/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 08:10:26,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 08:10:26,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 08:10:26,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 08:10:26,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 08:10:26,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 08:10:26,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 08:10:26,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 08:10:26,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 08:10:26,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 08:10:26,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 08:10:26,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 08:10:26,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 08:10:26,499 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 08:10:26,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 08:10:26,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 08:10:26,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 08:10:26,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 08:10:26,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 08:10:26,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 08:10:26,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 08:10:26,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 08:10:26,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 08:10:26,501 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 08:10:26,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 08:10:26,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 08:10:26,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 08:10:26,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 08:10:26,502 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 08:10:26,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 08:10:26,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 08:10:26,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 08:10:26,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 08:10:26,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL [2023-09-08 08:10:26,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 08:10:26,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 08:10:26,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 08:10:26,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 08:10:26,707 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 08:10:26,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i [2023-09-08 08:10:27,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 08:10:27,847 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 08:10:27,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i [2023-09-08 08:10:27,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3093d01/c9b96b3e7e594dc7a218cd4876de879a/FLAG5f5900551 [2023-09-08 08:10:27,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3093d01/c9b96b3e7e594dc7a218cd4876de879a [2023-09-08 08:10:27,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 08:10:27,871 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 08:10:27,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 08:10:27,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 08:10:27,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 08:10:27,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:10:27" (1/1) ... [2023-09-08 08:10:27,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea1869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:27, skipping insertion in model container [2023-09-08 08:10:27,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:10:27" (1/1) ... [2023-09-08 08:10:27,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 08:10:28,197 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2023-09-08 08:10:28,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 08:10:28,248 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 08:10:28,268 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [261] [2023-09-08 08:10:28,269 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [261] [2023-09-08 08:10:28,290 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2023-09-08 08:10:28,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 08:10:28,342 INFO L206 MainTranslator]: Completed translation [2023-09-08 08:10:28,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28 WrapperNode [2023-09-08 08:10:28,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 08:10:28,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 08:10:28,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 08:10:28,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 08:10:28,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,388 INFO L138 Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 350 [2023-09-08 08:10:28,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 08:10:28,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 08:10:28,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 08:10:28,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 08:10:28,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 08:10:28,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 08:10:28,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 08:10:28,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 08:10:28,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (1/1) ... [2023-09-08 08:10:28,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 08:10:28,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:28,471 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) [2023-09-08 08:10:28,491 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 [2023-09-08 08:10:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-09-08 08:10:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-09-08 08:10:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 08:10:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 08:10:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-08 08:10:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-09-08 08:10:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-09-08 08:10:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 08:10:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 08:10:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 08:10:28,497 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 08:10:28,627 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 08:10:28,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 08:10:29,049 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 08:10:29,059 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 08:10:29,059 INFO L302 CfgBuilder]: Removed 28 assume(true) statements. [2023-09-08 08:10:29,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:10:29 BoogieIcfgContainer [2023-09-08 08:10:29,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 08:10:29,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 08:10:29,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 08:10:29,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 08:10:29,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:10:27" (1/3) ... [2023-09-08 08:10:29,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce96942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:10:29, skipping insertion in model container [2023-09-08 08:10:29,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:10:28" (2/3) ... [2023-09-08 08:10:29,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce96942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:10:29, skipping insertion in model container [2023-09-08 08:10:29,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:10:29" (3/3) ... [2023-09-08 08:10:29,067 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_85-list2_racefree.i [2023-09-08 08:10:29,072 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 08:10:29,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 08:10:29,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-08 08:10:29,078 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 08:10:29,163 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-09-08 08:10:29,199 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:29,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:29,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:29,201 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) [2023-09-08 08:10:29,232 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 [2023-09-08 08:10:29,250 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:29,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:29,258 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:29,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-09-08 08:10:29,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-08 08:10:29,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:29,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1523548014, now seen corresponding path program 1 times [2023-09-08 08:10:29,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:29,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576591315] [2023-09-08 08:10:29,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:29,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:29,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:29,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:29,555 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:29,556 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2023-09-08 08:10:29,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2023-09-08 08:10:29,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2023-09-08 08:10:29,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-09-08 08:10:29,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-09-08 08:10:29,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-09-08 08:10:29,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-09-08 08:10:29,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 08:10:29,563 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:29,564 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:29,564 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-09-08 08:10:29,647 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-09-08 08:10:29,671 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:29,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:29,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:29,714 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) [2023-09-08 08:10:29,715 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 [2023-09-08 08:10:29,718 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:29,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:29,719 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:29,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-09-08 08:10:29,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-08 08:10:29,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:29,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1389268499, now seen corresponding path program 1 times [2023-09-08 08:10:29,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:29,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779762609] [2023-09-08 08:10:29,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:29,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:29,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:29,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:29,928 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:29,928 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2023-09-08 08:10:29,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2023-09-08 08:10:29,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2023-09-08 08:10:29,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2023-09-08 08:10:29,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-09-08 08:10:29,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2023-09-08 08:10:29,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2023-09-08 08:10:29,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2023-09-08 08:10:29,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2023-09-08 08:10:29,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 08:10:29,938 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:29,938 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:29,939 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-09-08 08:10:30,046 INFO L144 ThreadInstanceAdder]: Constructed 27 joinOtherThreadTransitions. [2023-09-08 08:10:30,053 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:30,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:30,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:30,055 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) [2023-09-08 08:10:30,057 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 [2023-09-08 08:10:30,061 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:30,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:30,062 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:30,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-09-08 08:10:30,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-09-08 08:10:30,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:30,133 INFO L85 PathProgramCache]: Analyzing trace with hash -33678579, now seen corresponding path program 1 times [2023-09-08 08:10:30,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:30,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443973526] [2023-09-08 08:10:30,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:30,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:30,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:30,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:30,189 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:30,189 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2023-09-08 08:10:30,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2023-09-08 08:10:30,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2023-09-08 08:10:30,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2023-09-08 08:10:30,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-08 08:10:30,191 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:30,192 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:30,192 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-09-08 08:10:30,293 INFO L144 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2023-09-08 08:10:30,332 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:30,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:30,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:30,351 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) [2023-09-08 08:10:30,352 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 [2023-09-08 08:10:30,355 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:30,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:30,356 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:30,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-09-08 08:10:30,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2023-09-08 08:10:30,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:30,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1372191776, now seen corresponding path program 1 times [2023-09-08 08:10:30,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:30,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482015870] [2023-09-08 08:10:30,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:30,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:30,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:30,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:30,506 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 13 remaining) [2023-09-08 08:10:30,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 13 remaining) [2023-09-08 08:10:30,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 13 remaining) [2023-09-08 08:10:30,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 13 remaining) [2023-09-08 08:10:30,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 13 remaining) [2023-09-08 08:10:30,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-08 08:10:30,508 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:30,509 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:30,509 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2023-09-08 08:10:30,633 INFO L144 ThreadInstanceAdder]: Constructed 45 joinOtherThreadTransitions. [2023-09-08 08:10:30,642 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:30,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:30,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:30,644 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) [2023-09-08 08:10:30,645 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 [2023-09-08 08:10:30,649 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:30,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:30,650 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:30,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-09-08 08:10:30,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2023-09-08 08:10:30,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:30,723 INFO L85 PathProgramCache]: Analyzing trace with hash -983734804, now seen corresponding path program 1 times [2023-09-08 08:10:30,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:30,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750078613] [2023-09-08 08:10:30,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:30,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:30,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:30,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:30,786 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:30,787 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 15 remaining) [2023-09-08 08:10:30,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 15 remaining) [2023-09-08 08:10:30,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 15 remaining) [2023-09-08 08:10:30,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 15 remaining) [2023-09-08 08:10:30,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 15 remaining) [2023-09-08 08:10:30,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 15 remaining) [2023-09-08 08:10:30,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 15 remaining) [2023-09-08 08:10:30,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 15 remaining) [2023-09-08 08:10:30,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-08 08:10:30,789 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:30,789 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:30,789 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2023-09-08 08:10:30,983 INFO L144 ThreadInstanceAdder]: Constructed 54 joinOtherThreadTransitions. [2023-09-08 08:10:30,991 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:30,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:30,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:30,993 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) [2023-09-08 08:10:30,994 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 [2023-09-08 08:10:31,043 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:31,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:31,043 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:31,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-09-08 