/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.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/weaver/bench-exp2x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-95ec559 [2023-01-11 19:36:17,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-11 19:36:17,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-11 19:36:17,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-01-11 19:36:17,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-11 19:36:17,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-11 19:36:17,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-11 19:36:17,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-11 19:36:17,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-11 19:36:17,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-11 19:36:17,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-11 19:36:17,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-11 19:36:17,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-11 19:36:17,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-11 19:36:17,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-11 19:36:17,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-11 19:36:17,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-11 19:36:17,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-11 19:36:17,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-11 19:36:17,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-11 19:36:17,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf [2023-01-11 19:36:17,361 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-11 19:36:17,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-11 19:36:17,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-11 19:36:17,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-11 19:36:17,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-11 19:36:17,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-11 19:36:17,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-11 19:36:17,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-11 19:36:17,363 INFO L138 SettingsManager]: * Use SBE=true [2023-01-11 19:36:17,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-11 19:36:17,364 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-11 19:36:17,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-11 19:36:17,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-11 19:36:17,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-11 19:36:17,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-11 19:36:17,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-11 19:36:17,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-11 19:36:17,365 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-11 19:36:17,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-11 19:36:17,365 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-11 19:36:17,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-11 19:36:17,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-11 19:36:17,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-11 19:36:17,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-11 19:36:17,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-11 19:36:17,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 19:36:17,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-11 19:36:17,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-11 19:36:17,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-11 19:36:17,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-11 19:36:17,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-11 19:36:17,367 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-11 19:36:17,367 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-11 19:36:17,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-11 19:36:17,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-11 19:36:17,368 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-11 19:36:17,368 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-11 19:36:17,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-11 19:36:17,368 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2023-01-11 19:36:17,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-11 19:36:17,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-11 19:36:17,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-11 19:36:17,543 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-11 19:36:17,543 INFO L275 PluginConnector]: CDTParser initialized [2023-01-11 19:36:17,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c [2023-01-11 19:36:18,504 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-11 19:36:18,710 INFO L351 CDTParser]: Found 1 translation units. [2023-01-11 19:36:18,711 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c [2023-01-11 19:36:18,730 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6967336/618bf92cb81147c4ae6a659f23d27c1b/FLAG5591a085d [2023-01-11 19:36:18,750 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6967336/618bf92cb81147c4ae6a659f23d27c1b [2023-01-11 19:36:18,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-11 19:36:18,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-11 19:36:18,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-11 19:36:18,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-11 19:36:18,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-11 19:36:18,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:18,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffebf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18, skipping insertion in model container [2023-01-11 19:36:18,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:18,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-11 19:36:18,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-11 19:36:18,934 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c[2237,2250] [2023-01-11 19:36:18,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 19:36:18,948 INFO L203 MainTranslator]: Completed pre-run [2023-01-11 19:36:18,987 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c[2237,2250] [2023-01-11 19:36:18,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 19:36:18,998 INFO L208 MainTranslator]: Completed translation [2023-01-11 19:36:18,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18 WrapperNode [2023-01-11 19:36:18,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-11 19:36:19,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-11 19:36:19,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-11 19:36:19,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-11 19:36:19,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,025 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-01-11 19:36:19,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-11 19:36:19,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-11 19:36:19,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-11 19:36:19,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-11 19:36:19,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-11 19:36:19,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-11 19:36:19,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-11 19:36:19,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-11 19:36:19,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (1/1) ... [2023-01-11 19:36:19,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 19:36:19,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,092 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) [2023-01-11 19:36:19,097 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 [2023-01-11 19:36:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-11 19:36:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-11 19:36:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-11 19:36:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-11 19:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-11 19:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-11 19:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-11 19:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-01-11 19:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-01-11 19:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-11 19:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-11 19:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-11 19:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-11 19:36:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-11 19:36:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-11 19:36:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-11 19:36:19,119 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-11 19:36:19,223 INFO L236 CfgBuilder]: Building ICFG [2023-01-11 19:36:19,225 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-11 19:36:19,563 INFO L277 CfgBuilder]: Performing block encoding [2023-01-11 19:36:19,570 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-11 19:36:19,570 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-01-11 19:36:19,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 07:36:19 BoogieIcfgContainer [2023-01-11 19:36:19,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-11 19:36:19,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-11 19:36:19,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-11 19:36:19,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-11 19:36:19,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 07:36:18" (1/3) ... [2023-01-11 19:36:19,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e1a0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 07:36:19, skipping insertion in model container [2023-01-11 19:36:19,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:36:18" (2/3) ... [2023-01-11 19:36:19,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e1a0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 07:36:19, skipping insertion in model container [2023-01-11 19:36:19,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 07:36:19" (3/3) ... [2023-01-11 19:36:19,577 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2023-01-11 19:36:19,582 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-11 19:36:19,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-11 19:36:19,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2023-01-11 19:36:19,589 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-11 19:36:19,663 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-01-11 19:36:19,694 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-01-11 19:36:19,720 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,727 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,727 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,727 