7, malloc(sizeof(pthread_mutex_t))={-9:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND TRUE 0 i==7 VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1005] 0 q = a VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-10:0}, glob=0, i=8, malloc(sizeof(pthread_mutex_t))={-10:0}, p={-5:0}, q={-9:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-11:0}, glob=0, i=9, malloc(sizeof(pthread_mutex_t))={-11:0}, p={-5:0}, q={-9:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND FALSE 0 !(i < 10) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}] [L1007] FCALL, FORK 0 pthread_create(&t1, 0, f, 0) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, pthread_create(&t1, 0, f, 0)=-1, q={-9:0}, t1={2:0}, x={0:0}] [L991] 1 glob++ VAL [glob=0, p={-5:0}, q={-9:0}, x={0:0}, x={0:0}] [L1009] 0 glob++ VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}, x={0:0}, x={0:0}] [L991] 1 glob++ VAL [glob=1, glob++=0, glob++=25, p={-5:0}, q={-9:0}, x={0:0}, x={0:0}] [L1009] 0 glob++ VAL [a={-11:0}, glob=1, glob++=0, glob++=25, i=10, p={-5:0}, q={-9:0}, t1={2:0}, x={0:0}, x={0:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [1009] - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 992]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1003]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1005]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1009]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1007]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 16, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 860 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 860 mSDsluCounter, 4502 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3167 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 569 IncrementalHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 1374 mSDtfsCounter, 569 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1236 GetRequests, 1090 SyntacticMatches, 7 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=584occurred in iteration=7, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 769 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1684 NumberOfCodeBlocks, 1629 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1947 ConstructedInterpolants, 0 QuantifiedInterpolants, 3273 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1712 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 31 InterpolantComputations, 10 PerfectInterpolantSequences, 1572/1942 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-01 16:48:45,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...