08:10:31,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 14 more)] === [2023-09-08 08:10:31,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:31,159 INFO L85 PathProgramCache]: Analyzing trace with hash -381424367, now seen corresponding path program 1 times [2023-09-08 08:10:31,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:31,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536780242] [2023-09-08 08:10:31,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:31,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:31,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:31,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:31,262 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:31,263 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2023-09-08 08:10:31,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 17 remaining) [2023-09-08 08:10:31,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 17 remaining) [2023-09-08 08:10:31,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 17 remaining) [2023-09-08 08:10:31,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 17 remaining) [2023-09-08 08:10:31,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 17 remaining) [2023-09-08 08:10:31,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 17 remaining) [2023-09-08 08:10:31,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 17 remaining) [2023-09-08 08:10:31,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 17 remaining) [2023-09-08 08:10:31,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 17 remaining) [2023-09-08 08:10:31,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-08 08:10:31,279 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:31,279 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:31,279 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2023-09-08 08:10:31,493 INFO L144 ThreadInstanceAdder]: Constructed 63 joinOtherThreadTransitions. [2023-09-08 08:10:31,501 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:31,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:31,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:31,503 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) [2023-09-08 08:10:31,505 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 [2023-09-08 08:10:31,507 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:31,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:31,508 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:31,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2023-09-08 08:10:31,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 16 more)] === [2023-09-08 08:10:31,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:31,615 INFO L85 PathProgramCache]: Analyzing trace with hash 304711215, now seen corresponding path program 1 times [2023-09-08 08:10:31,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:31,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544656786] [2023-09-08 08:10:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:31,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:31,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:31,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:31,702 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:31,702 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2023-09-08 08:10:31,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 19 remaining) [2023-09-08 08:10:31,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 19 remaining) [2023-09-08 08:10:31,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 19 remaining) [2023-09-08 08:10:31,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-09-08 08:10:31,705 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:31,705 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:31,705 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2023-09-08 08:10:31,927 INFO L144 ThreadInstanceAdder]: Constructed 72 joinOtherThreadTransitions. [2023-09-08 08:10:31,938 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:31,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:31,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:31,941 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) [2023-09-08 08:10:31,942 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 [2023-09-08 08:10:31,946 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:31,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:31,947 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:31,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-09-08 08:10:32,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 18 more)] === [2023-09-08 08:10:32,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:32,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1092257254, now seen corresponding path program 1 times [2023-09-08 08:10:32,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:32,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236530054] [2023-09-08 08:10:32,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:32,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:32,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:32,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:32,161 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:32,161 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2023-09-08 08:10:32,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 21 remaining) [2023-09-08 08:10:32,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 21 remaining) [2023-09-08 08:10:32,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 21 remaining) [2023-09-08 08:10:32,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2023-09-08 08:10:32,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 21 remaining) [2023-09-08 08:10:32,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 21 remaining) [2023-09-08 08:10:32,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 21 remaining) [2023-09-08 08:10:32,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 21 remaining) [2023-09-08 08:10:32,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 21 remaining) [2023-09-08 08:10:32,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 21 remaining) [2023-09-08 08:10:32,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 21 remaining) [2023-09-08 08:10:32,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 21 remaining) [2023-09-08 08:10:32,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-08 08:10:32,164 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:32,166 WARN L233 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:32,166 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2023-09-08 08:10:32,362 INFO L144 ThreadInstanceAdder]: Constructed 81 joinOtherThreadTransitions. [2023-09-08 08:10:32,376 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:32,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:32,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:32,378 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) [2023-09-08 08:10:32,379 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 [2023-09-08 08:10:32,386 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:32,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:32,390 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:32,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2023-09-08 08:10:32,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 20 more)] === [2023-09-08 08:10:32,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:32,565 INFO L85 PathProgramCache]: Analyzing trace with hash 692297942, now seen corresponding path program 1 times [2023-09-08 08:10:32,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:32,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530534780] [2023-09-08 08:10:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:32,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:32,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:32,638 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:32,638 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2023-09-08 08:10:32,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 23 remaining) [2023-09-08 08:10:32,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 23 remaining) [2023-09-08 08:10:32,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 23 remaining) [2023-09-08 08:10:32,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 23 remaining) [2023-09-08 08:10:32,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 23 remaining) [2023-09-08 08:10:32,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 23 remaining) [2023-09-08 08:10:32,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 23 remaining) [2023-09-08 08:10:32,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 23 remaining) [2023-09-08 08:10:32,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 23 remaining) [2023-09-08 08:10:32,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 23 remaining) [2023-09-08 08:10:32,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 23 remaining) [2023-09-08 08:10:32,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-09-08 08:10:32,641 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:32,641 WARN L233 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:32,641 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances. [2023-09-08 08:10:32,831 INFO L144 ThreadInstanceAdder]: Constructed 90 joinOtherThreadTransitions. [2023-09-08 08:10:32,841 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:32,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:32,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:32,846 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) [2023-09-08 08:10:32,846 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 [2023-09-08 08:10:32,850 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:32,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:32,850 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:32,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-09-08 08:10:32,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2023-09-08 08:10:32,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:32,990 INFO L85 PathProgramCache]: Analyzing trace with hash 858909599, now seen corresponding path program 1 times [2023-09-08 08:10:32,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:32,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682183139] [2023-09-08 08:10:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:32,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:33,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:33,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:33,060 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:33,060 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2023-09-08 08:10:33,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 25 remaining) [2023-09-08 08:10:33,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 25 remaining) [2023-09-08 08:10:33,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 25 remaining) [2023-09-08 08:10:33,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 25 remaining) [2023-09-08 08:10:33,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 25 remaining) [2023-09-08 08:10:33,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-09-08 08:10:33,063 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:33,063 WARN L233 ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:33,063 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances. [2023-09-08 08:10:33,342 INFO L144 ThreadInstanceAdder]: Constructed 99 joinOtherThreadTransitions. [2023-09-08 08:10:33,352 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:33,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:33,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:33,355 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) [2023-09-08 08:10:33,356 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 [2023-09-08 08:10:33,359 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:33,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:33,359 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:33,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-09-08 08:10:33,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] === [2023-09-08 08:10:33,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:33,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1569905377, now seen corresponding path program 1 times [2023-09-08 08:10:33,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:33,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151308482] [2023-09-08 08:10:33,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:33,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:33,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:33,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:33,562 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:33,562 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining) [2023-09-08 08:10:33,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 27 remaining) [2023-09-08 08:10:33,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 27 remaining) [2023-09-08 08:10:33,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 27 remaining) [2023-09-08 08:10:33,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 27 remaining) [2023-09-08 08:10:33,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 27 remaining) [2023-09-08 08:10:33,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 27 remaining) [2023-09-08 08:10:33,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 27 remaining) [2023-09-08 08:10:33,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 27 remaining) [2023-09-08 08:10:33,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-09-08 08:10:33,565 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:33,565 WARN L233 ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:33,565 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances. [2023-09-08 08:10:33,786 INFO L144 ThreadInstanceAdder]: Constructed 108 joinOtherThreadTransitions. [2023-09-08 08:10:33,798 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:33,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:33,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:33,801 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) [2023-09-08 08:10:33,802 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 [2023-09-08 08:10:33,805 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:33,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:33,806 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:33,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-09-08 08:10:34,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 26 more)] === [2023-09-08 08:10:34,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:34,044 INFO L85 PathProgramCache]: Analyzing trace with hash -613137604, now seen corresponding path program 1 times [2023-09-08 08:10:34,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:34,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363016871] [2023-09-08 08:10:34,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:34,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:34,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:34,122 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:34,122 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2023-09-08 08:10:34,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 29 remaining) [2023-09-08 08:10:34,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2023-09-08 08:10:34,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 29 remaining) [2023-09-08 08:10:34,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 29 remaining) [2023-09-08 08:10:34,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 29 remaining) [2023-09-08 08:10:34,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2023-09-08 08:10:34,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 29 remaining) [2023-09-08 08:10:34,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-09-08 08:10:34,125 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:34,125 WARN L233 ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:34,125 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances. [2023-09-08 08:10:34,349 INFO L144 ThreadInstanceAdder]: Constructed 117 joinOtherThreadTransitions. [2023-09-08 08:10:34,363 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:34,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:34,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:34,365 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) [2023-09-08 08:10:34,385 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 [2023-09-08 08:10:34,389 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:34,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:34,389 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:34,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-09-08 08:10:34,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 28 more)] === [2023-09-08 08:10:34,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:34,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1342462288, now seen corresponding path program 1 times [2023-09-08 08:10:34,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:34,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091957586] [2023-09-08 08:10:34,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:34,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:34,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:34,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:34,787 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:34,787 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2023-09-08 08:10:34,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 31 remaining) [2023-09-08 08:10:34,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 31 remaining) [2023-09-08 08:10:34,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 31 remaining) [2023-09-08 08:10:34,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 31 remaining) [2023-09-08 08:10:34,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 31 remaining) [2023-09-08 08:10:34,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 31 remaining) [2023-09-08 08:10:34,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 31 remaining) [2023-09-08 08:10:34,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 31 remaining) [2023-09-08 08:10:34,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 31 remaining) [2023-09-08 08:10:34,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 31 remaining) [2023-09-08 08:10:34,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 31 remaining) [2023-09-08 08:10:34,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 31 remaining) [2023-09-08 08:10:34,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-09-08 08:10:34,791 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:34,791 WARN L233 ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:34,791 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances. [2023-09-08 08:10:35,098 INFO L144 ThreadInstanceAdder]: Constructed 126 joinOtherThreadTransitions. [2023-09-08 08:10:35,112 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:35,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:35,115 