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err0ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,736 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,740 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,747 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,748 INFO L307 ceAbstractionStarter]: Result for error location thread1Err0ASSERT_VIOLATIONDATA_RACE was SAFE (1/63) [2023-01-11 19:36:19,755 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,758 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-01-11 19:36:19,761 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,762 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,762 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,762 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err1ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,763 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,763 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,765 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,766 INFO L307 ceAbstractionStarter]: Result for error location thread1Err1ASSERT_VIOLATIONDATA_RACE was SAFE (2/63) [2023-01-11 19:36:19,770 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-01-11 19:36:19,782 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,783 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,783 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,783 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err2ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,784 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,784 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,786 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,786 INFO L307 ceAbstractionStarter]: Result for error location thread1Err2ASSERT_VIOLATIONDATA_RACE was SAFE (3/63) [2023-01-11 19:36:19,790 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2023-01-11 19:36:19,804 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,805 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,805 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,806 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err3ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,806 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,806 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,808 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,808 INFO L307 ceAbstractionStarter]: Result for error location thread1Err3ASSERT_VIOLATIONDATA_RACE was SAFE (4/63) [2023-01-11 19:36:19,817 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2023-01-11 19:36:19,823 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,824 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,825 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,825 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err4ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,825 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,825 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,826 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,827 INFO L307 ceAbstractionStarter]: Result for error location thread1Err4ASSERT_VIOLATIONDATA_RACE was SAFE (5/63) [2023-01-11 19:36:19,830 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,843 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,862 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,862 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,863 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,863 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err0ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,863 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,863 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,864 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,864 INFO L307 ceAbstractionStarter]: Result for error location thread2Err0ASSERT_VIOLATIONDATA_RACE was SAFE (6/63) [2023-01-11 19:36:19,867 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,871 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2023-01-11 19:36:19,878 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,879 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,879 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,879 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err1ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,879 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,880 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,880 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,881 INFO L307 ceAbstractionStarter]: Result for error location thread2Err1ASSERT_VIOLATIONDATA_RACE was SAFE (7/63) [2023-01-11 19:36:19,883 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2023-01-11 19:36:19,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2023-01-11 19:36:19,912 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,913 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,913 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,913 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err2ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,913 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,913 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,914 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,915 INFO L307 ceAbstractionStarter]: Result for error location thread2Err2ASSERT_VIOLATIONDATA_RACE was SAFE (8/63) [2023-01-11 19:36:19,917 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,924 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2023-01-11 19:36:19,927 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,928 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,928 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,928 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err3ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,929 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,929 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,929 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,930 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,930 INFO L307 ceAbstractionStarter]: Result for error location thread2Err3ASSERT_VIOLATIONDATA_RACE was SAFE (9/63) [2023-01-11 19:36:19,932 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,941 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,946 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,947 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,947 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,947 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err4ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,947 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,947 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,948 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,949 INFO L307 ceAbstractionStarter]: Result for error location thread2Err4ASSERT_VIOLATIONDATA_RACE was SAFE (10/63) [2023-01-11 19:36:19,951 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2023-01-11 19:36:19,958 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,969 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,970 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,970 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,970 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,970 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,971 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,971 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,973 INFO L307 ceAbstractionStarter]: Result for error location thread3Err0ASSERT_VIOLATIONDATA_RACE was SAFE (11/63) [2023-01-11 19:36:19,976 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,980 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2023-01-11 19:36:19,983 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,984 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,984 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,984 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err1ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,984 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,985 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:19,985 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:19,986 INFO L307 ceAbstractionStarter]: Result for error location thread3Err1ASSERT_VIOLATIONDATA_RACE was SAFE (12/63) [2023-01-11 19:36:19,988 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:19,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:19,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2023-01-11 19:36:19,994 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:19,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2023-01-11 19:36:19,998 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,998 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:19,998 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:19,998 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:19,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err2ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:19,999 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:19,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:19,999 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:19,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,000 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:20,000 INFO L307 ceAbstractionStarter]: Result for error location thread3Err2ASSERT_VIOLATIONDATA_RACE was SAFE (13/63) [2023-01-11 19:36:20,003 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,006 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,016 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,016 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,016 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,017 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err3ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,017 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,017 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:20,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,018 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:20,018 INFO L307 ceAbstractionStarter]: Result for error location thread3Err3ASSERT_VIOLATIONDATA_RACE was SAFE (14/63) [2023-01-11 19:36:20,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Waiting until timeout for monitored process [2023-01-11 19:36:20,021 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,031 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2023-01-11 19:36:20,034 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,035 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,035 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,035 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err4ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,036 