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) [2023-09-08 08:10:35,135 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 [2023-09-08 08:10:35,136 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:35,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:35,137 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:35,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-09-08 08:10:35,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 30 more)] === [2023-09-08 08:10:35,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2016300611, now seen corresponding path program 1 times [2023-09-08 08:10:35,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:35,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481943218] [2023-09-08 08:10:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:35,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:35,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:35,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:35,621 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:35,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2023-09-08 08:10:35,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 33 remaining) [2023-09-08 08:10:35,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 33 remaining) [2023-09-08 08:10:35,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 33 remaining) [2023-09-08 08:10:35,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 33 remaining) [2023-09-08 08:10:35,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 33 remaining) [2023-09-08 08:10:35,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 33 remaining) [2023-09-08 08:10:35,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 33 remaining) [2023-09-08 08:10:35,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 33 remaining) [2023-09-08 08:10:35,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 33 remaining) [2023-09-08 08:10:35,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 33 remaining) [2023-09-08 08:10:35,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 33 remaining) [2023-09-08 08:10:35,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 33 remaining) [2023-09-08 08:10:35,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 33 remaining) [2023-09-08 08:10:35,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 33 remaining) [2023-09-08 08:10:35,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-09-08 08:10:35,627 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:35,627 WARN L233 ceAbstractionStarter]: 14 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:35,627 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 15 thread instances. [2023-09-08 08:10:35,864 INFO L144 ThreadInstanceAdder]: Constructed 135 joinOtherThreadTransitions. [2023-09-08 08:10:35,884 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:35,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:35,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:35,888 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) [2023-09-08 08:10:35,888 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 [2023-09-08 08:10:35,892 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:35,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:35,892 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:35,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2023-09-08 08:10:36,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 32 more)] === [2023-09-08 08:10:36,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:36,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1886699229, now seen corresponding path program 1 times [2023-09-08 08:10:36,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:36,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923826671] [2023-09-08 08:10:36,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:36,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:36,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:36,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:36,275 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 35 remaining) [2023-09-08 08:10:36,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 35 remaining) [2023-09-08 08:10:36,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 35 remaining) [2023-09-08 08:10:36,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 35 remaining) [2023-09-08 08:10:36,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 35 remaining) [2023-09-08 08:10:36,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 35 remaining) [2023-09-08 08:10:36,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-09-08 08:10:36,279 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:36,279 WARN L233 ceAbstractionStarter]: 15 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:36,280 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 16 thread instances. [2023-09-08 08:10:36,549 INFO L144 ThreadInstanceAdder]: Constructed 144 joinOtherThreadTransitions. [2023-09-08 08:10:36,562 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:36,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:36,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:36,565 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) [2023-09-08 08:10:36,565 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 [2023-09-08 08:10:36,569 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:36,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:36,569 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:36,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-09-08 08:10:36,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 34 more)] === [2023-09-08 08:10:36,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:36,958 INFO L85 PathProgramCache]: Analyzing trace with hash 138435618, now seen corresponding path program 1 times [2023-09-08 08:10:36,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:36,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615071793] [2023-09-08 08:10:36,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:36,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:37,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:37,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:37,075 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 37 remaining) [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 37 remaining) [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 37 remaining) [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 37 remaining) [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 37 remaining) [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 37 remaining) [2023-09-08 08:10:37,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 37 remaining) [2023-09-08 08:10:37,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 37 remaining) [2023-09-08 08:10:37,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 37 remaining) [2023-09-08 08:10:37,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 37 remaining) [2023-09-08 08:10:37,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 37 remaining) [2023-09-08 08:10:37,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 37 remaining) [2023-09-08 08:10:37,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 37 remaining) [2023-09-08 08:10:37,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 37 remaining) [2023-09-08 08:10:37,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-09-08 08:10:37,079 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:37,079 WARN L233 ceAbstractionStarter]: 16 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:37,079 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 17 thread instances. [2023-09-08 08:10:37,380 INFO L144 ThreadInstanceAdder]: Constructed 153 joinOtherThreadTransitions. [2023-09-08 08:10:37,399 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:37,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:37,402 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) [2023-09-08 08:10:37,407 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 [2023-09-08 08:10:37,412 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:37,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:37,412 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:37,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2023-09-08 08:10:37,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 36 more)] === [2023-09-08 08:10:37,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:37,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1725909158, now seen corresponding path program 1 times [2023-09-08 08:10:37,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:37,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914333297] [2023-09-08 08:10:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:37,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:37,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:38,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:38,053 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:38,053 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 39 remaining) [2023-09-08 08:10:38,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 39 remaining) [2023-09-08 08:10:38,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 39 remaining) [2023-09-08 08:10:38,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 39 remaining) [2023-09-08 08:10:38,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 39 remaining) [2023-09-08 08:10:38,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 39 remaining) [2023-09-08 08:10:38,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 39 remaining) [2023-09-08 08:10:38,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 39 remaining) [2023-09-08 08:10:38,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 39 remaining) [2023-09-08 08:10:38,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 39 remaining) [2023-09-08 08:10:38,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-09-08 08:10:38,056 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:38,056 WARN L233 ceAbstractionStarter]: 17 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:38,056 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 18 thread instances. [2023-09-08 08:10:38,351 INFO L144 ThreadInstanceAdder]: Constructed 162 joinOtherThreadTransitions. [2023-09-08 08:10:38,369 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:38,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:38,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:38,385 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) [2023-09-08 08:10:38,394 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 [2023-09-08 08:10:38,398 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:38,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:38,398 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:38,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2023-09-08 08:10:38,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 38 more)] === [2023-09-08 08:10:38,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:38,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1589405547, now seen corresponding path program 1 times [2023-09-08 08:10:38,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:38,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640450485] [2023-09-08 08:10:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:38,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:38,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:38,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:38,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 41 remaining) [2023-09-08 08:10:38,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 41 remaining) [2023-09-08 08:10:38,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 41 remaining) [2023-09-08 08:10:38,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 41 remaining) [2023-09-08 08:10:38,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-09-08 08:10:38,911 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:38,911 WARN L233 ceAbstractionStarter]: 18 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:38,911 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 19 thread instances. [2023-09-08 08:10:39,392 INFO L144 ThreadInstanceAdder]: Constructed 171 joinOtherThreadTransitions. [2023-09-08 08:10:39,407 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:39,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:39,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:39,410 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) [2023-09-08 08:10:39,411 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 [2023-09-08 08:10:39,416 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:39,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:39,418 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:39,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2023-09-08 08:10:40,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 40 more)] === [2023-09-08 08:10:40,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:40,013 INFO L85 PathProgramCache]: Analyzing trace with hash 935583989, now seen corresponding path program 1 times [2023-09-08 08:10:40,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:40,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279640196] [2023-09-08 08:10:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:40,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:40,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:40,163 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:40,163 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 43 remaining) [2023-09-08 08:10:40,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 43 remaining) [2023-09-08 08:10:40,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2023-09-08 08:10:40,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 43 remaining) [2023-09-08 08:10:40,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2023-09-08 08:10:40,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2023-09-08 08:10:40,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2023-09-08 08:10:40,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2023-09-08 08:10:40,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 43 remaining) [2023-09-08 08:10:40,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-09-08 08:10:40,167 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:40,167 WARN L233 ceAbstractionStarter]: 19 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:40,167 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 20 thread instances. [2023-09-08 08:10:40,631 INFO L144 ThreadInstanceAdder]: Constructed 180 joinOtherThreadTransitions. [2023-09-08 08:10:40,647 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:40,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:40,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:40,650 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) [2023-09-08 08:10:40,655 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 [2023-09-08 08:10:40,658 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:40,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:40,659 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:40,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2023-09-08 08:10:41,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 42 more)] === [2023-09-08 08:10:41,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash -817366888, now seen corresponding path program 1 times [2023-09-08 08:10:41,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:41,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100875105] [2023-09-08 08:10:41,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:41,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:41,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:41,443 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:41,443 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining) [2023-09-08 08:10:41,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 45 remaining) [2023-09-08 08:10:41,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 45 remaining) [2023-09-08 08:10:41,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 45 remaining) [2023-09-08 08:10:41,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 45 remaining) [2023-09-08 08:10:41,446 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 45 remaining) [2023-09-08 08:10:41,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-09-08 08:10:41,448 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:41,448 WARN L233 ceAbstractionStarter]: 20 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:41,448 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 21 thread instances. [2023-09-08 08:10:41,972 INFO L144 ThreadInstanceAdder]: Constructed 189 joinOtherThreadTransitions. [2023-09-08 08:10:41,997 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:41,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:41,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:42,019 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) [2023-09-08 08:10:42,026 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:42,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:42,027 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:42,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2023-09-08 08:10:42,040 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 [2023-09-08 08:10:42,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 44 more)] === [2023-09-08 08:10:42,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:42,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1148838644, now seen corresponding path program 1 times [2023-09-08 08:10:42,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:42,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400663254] [2023-09-08 08:10:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:42,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:42,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:42,816 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:42,816 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 47 remaining) [2023-09-08 08:10:42,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 47 remaining) [2023-09-08 08:10:42,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 47 remaining) [2023-09-08 08:10:42,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 47 remaining) [2023-09-08 08:10:42,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 47 remaining) [2023-09-08 08:10:42,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 47 remaining) [2023-09-08 08:10:42,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-09-08 08:10:42,820 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:42,820 WARN L233 ceAbstractionStarter]: 21 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:42,820 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 22 thread instances. [2023-09-08 08:10:43,170 INFO L144 ThreadInstanceAdder]: Constructed 198 joinOtherThreadTransitions. [2023-09-08 08:10:43,190 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:43,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:43,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:43,225 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) [2023-09-08 