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,036 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,036 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-11 19:36:20,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,037 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-11 19:36:20,037 INFO L307 ceAbstractionStarter]: Result for error location thread3Err4ASSERT_VIOLATIONDATA_RACE was SAFE (15/63) [2023-01-11 19:36:20,040 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,045 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2023-01-11 19:36:20,048 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,048 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,048 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,048 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,049 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,074 INFO L85 PathProgramCache]: Analyzing trace with hash -92464084, now seen corresponding path program 1 times [2023-01-11 19:36:20,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827174764] [2023-01-11 19:36:20,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827174764] [2023-01-11 19:36:20,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827174764] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839899022] [2023-01-11 19:36:20,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,277 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-11 19:36:20,299 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,299 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE was SAFE (16/63) [2023-01-11 19:36:20,302 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,305 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2023-01-11 19:36:20,308 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,309 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,309 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,309 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,309 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1087851583, now seen corresponding path program 1 times [2023-01-11 19:36:20,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576359510] [2023-01-11 19:36:20,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576359510] [2023-01-11 19:36:20,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576359510] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103469975] [2023-01-11 19:36:20,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-11 19:36:20,410 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,410 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE was SAFE (17/63) [2023-01-11 19:36:20,413 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,415 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (19)] Waiting until timeout for monitored process [2023-01-11 19:36:20,419 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,420 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,420 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,420 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,420 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,420 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,428 INFO L85 PathProgramCache]: Analyzing trace with hash 279240993, now seen corresponding path program 1 times [2023-01-11 19:36:20,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281041943] [2023-01-11 19:36:20,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281041943] [2023-01-11 19:36:20,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281041943] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327772544] [2023-01-11 19:36:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-11 19:36:20,469 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,470 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE was SAFE (18/63) [2023-01-11 19:36:20,471 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,476 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2023-01-11 19:36:20,486 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,487 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,487 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,487 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,487 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,497 INFO L85 PathProgramCache]: Analyzing trace with hash 908373558, now seen corresponding path program 1 times [2023-01-11 19:36:20,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263653083] [2023-01-11 19:36:20,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263653083] [2023-01-11 19:36:20,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263653083] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840758603] [2023-01-11 19:36:20,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-11 19:36:20,567 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,567 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE was SAFE (19/63) [2023-01-11 19:36:20,569 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,572 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (21)] Waiting until timeout for monitored process [2023-01-11 19:36:20,574 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,575 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,575 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,575 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,575 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,583 INFO L85 PathProgramCache]: Analyzing trace with hash -563289707, now seen corresponding path program 1 times [2023-01-11 19:36:20,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294406802] [2023-01-11 19:36:20,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294406802] [2023-01-11 19:36:20,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294406802] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327662624] [2023-01-11 19:36:20,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-11 19:36:20,639 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,639 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE was SAFE (20/63) [2023-01-11 19:36:20,641 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,645 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,659 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,660 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,660 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,660 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,660 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (22)] Waiting until timeout for monitored process [2023-01-11 19:36:20,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,685 INFO L85 PathProgramCache]: Analyzing trace with hash 876350056, now seen corresponding path program 1 times [2023-01-11 19:36:20,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817953045] [2023-01-11 19:36:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817953045] [2023-01-11 19:36:20,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817953045] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532596988] [2023-01-11 19:36:20,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-11 19:36:20,760 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,760 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE was SAFE (21/63) [2023-01-11 19:36:20,762 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,767 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (23)] Waiting until timeout for monitored process [2023-01-11 19:36:20,771 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,771 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,771 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,771 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,772 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,789 INFO L85 PathProgramCache]: Analyzing trace with hash 358826313, now seen corresponding path program 1 times [2023-01-11 19:36:20,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384858611] [2023-01-11 19:36:20,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384858611] [2023-01-11 19:36:20,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384858611] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626425684] [2023-01-11 19:36:20,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-11 19:36:20,865 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,865 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE was SAFE (22/63) [2023-01-11 19:36:20,868 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,875 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,878 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,879 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,879 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,879 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,879 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:20,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:20,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:20,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1151442066, now seen corresponding path program 1 times [2023-01-11 19:36:20,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:20,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843118107] [2023-01-11 19:36:20,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:20,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:20,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (24)] Waiting until timeout for monitored process [2023-01-11 19:36:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:20,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:20,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843118107] [2023-01-11 19:36:20,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843118107] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:20,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:20,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:20,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933755994] [2023-01-11 19:36:20,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:20,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:20,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:20,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:20,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:20,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:20,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:20,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:20,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:20,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-11 19:36:20,979 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:20,979 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE was SAFE (23/63) [2023-01-11 19:36:20,981 