08:10:43,241 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 [2023-09-08 08:10:43,245 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:43,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:43,245 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:43,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2023-09-08 08:10:44,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 46 more)] === [2023-09-08 08:10:44,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1340814505, now seen corresponding path program 1 times [2023-09-08 08:10:44,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:44,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252854229] [2023-09-08 08:10:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:44,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:44,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:44,185 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:44,185 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2023-09-08 08:10:44,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 49 remaining) [2023-09-08 08:10:44,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 49 remaining) [2023-09-08 08:10:44,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 49 remaining) [2023-09-08 08:10:44,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 49 remaining) [2023-09-08 08:10:44,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 49 remaining) [2023-09-08 08:10:44,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-09-08 08:10:44,189 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:44,189 WARN L233 ceAbstractionStarter]: 22 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:44,189 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 23 thread instances. [2023-09-08 08:10:44,552 INFO L144 ThreadInstanceAdder]: Constructed 207 joinOtherThreadTransitions. [2023-09-08 08:10:44,569 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:44,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:44,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:44,572 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) [2023-09-08 08:10:44,573 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 [2023-09-08 08:10:44,577 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:44,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:44,578 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:44,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2023-09-08 08:10:45,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 48 more)] === [2023-09-08 08:10:45,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:45,489 INFO L85 PathProgramCache]: Analyzing trace with hash -967974313, now seen corresponding path program 1 times [2023-09-08 08:10:45,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:45,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324170298] [2023-09-08 08:10:45,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:45,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:45,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:45,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:45,688 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:45,688 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2023-09-08 08:10:45,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 51 remaining) [2023-09-08 08:10:45,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 51 remaining) [2023-09-08 08:10:45,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 51 remaining) [2023-09-08 08:10:45,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 51 remaining) [2023-09-08 08:10:45,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 51 remaining) [2023-09-08 08:10:45,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 51 remaining) [2023-09-08 08:10:45,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 51 remaining) [2023-09-08 08:10:45,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 51 remaining) [2023-09-08 08:10:45,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 51 remaining) [2023-09-08 08:10:45,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 51 remaining) [2023-09-08 08:10:45,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 51 remaining) [2023-09-08 08:10:45,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 51 remaining) [2023-09-08 08:10:45,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 51 remaining) [2023-09-08 08:10:45,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 51 remaining) [2023-09-08 08:10:45,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 51 remaining) [2023-09-08 08:10:45,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-09-08 08:10:45,693 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:45,693 WARN L233 ceAbstractionStarter]: 23 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:45,693 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 24 thread instances. [2023-09-08 08:10:46,354 INFO L144 ThreadInstanceAdder]: Constructed 216 joinOtherThreadTransitions. [2023-09-08 08:10:46,385 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:46,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:46,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:46,388 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) [2023-09-08 08:10:46,403 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:46,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:46,404 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:46,404 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2023-09-08 08:10:46,420 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 [2023-09-08 08:10:47,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 50 more)] === [2023-09-08 08:10:47,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1488208030, now seen corresponding path program 1 times [2023-09-08 08:10:47,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:47,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353313274] [2023-09-08 08:10:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:47,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:47,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:47,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:47,542 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 53 remaining) [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 53 remaining) [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 53 remaining) [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 53 remaining) [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 53 remaining) [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 53 remaining) [2023-09-08 08:10:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 53 remaining) [2023-09-08 08:10:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 53 remaining) [2023-09-08 08:10:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 53 remaining) [2023-09-08 08:10:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 53 remaining) [2023-09-08 08:10:47,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-09-08 08:10:47,546 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:47,546 WARN L233 ceAbstractionStarter]: 24 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:47,546 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 25 thread instances. [2023-09-08 08:10:48,141 INFO L144 ThreadInstanceAdder]: Constructed 225 joinOtherThreadTransitions. [2023-09-08 08:10:48,158 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:48,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:48,160 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) [2023-09-08 08:10:48,161 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 [2023-09-08 08:10:48,166 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:48,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:48,166 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:48,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2023-09-08 08:10:49,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 52 more)] === [2023-09-08 08:10:49,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:49,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1917912094, now seen corresponding path program 1 times [2023-09-08 08:10:49,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:49,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639090847] [2023-09-08 08:10:49,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:49,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:49,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:49,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:49,484 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 55 remaining) [2023-09-08 08:10:49,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 55 remaining) [2023-09-08 08:10:49,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 55 remaining) [2023-09-08 08:10:49,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 55 remaining) [2023-09-08 08:10:49,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 55 remaining) [2023-09-08 08:10:49,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-09-08 08:10:49,489 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:49,489 WARN L233 ceAbstractionStarter]: 25 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:49,489 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 26 thread instances. [2023-09-08 08:10:49,903 INFO L144 ThreadInstanceAdder]: Constructed 234 joinOtherThreadTransitions. [2023-09-08 08:10:49,922 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:49,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:49,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:49,923 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) [2023-09-08 08:10:49,924 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 [2023-09-08 08:10:49,930 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:49,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:49,930 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:49,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2023-09-08 08:10:51,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 54 more)] === [2023-09-08 08:10:51,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:51,309 INFO L85 PathProgramCache]: Analyzing trace with hash 330776951, now seen corresponding path program 1 times [2023-09-08 08:10:51,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:51,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246742829] [2023-09-08 08:10:51,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:51,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:51,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:51,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:51,575 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 57 remaining) [2023-09-08 08:10:51,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 57 remaining) [2023-09-08 08:10:51,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 57 remaining) [2023-09-08 08:10:51,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 57 remaining) [2023-09-08 08:10:51,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 57 remaining) [2023-09-08 08:10:51,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 57 remaining) [2023-09-08 08:10:51,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-09-08 08:10:51,580 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:51,580 WARN L233 ceAbstractionStarter]: 26 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:51,580 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 27 thread instances. [2023-09-08 08:10:52,069 INFO L144 ThreadInstanceAdder]: Constructed 243 joinOtherThreadTransitions. [2023-09-08 08:10:52,090 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:52,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:52,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:52,094 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) [2023-09-08 08:10:52,125 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:52,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:52,125 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:52,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2023-09-08 08:10:52,141 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 [2023-09-08 08:10:53,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 56 more)] === [2023-09-08 08:10:53,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:53,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1952813751, now seen corresponding path program 1 times [2023-09-08 08:10:53,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:53,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380907210] [2023-09-08 08:10:53,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:53,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:53,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:53,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:53,623 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 59 remaining) [2023-09-08 08:10:53,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 59 remaining) [2023-09-08 08:10:53,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 59 remaining) [2023-09-08 08:10:53,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 59 remaining) [2023-09-08 08:10:53,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 59 remaining) [2023-09-08 08:10:53,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-09-08 08:10:53,628 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:53,628 WARN L233 ceAbstractionStarter]: 27 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:53,628 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 28 thread instances. [2023-09-08 08:10:54,095 INFO L144 ThreadInstanceAdder]: Constructed 252 joinOtherThreadTransitions. [2023-09-08 08:10:54,117 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:54,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:54,120 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:10:54,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (29)] Waiting until timeout for monitored process [2023-09-08 08:10:54,126 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:54,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:54,126 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:54,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2023-09-08 08:10:55,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 58 more)] === [2023-09-08 08:10:55,433 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash -317825996, now seen corresponding path program 1 times [2023-09-08 08:10:55,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:55,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570725116] [2023-09-08 08:10:55,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:55,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:55,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:55,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:55,664 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 61 remaining) [2023-09-08 08:10:55,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 61 remaining) [2023-09-08 08:10:55,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 61 remaining) [2023-09-08 08:10:55,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 61 remaining) [2023-09-08 08:10:55,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 61 remaining) [2023-09-08 08:10:55,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-09-08 08:10:55,670 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:55,670 WARN L233 ceAbstractionStarter]: 28 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:55,670 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 29 thread instances. [2023-09-08 08:10:56,344 INFO L144 ThreadInstanceAdder]: Constructed 261 joinOtherThreadTransitions. [2023-09-08 08:10:56,368 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:56,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:56,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:56,371 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:10:56,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (30)] Waiting until timeout for monitored process [2023-09-08 08:10:56,377 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:56,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:56,377 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:56,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-09-08 08:10:58,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 60 more)] === [2023-09-08 08:10:58,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:10:58,422 INFO L85 PathProgramCache]: Analyzing trace with hash 591872728, now seen corresponding path program 1 times [2023-09-08 08:10:58,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:10:58,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598651088] [2023-09-08 08:10:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:10:58,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:10:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:58,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:10:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:10:58,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:10:58,678 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:10:58,678 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 63 remaining) [2023-09-08 08:10:58,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (59 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 63 remaining) [2023-09-08 08:10:58,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 63 remaining) [2023-09-08 08:10:58,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 63 remaining) [2023-09-08 08:10:58,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 63 remaining) [2023-09-08 08:10:58,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 63 remaining) [2023-09-08 08:10:58,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-09-08 08:10:58,686 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:10:58,687 WARN L233 ceAbstractionStarter]: 29 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:10:58,687 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 30 thread instances. [2023-09-08 08:10:59,256 INFO L144 ThreadInstanceAdder]: Constructed 270 joinOtherThreadTransitions. [2023-09-08 08:10:59,274 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:59,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:10:59,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:10:59,277 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:10:59,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (31)] Waiting until timeout for monitored process [2023-09-08 08:10:59,282 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:10:59,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:10:59,283 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:10:59,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2023-09-08 08:11:01,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 62 more)] === [2023-09-08 08:11:01,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:01,318 INFO L85 PathProgramCache]: Analyzing trace with hash -2099661355, now seen corresponding path program 1 times [2023-09-08 08:11:01,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:01,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812561274] [2023-09-08 08:11:01,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:01,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:01,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:01,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:01,630 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 65 remaining) [2023-09-08 08:11:01,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 65 remaining) [2023-09-08 08:11:01,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 65 remaining) [2023-09-08 08:11:01,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 65 remaining) [2023-09-08 08:11:01,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 65 remaining) [2023-09-08 08:11:01,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 65 remaining) [2023-09-08 08:11:01,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 65 remaining) [2023-09-08 08:11:01,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 65 remaining) [2023-09-08 08:11:01,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 65 remaining) [2023-09-08 08:11:01,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 65 remaining) [2023-09-08 08:11:01,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 65 remaining) [2023-09-08 08:11:01,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 65 remaining) [2023-09-08 08:11:01,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-09-08 08:11:01,634 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:01,635 WARN L233 ceAbstractionStarter]: 30 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:01,635 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 31 thread instances. [2023-09-08 08:11:02,304 INFO L144 ThreadInstanceAdder]: Constructed 279 joinOtherThreadTransitions. [2023-09-08 08:11:02,327 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:02,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:02,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:02,329 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:02,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (32)] Waiting until timeout for monitored process [2023-09-08 08:11:02,336 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:02,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:02,336 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:02,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2023-09-08 08:11:04,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 64 more)] === [2023-09-08 08:11:04,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:04,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1199920693, now seen corresponding path program 1 times [2023-09-08 08:11:04,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:04,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534555607] [2023-09-08 08:11:04,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:04,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:04,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:04,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:04,671 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:04,671 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 67 remaining) [2023-09-08 08:11:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 67 remaining) [2023-09-08 08:11:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 67 remaining) [2023-09-08 08:11:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 67 remaining) [2023-09-08 08:11:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 67 remaining) [2023-09-08 08:11:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 67 remaining) [2023-09-08 08:11:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 67 remaining) [2023-09-08 08:11:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 67 remaining) [2023-09-08 08:11:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 67 remaining) [2023-09-08 08:11:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 67 remaining) [2023-09-08 08:11:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 67 remaining) [2023-09-08 08:11:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 67 remaining) [2023-09-08 08:11:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 67 remaining) [2023-09-08 08:11:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 67 remaining) [2023-09-08 08:11:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 67 remaining) [2023-09-08 08:11:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 67 remaining) [2023-09-08 08:11:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 67 remaining) [2023-09-08 08:11:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 67 remaining) [2023-09-08 08:11:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 67 remaining) [2023-09-08 08:11:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 67 remaining) [2023-09-08 08:11:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 67 remaining) [2023-09-08 08:11:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 67 remaining) [2023-09-08 08:11:04,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-09-08 08:11:04,677 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:04,677 WARN L233 ceAbstractionStarter]: 31 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:04,677 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 32 thread instances. [2023-09-08 08:11:05,286 INFO L144 ThreadInstanceAdder]: Constructed 288 joinOtherThreadTransitions. [2023-09-08 08:11:05,308 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:05,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:05,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:05,309 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:05,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (33)] Waiting until timeout for monitored process [2023-09-08 08:11:05,318 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:05,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:05,319 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:05,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2023-09-08 08:11:07,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 66 more)] === [2023-09-08 08:11:07,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash -180391078, now seen corresponding path program 1 times [2023-09-08 08:11:07,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:07,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106157697] [2023-09-08 08:11:07,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:07,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:07,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:07,947 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (65 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 69 remaining) [2023-09-08 08:11:07,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 69 remaining) [2023-09-08 08:11:07,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 69 remaining) [2023-09-08 08:11:07,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 69 remaining) [2023-09-08 08:11:07,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 69 remaining) [2023-09-08 08:11:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 69 remaining) [2023-09-08 08:11:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 69 remaining) [2023-09-08 08:11:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 69 remaining) [2023-09-08 08:11:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 69 remaining) [2023-09-08 08:11:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 69 remaining) [2023-09-08 08:11:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 69 remaining) [2023-09-08 08:11:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 69 remaining) [2023-09-08 08:11:07,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-09-08 08:11:07,952 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:07,953 WARN L233 ceAbstractionStarter]: 32 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:07,953 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 33 thread instances. [2023-09-08 08:11:08,476 INFO L144 ThreadInstanceAdder]: Constructed 297 joinOtherThreadTransitions. [2023-09-08 08:11:08,618 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:08,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:08,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:08,620 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:08,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (34)] Waiting until timeout for monitored process [2023-09-08 08:11:08,626 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:08,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:08,627 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:08,627 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2023-09-08 08:11:12,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 68 more)] === [2023-09-08 08:11:12,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:12,888 INFO L85 PathProgramCache]: Analyzing trace with hash 945669922, now seen corresponding path program 1 times [2023-09-08 08:11:12,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:12,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6195874] [2023-09-08 08:11:12,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:12,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:13,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:13,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:13,196 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:13,196 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 71 remaining) [2023-09-08 08:11:13,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 71 remaining) [2023-09-08 08:11:13,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 71 remaining) [2023-09-08 08:11:13,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 71 remaining) [2023-09-08 08:11:13,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 71 remaining) [2023-09-08 08:11:13,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 71 remaining) [2023-09-08 08:11:13,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 71 remaining) [2023-09-08 08:11:13,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 71 remaining) [2023-09-08 08:11:13,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 71 remaining) [2023-09-08 08:11:13,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-09-08 08:11:13,201 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:13,201 WARN L233 ceAbstractionStarter]: 33 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:13,201 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 34 thread instances. [2023-09-08 08:11:13,884 INFO L144 ThreadInstanceAdder]: Constructed 306 joinOtherThreadTransitions. [2023-09-08 08:11:13,912 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:13,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:13,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:13,914 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:13,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (35)] Waiting until timeout for monitored process [2023-09-08 08:11:13,921 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:13,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:13,922 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:13,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-09-08 08:11:17,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 70 more)] === [2023-09-08 08:11:17,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:17,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1771324989, now seen corresponding path program 1 times [2023-09-08 08:11:17,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:17,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275716683] [2023-09-08 08:11:17,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:17,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:18,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:18,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:18,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (69 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 73 remaining) [2023-09-08 08:11:18,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 73 remaining) [2023-09-08 08:11:18,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 73 remaining) [2023-09-08 08:11:18,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 73 remaining) [2023-09-08 08:11:18,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 73 remaining) [2023-09-08 08:11:18,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 73 remaining) [2023-09-08 08:11:18,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 73 remaining) [2023-09-08 08:11:18,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 73 remaining) [2023-09-08 08:11:18,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 73 remaining) [2023-09-08 08:11:18,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-09-08 08:11:18,242 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:18,242 WARN L233 ceAbstractionStarter]: 34 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:18,242 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 35 thread instances. [2023-09-08 08:11:18,838 INFO L144 ThreadInstanceAdder]: Constructed 315 joinOtherThreadTransitions. [2023-09-08 08:11:18,871 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:18,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:18,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:18,873 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:18,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (36)] Waiting until timeout for monitored process [2023-09-08 08:11:18,880 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:18,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:18,881 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:18,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2023-09-08 08:11:22,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 72 more)] === [2023-09-08 08:11:22,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1579139037, now seen corresponding path program 1 times [2023-09-08 08:11:22,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:22,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164890475] [2023-09-08 08:11:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:22,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:22,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:22,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:22,882 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:22,882 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (74 of 75 remaining) [2023-09-08 08:11:22,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 75 remaining) [2023-09-08 08:11:22,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 75 remaining) [2023-09-08 08:11:22,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 75 remaining) [2023-09-08 08:11:22,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 75 remaining) [2023-09-08 08:11:22,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 75 remaining) [2023-09-08 08:11:22,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 75 remaining) [2023-09-08 08:11:22,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 75 remaining) [2023-09-08 08:11:22,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 75 remaining) [2023-09-08 08:11:22,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 75 remaining) [2023-09-08 08:11:22,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 75 remaining) [2023-09-08 08:11:22,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 75 remaining) [2023-09-08 08:11:22,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 75 remaining) [2023-09-08 08:11:22,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-09-08 08:11:22,887 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:22,887 WARN L233 ceAbstractionStarter]: 35 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:22,887 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 36 thread instances. [2023-09-08 08:11:23,454 INFO L144 ThreadInstanceAdder]: Constructed 324 joinOtherThreadTransitions. [2023-09-08 08:11:23,485 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:23,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:23,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:23,487 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:23,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (37)] Waiting until timeout for monitored process [2023-09-08 08:11:23,494 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:23,494 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:23,494 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:23,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2023-09-08 08:11:27,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 74 more)] === [2023-09-08 08:11:27,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:27,142 INFO L85 PathProgramCache]: Analyzing trace with hash -91181552, now seen corresponding path program 1 times [2023-09-08 08:11:27,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:27,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771042389] [2023-09-08 08:11:27,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:27,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:27,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:27,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:27,506 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 77 remaining) [2023-09-08 08:11:27,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 77 remaining) [2023-09-08 08:11:27,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 77 remaining) [2023-09-08 08:11:27,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 77 remaining) [2023-09-08 08:11:27,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 77 remaining) [2023-09-08 08:11:27,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 77 remaining) [2023-09-08 08:11:27,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 77 remaining) [2023-09-08 08:11:27,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-09-08 08:11:27,511 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:27,511 WARN L233 ceAbstractionStarter]: 36 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:27,511 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 37 thread instances. [2023-09-08 08:11:28,274 INFO L144 ThreadInstanceAdder]: Constructed 333 joinOtherThreadTransitions. [2023-09-08 08:11:28,300 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:28,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:28,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:28,301 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:28,308 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:28,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:28,308 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:28,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2023-09-08 08:11:28,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (38)] Waiting until timeout for monitored process [2023-09-08 08:11:34,256 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 76 more)] === [2023-09-08 08:11:34,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:34,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1928706300, now seen corresponding path program 1 times [2023-09-08 08:11:34,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:34,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312932470] [2023-09-08 