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:20,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:20,983 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:20,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Waiting until timeout for monitored process [2023-01-11 19:36:20,986 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,987 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:20,987 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:20,987 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:20,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:20,987 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:20,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:21,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:21,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:21,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1134784797, now seen corresponding path program 1 times [2023-01-11 19:36:21,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:21,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180458845] [2023-01-11 19:36:21,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:21,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:21,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:21,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180458845] [2023-01-11 19:36:21,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180458845] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:21,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:21,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:21,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288305809] [2023-01-11 19:36:21,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:21,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:21,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:21,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:21,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:21,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:21,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:21,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:21,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-11 19:36:21,046 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:21,046 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE was SAFE (24/63) [2023-01-11 19:36:21,048 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:21,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:21,051 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:21,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (26)] Waiting until timeout for monitored process [2023-01-11 19:36:21,054 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,055 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:21,055 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:21,055 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:21,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:21,055 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:21,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:21,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 393520159, now seen corresponding path program 1 times [2023-01-11 19:36:21,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:21,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341597849] [2023-01-11 19:36:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:21,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:21,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341597849] [2023-01-11 19:36:21,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341597849] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:21,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:21,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:21,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124981871] [2023-01-11 19:36:21,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:21,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:21,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:21,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:21,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:21,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:21,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:21,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-11 19:36:21,117 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:21,117 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE was SAFE (25/63) [2023-01-11 19:36:21,119 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:21,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:21,124 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:21,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Waiting until timeout for monitored process [2023-01-11 19:36:21,129 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,129 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:21,129 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:21,129 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:21,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:21,130 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:21,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:21,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:21,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1658743172, now seen corresponding path program 1 times [2023-01-11 19:36:21,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:21,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242623073] [2023-01-11 19:36:21,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:21,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:21,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:21,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242623073] [2023-01-11 19:36:21,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242623073] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:21,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:21,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:21,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481871533] [2023-01-11 19:36:21,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:21,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 19:36:21,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:21,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 19:36:21,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 19:36:21,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:21,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:21,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 19:36:21,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 19:36:21,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-01-11 19:36:21,186 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-11 19:36:21,187 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE was SAFE (26/63) [2023-01-11 19:36:21,188 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 19:36:21,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 19:36:21,192 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-11 19:36:21,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (28)] Waiting until timeout for monitored process [2023-01-11 19:36:21,194 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,195 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 19:36:21,195 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 19:36:21,195 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 19:36:21,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 19:36:21,195 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5e0bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 19:36:21,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 19:36:21,333 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:21,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:21,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1656495785, now seen corresponding path program 1 times [2023-01-11 19:36:21,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:21,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615233876] [2023-01-11 19:36:21,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:21,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:21,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615233876] [2023-01-11 19:36:21,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615233876] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:21,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:21,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 19:36:21,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89762559] [2023-01-11 19:36:21,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:21,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-11 19:36:21,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:21,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-11 19:36:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-11 19:36:21,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:21,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-01-11 19:36:21,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 19:36:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 19:36:21,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1440071001, now seen corresponding path program 1 times [2023-01-11 19:36:21,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 19:36:21,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498557635] [2023-01-11 19:36:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 19:36:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 19:36:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 19:36:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 19:36:21,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 19:36:21,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498557635] [2023-01-11 19:36:21,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498557635] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 19:36:21,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 19:36:21,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-11 19:36:21,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594431561] [2023-01-11 19:36:21,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 19:36:21,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-11 19:36:21,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 19:36:21,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-11 19:36:21,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-01-11 19:36:21,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 19:36:21,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-11 19:36:21,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 19:36:21,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.