08:11:34,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:34,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:34,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:34,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:34,648 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (75 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (74 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 79 remaining) [2023-09-08 08:11:34,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 79 remaining) [2023-09-08 08:11:34,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 79 remaining) [2023-09-08 08:11:34,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 79 remaining) [2023-09-08 08:11:34,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 79 remaining) [2023-09-08 08:11:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 79 remaining) [2023-09-08 08:11:34,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-09-08 08:11:34,653 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:34,653 WARN L233 ceAbstractionStarter]: 37 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:34,653 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 38 thread instances. [2023-09-08 08:11:35,463 INFO L144 ThreadInstanceAdder]: Constructed 342 joinOtherThreadTransitions. [2023-09-08 08:11:35,493 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:35,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:35,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:35,496 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:35,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (39)] Waiting until timeout for monitored process [2023-09-08 08:11:35,501 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:35,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:35,502 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:35,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2023-09-08 08:11:41,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 78 more)] === [2023-09-08 08:11:41,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:41,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1743156545, now seen corresponding path program 1 times [2023-09-08 08:11:41,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:41,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523717504] [2023-09-08 08:11:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:41,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:41,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:42,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:42,176 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:42,176 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 81 remaining) [2023-09-08 08:11:42,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 81 remaining) [2023-09-08 08:11:42,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 81 remaining) [2023-09-08 08:11:42,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 81 remaining) [2023-09-08 08:11:42,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 81 remaining) [2023-09-08 08:11:42,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 81 remaining) [2023-09-08 08:11:42,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 81 remaining) [2023-09-08 08:11:42,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 81 remaining) [2023-09-08 08:11:42,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 81 remaining) [2023-09-08 08:11:42,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 81 remaining) [2023-09-08 08:11:42,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 81 remaining) [2023-09-08 08:11:42,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-09-08 08:11:42,181 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:42,181 WARN L233 ceAbstractionStarter]: 38 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:42,182 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 39 thread instances. [2023-09-08 08:11:43,099 INFO L144 ThreadInstanceAdder]: Constructed 351 joinOtherThreadTransitions. [2023-09-08 08:11:43,127 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:43,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:43,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:43,129 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:43,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (40)] Waiting until timeout for monitored process [2023-09-08 08:11:43,137 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:43,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:43,138 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:43,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2023-09-08 08:11:46,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 80 more)] === [2023-09-08 08:11:46,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:46,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1847252863, now seen corresponding path program 1 times [2023-09-08 08:11:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:46,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511162697] [2023-09-08 08:11:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:46,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:46,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:46,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:46,892 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (82 of 83 remaining) [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 83 remaining) [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 83 remaining) [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (79 of 83 remaining) [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 83 remaining) [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 83 remaining) [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 83 remaining) [2023-09-08 08:11:46,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 83 remaining) [2023-09-08 08:11:46,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 83 remaining) [2023-09-08 08:11:46,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 83 remaining) [2023-09-08 08:11:46,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 83 remaining) [2023-09-08 08:11:46,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 83 remaining) [2023-09-08 08:11:46,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 83 remaining) [2023-09-08 08:11:46,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 83 remaining) [2023-09-08 08:11:46,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 83 remaining) [2023-09-08 08:11:46,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 83 remaining) [2023-09-08 08:11:46,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 83 remaining) [2023-09-08 08:11:46,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 83 remaining) [2023-09-08 08:11:46,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-09-08 08:11:46,897 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:46,897 WARN L233 ceAbstractionStarter]: 39 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:46,897 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 40 thread instances. [2023-09-08 08:11:47,845 INFO L144 ThreadInstanceAdder]: Constructed 360 joinOtherThreadTransitions. [2023-09-08 08:11:48,033 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:48,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:48,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:48,036 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:48,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (41)] Waiting until timeout for monitored process [2023-09-08 08:11:48,042 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:48,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:48,042 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:48,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2023-09-08 08:11:52,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 82 more)] === [2023-09-08 08:11:52,583 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:52,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1498729386, now seen corresponding path program 1 times [2023-09-08 08:11:52,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:52,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710623737] [2023-09-08 08:11:52,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:52,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:52,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:53,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:53,022 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:53,022 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (84 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (81 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 85 remaining) [2023-09-08 08:11:53,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 85 remaining) [2023-09-08 08:11:53,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 85 remaining) [2023-09-08 08:11:53,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 85 remaining) [2023-09-08 08:11:53,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 85 remaining) [2023-09-08 08:11:53,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 85 remaining) [2023-09-08 08:11:53,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-09-08 08:11:53,028 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:53,028 WARN L233 ceAbstractionStarter]: 40 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:53,028 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 41 thread instances. [2023-09-08 08:11:53,950 INFO L144 ThreadInstanceAdder]: Constructed 369 joinOtherThreadTransitions. [2023-09-08 08:11:53,978 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:53,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:11:53,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:11:53,980 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:11:53,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (42)] Waiting until timeout for monitored process [2023-09-08 08:11:53,987 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:11:54,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:11:54,005 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:11:54,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2023-09-08 08:11:59,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 84 more)] === [2023-09-08 08:11:59,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:11:59,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1959805030, now seen corresponding path program 1 times [2023-09-08 08:11:59,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:11:59,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142358327] [2023-09-08 08:11:59,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:11:59,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:11:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:59,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:11:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:11:59,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:11:59,847 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (86 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (83 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (82 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 87 remaining) [2023-09-08 08:11:59,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 87 remaining) [2023-09-08 08:11:59,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 87 remaining) [2023-09-08 08:11:59,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 87 remaining) [2023-09-08 08:11:59,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 87 remaining) [2023-09-08 08:11:59,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 87 remaining) [2023-09-08 08:11:59,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 87 remaining) [2023-09-08 08:11:59,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 87 remaining) [2023-09-08 08:11:59,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 87 remaining) [2023-09-08 08:11:59,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 87 remaining) [2023-09-08 08:11:59,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 87 remaining) [2023-09-08 08:11:59,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 87 remaining) [2023-09-08 08:11:59,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 87 remaining) [2023-09-08 08:11:59,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-09-08 08:11:59,852 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:11:59,852 WARN L233 ceAbstractionStarter]: 41 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:11:59,852 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 42 thread instances. [2023-09-08 08:12:00,769 INFO L144 ThreadInstanceAdder]: Constructed 378 joinOtherThreadTransitions. [2023-09-08 08:12:00,874 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:00,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:12:00,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:12:00,877 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:12:00,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (43)] Waiting until timeout for monitored process [2023-09-08 08:12:00,883 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:12:00,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:12:00,883 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:00,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2023-09-08 08:12:06,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 86 more)] === [2023-09-08 08:12:06,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:12:06,279 INFO L85 PathProgramCache]: Analyzing trace with hash 824381519, now seen corresponding path program 1 times [2023-09-08 08:12:06,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:12:06,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418224238] [2023-09-08 08:12:06,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:12:06,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:12:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:06,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:12:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:06,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:12:06,783 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (88 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (85 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (84 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 89 remaining) [2023-09-08 08:12:06,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 89 remaining) [2023-09-08 08:12:06,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 89 remaining) [2023-09-08 08:12:06,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 89 remaining) [2023-09-08 08:12:06,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 89 remaining) [2023-09-08 08:12:06,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 89 remaining) [2023-09-08 08:12:06,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 89 remaining) [2023-09-08 08:12:06,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 89 remaining) [2023-09-08 08:12:06,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 89 remaining) [2023-09-08 08:12:06,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 89 remaining) [2023-09-08 08:12:06,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 89 remaining) [2023-09-08 08:12:06,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 89 remaining) [2023-09-08 08:12:06,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-09-08 08:12:06,788 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:12:06,789 WARN L233 ceAbstractionStarter]: 42 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:12:06,789 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 43 thread instances. [2023-09-08 08:12:07,838 INFO L144 ThreadInstanceAdder]: Constructed 387 joinOtherThreadTransitions. [2023-09-08 08:12:07,866 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:07,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:12:07,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:12:07,869 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:12:07,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (44)] Waiting until timeout for monitored process [2023-09-08 08:12:07,877 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:12:07,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:12:07,877 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:07,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2023-09-08 08:12:16,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 88 more)] === [2023-09-08 08:12:16,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:12:16,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1168303951, now seen corresponding path program 1 times [2023-09-08 08:12:16,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:12:16,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002347842] [2023-09-08 08:12:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:12:16,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:12:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:16,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:12:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:16,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:12:16,619 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (87 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (86 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 91 remaining) [2023-09-08 08:12:16,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 91 remaining) [2023-09-08 08:12:16,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 91 remaining) [2023-09-08 08:12:16,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 91 remaining) [2023-09-08 08:12:16,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 91 remaining) [2023-09-08 08:12:16,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 91 remaining) [2023-09-08 08:12:16,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 91 remaining) [2023-09-08 08:12:16,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-09-08 08:12:16,625 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:12:16,626 WARN L233 ceAbstractionStarter]: 43 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:12:16,626 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 44 thread instances. [2023-09-08 08:12:17,426 INFO L144 ThreadInstanceAdder]: Constructed 396 joinOtherThreadTransitions. [2023-09-08 08:12:17,551 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:17,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:12:17,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:12:17,554 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:12:17,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (45)] Waiting until timeout for monitored process [2023-09-08 08:12:17,561 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:12:17,561 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:12:17,561 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:17,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2023-09-08 08:12:25,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 90 more)] === [2023-09-08 08:12:25,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:12:25,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1013436884, now seen corresponding path program 1 times [2023-09-08 08:12:25,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:12:25,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315106324] [2023-09-08 08:12:25,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:12:25,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:12:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:25,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:12:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:25,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:12:25,975 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:12:25,975 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 93 remaining) [2023-09-08 08:12:25,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 93 remaining) [2023-09-08 08:12:25,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 93 remaining) [2023-09-08 08:12:25,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (89 of 93 remaining) [2023-09-08 08:12:25,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (88 of 93 remaining) [2023-09-08 08:12:25,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 93 remaining) [2023-09-08 08:12:25,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 93 remaining) [2023-09-08 08:12:25,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 93 remaining) [2023-09-08 08:12:25,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 93 remaining) [2023-09-08 08:12:25,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 93 remaining) [2023-09-08 08:12:25,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 93 remaining) [2023-09-08 08:12:25,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 93 remaining) [2023-09-08 08:12:25,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-09-08 08:12:25,981 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:12:25,981 WARN L233 ceAbstractionStarter]: 44 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:12:25,981 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 45 thread instances. [2023-09-08 08:12:26,867 INFO L144 ThreadInstanceAdder]: Constructed 405 joinOtherThreadTransitions. [2023-09-08 08:12:27,029 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:27,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:12:27,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:12:27,058 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:12:27,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (46)] Waiting until timeout for monitored process [2023-09-08 08:12:27,066 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:12:27,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:12:27,067 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:27,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 95 error locations. [2023-09-08 08:12:32,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 92 more)] === [2023-09-08 08:12:32,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:12:32,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1072790176, now seen corresponding path program 1 times [2023-09-08 08:12:32,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:12:32,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170554316] [2023-09-08 08:12:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:12:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:12:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:32,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:12:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:32,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:12:32,917 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (94 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 95 remaining) [2023-09-08 08:12:32,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 95 remaining) [2023-09-08 08:12:32,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 95 remaining) [2023-09-08 08:12:32,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 95 remaining) [2023-09-08 08:12:32,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 95 remaining) [2023-09-08 08:12:32,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 95 remaining) [2023-09-08 08:12:32,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 95 remaining) [2023-09-08 08:12:32,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-09-08 08:12:32,922 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:12:32,923 WARN L233 ceAbstractionStarter]: 45 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:12:32,923 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 46 thread instances. [2023-09-08 08:12:34,051 INFO L144 ThreadInstanceAdder]: Constructed 414 joinOtherThreadTransitions. [2023-09-08 08:12:34,088 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:34,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:12:34,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:12:34,091 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:12:34,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (47)] Waiting until timeout for monitored process [2023-09-08 08:12:34,102 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:12:34,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:12:34,103 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:34,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2023-09-08 08:12:41,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 94 more)] === [2023-09-08 08:12:41,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:12:41,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1281012461, now seen corresponding path program 1 times [2023-09-08 08:12:41,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:12:41,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439623956] [2023-09-08 08:12:41,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:12:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:12:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:41,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:12:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:42,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:12:42,028 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 97 remaining) [2023-09-08 08:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 97 remaining) [2023-09-08 08:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 97 remaining) [2023-09-08 08:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 97 remaining) [2023-09-08 08:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 97 remaining) [2023-09-08 08:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 97 remaining) [2023-09-08 08:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 97 remaining) [2023-09-08 08:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 97 remaining) [2023-09-08 08:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 97 remaining) [2023-09-08 08:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 97 remaining) [2023-09-08 08:12:42,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 97 remaining) [2023-09-08 08:12:42,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 97 remaining) [2023-09-08 08:12:42,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 97 remaining) [2023-09-08 08:12:42,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 97 remaining) [2023-09-08 08:12:42,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 97 remaining) [2023-09-08 08:12:42,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-09-08 08:12:42,034 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:12:42,036 WARN L233 ceAbstractionStarter]: 46 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:12:42,036 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 47 thread instances. [2023-09-08 08:12:43,161 INFO L144 ThreadInstanceAdder]: Constructed 423 joinOtherThreadTransitions. [2023-09-08 08:12:43,199 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:43,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:12:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:12:43,202 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:12:43,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (48)] Waiting until timeout for monitored process [2023-09-08 08:12:43,228 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:12:43,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:12:43,228 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:43,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 99 error locations. [2023-09-08 08:12:53,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 96 more)] === [2023-09-08 08:12:53,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:12:53,762 INFO L85 PathProgramCache]: Analyzing trace with hash -180901005, now seen corresponding path program 1 times [2023-09-08 08:12:53,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:12:53,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107045341] [2023-09-08 08:12:53,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:12:53,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:12:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:54,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:12:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:12:54,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:12:54,376 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:12:54,376 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (98 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (97 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (96 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (95 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (94 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 99 remaining) [2023-09-08 08:12:54,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 99 remaining) [2023-09-08 08:12:54,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 99 remaining) [2023-09-08 08:12:54,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 99 remaining) [2023-09-08 08:12:54,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 99 remaining) [2023-09-08 08:12:54,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 99 remaining) [2023-09-08 08:12:54,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 99 remaining) [2023-09-08 08:12:54,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 99 remaining) [2023-09-08 08:12:54,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 99 remaining) [2023-09-08 08:12:54,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-09-08 08:12:54,383 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:12:54,383 WARN L233 ceAbstractionStarter]: 47 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:12:54,383 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 48 thread instances. [2023-09-08 08:12:55,627 INFO L144 ThreadInstanceAdder]: Constructed 432 joinOtherThreadTransitions. [2023-09-08 08:12:55,665 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:55,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:12:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:12:55,666 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:12:55,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (49)] Waiting until timeout for monitored process [2023-09-08 08:12:55,678 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:12:55,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:12:55,679 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:12:55,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2023-09-08 08:13:09,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 98 more)] === [2023-09-08 08:13:09,236 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:13:09,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1002488722, now seen corresponding path program 1 times [2023-09-08 08:13:09,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:13:09,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035533435] [2023-09-08 08:13:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:13:09,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:13:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:13:09,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:13:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:13:09,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:13:09,890 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (99 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (98 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (97 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (96 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 101 remaining) [2023-09-08 08:13:09,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 101 remaining) [2023-09-08 08:13:09,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 101 remaining) [2023-09-08 08:13:09,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 101 remaining) [2023-09-08 08:13:09,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 101 remaining) [2023-09-08 08:13:09,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 101 remaining) [2023-09-08 08:13:09,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 101 remaining) [2023-09-08 08:13:09,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-09-08 08:13:09,897 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:13:09,897 WARN L233 ceAbstractionStarter]: 48 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:13:09,897 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 49 thread instances. [2023-09-08 08:13:10,948 INFO L144 ThreadInstanceAdder]: Constructed 441 joinOtherThreadTransitions. [2023-09-08 08:13:10,987 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:13:10,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:13:10,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:13:10,990 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:13:10,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (50)] Waiting until timeout for monitored process [2023-09-08 08:13:11,000 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:13:11,000 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:13:11,000 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:13:11,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2023-09-08 08:13:25,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 100 more)] === [2023-09-08 08:13:25,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:13:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1221480470, now seen corresponding path program 1 times [2023-09-08 08:13:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:13:25,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013088325] [2023-09-08 08:13:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:13:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:13:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:13:26,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:13:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:13:26,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:13:26,517 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (101 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (100 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (99 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (98 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (97 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (96 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 103 remaining) [2023-09-08 08:13:26,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 103 remaining) [2023-09-08 08:13:26,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 103 remaining) [2023-09-08 08:13:26,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 103 remaining) [2023-09-08 08:13:26,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 103 remaining) [2023-09-08 08:13:26,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 103 remaining) [2023-09-08 08:13:26,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 103 remaining) [2023-09-08 08:13:26,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 103 remaining) [2023-09-08 08:13:26,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 103 remaining) [2023-09-08 08:13:26,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 103 remaining) [2023-09-08 08:13:26,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-09-08 08:13:26,523 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:13:26,523 WARN L233 ceAbstractionStarter]: 49 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:13:26,523 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 50 thread instances. [2023-09-08 08:13:27,597 INFO L144 ThreadInstanceAdder]: Constructed 450 joinOtherThreadTransitions. [2023-09-08 08:13:27,635 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:13:27,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:13:27,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:13:27,638 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:13:27,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (51)] Waiting until timeout for monitored process [2023-09-08 08:13:27,648 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:13:27,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:13:27,649 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:13:27,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2023-09-08 08:13:45,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 102 more)] === [2023-09-08 08:13:45,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:13:45,985 INFO L85 PathProgramCache]: Analyzing trace with hash 874939675, now seen corresponding path program 1 times [2023-09-08 08:13:45,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:13:45,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93882797] [2023-09-08 08:13:45,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:13:45,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:13:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:13:46,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:13:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:13:46,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:13:46,705 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (104 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (103 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (102 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (99 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (98 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (97 of 105 remaining) [2023-09-08 08:13:46,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (96 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 105 remaining) [2023-09-08 08:13:46,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 105 remaining) [2023-09-08 08:13:46,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 105 remaining) [2023-09-08 08:13:46,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 105 remaining) [2023-09-08 08:13:46,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 105 remaining) [2023-09-08 08:13:46,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 105 remaining) [2023-09-08 08:13:46,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 105 remaining) [2023-09-08 08:13:46,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 105 remaining) [2023-09-08 08:13:46,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 105 remaining) [2023-09-08 08:13:46,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 105 remaining) [2023-09-08 08:13:46,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 105 remaining) [2023-09-08 08:13:46,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 105 remaining) [2023-09-08 08:13:46,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 105 remaining) [2023-09-08 08:13:46,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 105 remaining) [2023-09-08 08:13:46,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 105 remaining) [2023-09-08 08:13:46,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 105 remaining) [2023-09-08 08:13:46,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 105 remaining) [2023-09-08 08:13:46,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 105 remaining) [2023-09-08 08:13:46,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 105 remaining) [2023-09-08 08:13:46,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 105 remaining) [2023-09-08 08:13:46,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 105 remaining) [2023-09-08 08:13:46,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 105 remaining) [2023-09-08 08:13:46,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 105 remaining) [2023-09-08 08:13:46,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 105 remaining) [2023-09-08 08:13:46,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-09-08 08:13:46,715 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:13:46,715 WARN L233 ceAbstractionStarter]: 50 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:13:46,715 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 51 thread instances. [2023-09-08 08:13:47,808 INFO L144 ThreadInstanceAdder]: Constructed 459 joinOtherThreadTransitions. [2023-09-08 08:13:47,871 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:13:47,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:13:47,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:13:47,873 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:13:47,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (52)] Waiting until timeout for monitored process [2023-09-08 08:13:47,885 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:13:47,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:13:47,889 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:13:47,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 107 error locations. [2023-09-08 08:14:00,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 104 more)] === [2023-09-08 08:14:00,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:14:00,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1319389243, now seen corresponding path program 1 times [2023-09-08 08:14:00,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:14:00,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012589863] [2023-09-08 08:14:00,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:14:00,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:14:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:14:00,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:14:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:14:00,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:14:00,783 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (105 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (104 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (103 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (101 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (100 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (99 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (98 of 107 remaining) [2023-09-08 08:14:00,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (97 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (96 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 107 remaining) [2023-09-08 08:14:00,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 107 remaining) [2023-09-08 08:14:00,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 107 remaining) [2023-09-08 08:14:00,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 107 remaining) [2023-09-08 08:14:00,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 107 remaining) [2023-09-08 08:14:00,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 107 remaining) [2023-09-08 08:14:00,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 107 remaining) [2023-09-08 08:14:00,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 107 remaining) [2023-09-08 08:14:00,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 107 remaining) [2023-09-08 08:14:00,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 107 remaining) [2023-09-08 08:14:00,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 107 remaining) [2023-09-08 08:14:00,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-09-08 08:14:00,790 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:14:00,790 WARN L233 ceAbstractionStarter]: 51 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:14:00,790 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 52 thread instances. [2023-09-08 08:14:01,927 INFO L144 ThreadInstanceAdder]: Constructed 468 joinOtherThreadTransitions. [2023-09-08 08:14:01,967 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:14:01,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:14:01,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:14:01,970 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:14:01,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (53)] Waiting until timeout for monitored process [2023-09-08 08:14:01,981 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:14:01,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:14:01,986 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:14:01,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 109 error locations. [2023-09-08 08:14:24,868 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 106 more)] === [2023-09-08 08:14:24,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:14:24,868 INFO L85 PathProgramCache]: Analyzing trace with hash 435035272, now seen corresponding path program 1 times [2023-09-08 08:14:24,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:14:24,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11776024] [2023-09-08 08:14:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:14:24,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:14:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:14:25,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:14:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:14:25,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:14:25,607 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (108 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (107 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (106 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (105 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (104 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (103 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (102 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (101 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (100 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (99 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (98 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (97 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (96 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 109 remaining) [2023-09-08 08:14:25,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 109 remaining) [2023-09-08 08:14:25,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 109 remaining) [2023-09-08 08:14:25,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 109 remaining) [2023-09-08 08:14:25,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 109 remaining) [2023-09-08 08:14:25,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 109 remaining) [2023-09-08 08:14:25,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 109 remaining) [2023-09-08 08:14:25,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 109 remaining) [2023-09-08 08:14:25,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-09-08 08:14:25,770 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:14:25,770 WARN L233 ceAbstractionStarter]: 52 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:14:25,770 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 53 thread instances. [2023-09-08 08:14:27,013 INFO L144 ThreadInstanceAdder]: Constructed 477 joinOtherThreadTransitions. [2023-09-08 08:14:27,055 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:14:27,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:14:27,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:14:27,057 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:14:27,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (54)] Waiting until timeout for monitored process [2023-09-08 08:14:27,067 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:14:27,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:14:27,067 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:14:27,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2023-09-08 08:14:43,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 108 more)] === [2023-09-08 08:14:43,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:14:43,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1659181052, now seen corresponding path program 1 times [2023-09-08 08:14:43,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:14:43,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323810131] [2023-09-08 08:14:43,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:14:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:14:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:14:43,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:14:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:14:43,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:14:43,836 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:14:43,836 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (110 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (109 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (108 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (107 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (105 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (104 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (103 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (102 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (101 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (100 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (99 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (98 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (97 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (96 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 111 remaining) [2023-09-08 08:14:43,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 111 remaining) [2023-09-08 08:14:43,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 111 remaining) [2023-09-08 08:14:43,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 111 remaining) [2023-09-08 08:14:43,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 111 remaining) [2023-09-08 08:14:43,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 111 remaining) [2023-09-08 08:14:43,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 111 remaining) [2023-09-08 08:14:43,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 111 remaining) [2023-09-08 08:14:43,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 111 remaining) [2023-09-08 08:14:43,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 111 remaining) [2023-09-08 08:14:43,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 111 remaining) [2023-09-08 08:14:43,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 111 remaining) [2023-09-08 08:14:43,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 111 remaining) [2023-09-08 08:14:43,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 111 remaining) [2023-09-08 08:14:43,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-09-08 08:14:43,843 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:14:43,843 WARN L233 ceAbstractionStarter]: 53 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:14:43,843 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 54 thread instances. [2023-09-08 08:14:45,050 INFO L144 ThreadInstanceAdder]: Constructed 486 joinOtherThreadTransitions. [2023-09-08 08:14:45,202 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:14:45,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:14:45,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:14:45,210 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:14:45,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (55)] Waiting until timeout for monitored process [2023-09-08 08:14:45,229 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:14:45,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:14:45,230 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:14:45,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2023-09-08 08:15:03,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 110 more)] === [2023-09-08 08:15:03,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 08:15:03,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2088784167, now seen corresponding path program 1 times [2023-09-08 08:15:03,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 08:15:03,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592367310] [2023-09-08 08:15:03,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 08:15:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 08:15:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:15:04,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 08:15:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 08:15:04,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 08:15:04,570 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (112 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (111 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (110 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (109 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (108 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (107 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (106 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (105 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (104 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (103 of 113 remaining) [2023-09-08 08:15:04,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (102 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (101 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (100 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (99 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (98 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (97 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (96 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (95 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (94 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (93 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (92 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (91 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (90 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (89 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (88 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (87 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (86 of 113 remaining) [2023-09-08 08:15:04,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (85 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (84 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (83 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (82 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (81 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (80 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (79 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (78 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (77 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (75 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (74 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (73 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (71 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (70 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (69 of 113 remaining) [2023-09-08 08:15:04,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (67 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (66 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (65 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (63 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (62 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (61 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (60 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (59 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (58 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (57 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (56 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (55 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (54 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (53 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (52 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (51 of 113 remaining) [2023-09-08 08:15:04,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (50 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (49 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (48 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (47 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (46 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (45 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (44 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (43 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (41 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (36 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (34 of 113 remaining) [2023-09-08 08:15:04,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (33 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 113 remaining) [2023-09-08 08:15:04,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 113 remaining) [2023-09-08 08:15:04,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 113 remaining) [2023-09-08 08:15:04,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-09-08 08:15:04,577 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-08 08:15:04,577 WARN L233 ceAbstractionStarter]: 54 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-08 08:15:04,577 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 55 thread instances. [2023-09-08 08:15:05,929 INFO L144 ThreadInstanceAdder]: Constructed 495 joinOtherThreadTransitions. [2023-09-08 08:15:05,969 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:15:05,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 08:15:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 08:15:05,971 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 08:15:05,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (56)] Waiting until timeout for monitored process [2023-09-08 08:15:05,984 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 08:15:05,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 08:15:05,984 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;@19f82b3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 08:15:05,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 115 error locations.