/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-theta/exponential-4.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:36:48,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:36:48,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:36:48,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:36:48,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:36:48,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:36:48,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:36:48,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:36:48,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:36:48,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:36:48,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:36:48,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:36:48,778 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:36:48,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:36:48,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:36:48,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:36:48,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:36:48,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:36:48,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:36:48,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:36:48,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:36:48,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-16 00:36:49,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:36:49,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:36:49,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:36:49,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 00:36:49,063 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 00:36:49,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-theta/exponential-4.i [2024-11-16 00:36:50,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 00:36:50,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 00:36:50,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-theta/exponential-4.i [2024-11-16 00:36:50,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7f5a8ba34/fe64dc3763d44bd78cbd7e00b3edcf70/FLAG4a2c528e0 [2024-11-16 00:36:50,952 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7f5a8ba34/fe64dc3763d44bd78cbd7e00b3edcf70 [2024-11-16 00:36:50,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:36:50,958 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-16 00:36:50,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 00:36:50,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 00:36:50,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 00:36:50,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:50" (1/1) ... [2024-11-16 00:36:50,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583236c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:50, skipping insertion in model container [2024-11-16 00:36:50,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:50" (1/1) ... [2024-11-16 00:36:51,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 00:36:51,338 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-theta/exponential-4.i[33030,33043] [2024-11-16 00:36:51,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:36:51,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 00:36:51,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-theta/exponential-4.i[33030,33043] [2024-11-16 00:36:51,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:36:51,446 INFO L204 MainTranslator]: Completed translation [2024-11-16 00:36:51,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51 WrapperNode [2024-11-16 00:36:51,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 00:36:51,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:36:51,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:36:51,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:36:51,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,484 INFO L138 Inliner]: procedures = 169, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-16 00:36:51,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:36:51,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:36:51,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:36:51,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:36:51,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:36:51,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:36:51,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:36:51,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:36:51,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (1/1) ... [2024-11-16 00:36:51,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:36:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:36:51,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-16 00:36:51,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-16 00:36:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 00:36:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-16 00:36:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-16 00:36:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-16 00:36:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-16 00:36:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 00:36:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:36:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:36:51,569 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 00:36:51,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:36:51,680 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:36:51,829 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:36:51,829 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:36:51,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:36:51,843 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-16 00:36:51,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:51 BoogieIcfgContainer [2024-11-16 00:36:51,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:36:51,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:36:51,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:36:51,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:36:51,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:36:50" (1/3) ... [2024-11-16 00:36:51,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58071d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:51, skipping insertion in model container [2024-11-16 00:36:51,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:51" (2/3) ... [2024-11-16 00:36:51,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58071d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:51, skipping insertion in model container [2024-11-16 00:36:51,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:51" (3/3) ... [2024-11-16 00:36:51,856 INFO L112 eAbstractionObserver]: Analyzing ICFG exponential-4.i [2024-11-16 00:36:51,872 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:36:51,874 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG exponential-4.i that has 3 procedures, 73 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-16 00:36:51,874 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:36:51,942 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 00:36:51,988 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:51,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:36:51,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:36:51,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-16 00:36:51,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-16 00:36:52,057 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:36:52,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:36:52,078 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@64f0e7a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:52,078 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:36:52,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:52,413 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:52,413 INFO L132 ounterexampleChecker]: Examining path program with hash -1940334286, occurence #1 [2024-11-16 00:36:52,413 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:52,413 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:52,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:52,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1813704847, now seen corresponding path program 1 times [2024-11-16 00:36:52,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:52,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008122681] [2024-11-16 00:36:52,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:52,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:52,591 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 00:36:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:52,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 00:36:52,660 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-16 00:36:52,662 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-11-16 00:36:52,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-16 00:36:52,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-16 00:36:52,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:36:52,671 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 00:36:52,675 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 00:36:52,675 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 00:36:52,707 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 00:36:52,714 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:52,725 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:36:52,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:36:52,726 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@64f0e7a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:52,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:36:54,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:54,118 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:54,118 INFO L132 ounterexampleChecker]: Examining path program with hash -903164597, occurence #1 [2024-11-16 00:36:54,118 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:54,118 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:54,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:54,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1178243431, now seen corresponding path program 1 times [2024-11-16 00:36:54,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:54,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789132026] [2024-11-16 00:36:54,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:54,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:54,204 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 00:36:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:54,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 00:36:54,296 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-16 00:36:54,297 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-11-16 00:36:54,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-16 00:36:54,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-16 00:36:54,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 00:36:54,298 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 00:36:54,300 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 00:36:54,300 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-16 00:36:54,321 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 00:36:54,328 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:54,338 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:36:54,339 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:36:54,339 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@64f0e7a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:54,339 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:36:55,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:55,135 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:55,135 INFO L132 ounterexampleChecker]: Examining path program with hash 89972030, occurence #1 [2024-11-16 00:36:55,135 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:55,135 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:55,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash 42635459, now seen corresponding path program 1 times [2024-11-16 00:36:55,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:55,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914495451] [2024-11-16 00:36:55,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:55,328 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 00:36:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:55,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 00:36:55,524 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-16 00:36:55,524 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-11-16 00:36:55,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-16 00:36:55,525 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-16 00:36:55,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 00:36:55,528 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 00:36:55,528 WARN L247 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 00:36:55,528 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-16 00:36:55,553 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 00:36:55,559 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:55,573 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:36:55,573 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:36:55,574 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@64f0e7a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:55,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:36:57,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:57,520 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:57,521 INFO L132 ounterexampleChecker]: Examining path program with hash 1795714226, occurence #1 [2024-11-16 00:36:57,521 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:57,521 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:57,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:57,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2105562539, now seen corresponding path program 1 times [2024-11-16 00:36:57,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:57,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34022005] [2024-11-16 00:36:57,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:57,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:58,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:58,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34022005] [2024-11-16 00:36:58,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34022005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:58,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:58,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 00:36:58,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679957566] [2024-11-16 00:36:58,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:58,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 00:36:58,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:58,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 00:36:58,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-16 00:36:58,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:58,128 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:58,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:36:58,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:58,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:36:58,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 00:36:58,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:58,455 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:58,455 INFO L132 ounterexampleChecker]: Examining path program with hash 909749345, occurence #1 [2024-11-16 00:36:58,455 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:58,455 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:58,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash -180384102, now seen corresponding path program 1 times [2024-11-16 00:36:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:58,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419079554] [2024-11-16 00:36:58,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:58,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:58,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:58,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419079554] [2024-11-16 00:36:58,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419079554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:58,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:58,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 00:36:58,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726159196] [2024-11-16 00:36:58,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:58,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 00:36:58,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:58,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 00:36:58,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 00:36:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:58,671 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:58,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:36:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:36:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:36:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:58,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 00:36:58,719 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:58,720 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:58,720 INFO L132 ounterexampleChecker]: Examining path program with hash -942926012, occurence #1 [2024-11-16 00:36:58,720 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:58,720 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:58,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:58,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1872844932, now seen corresponding path program 1 times [2024-11-16 00:36:58,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:58,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271361550] [2024-11-16 00:36:58,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:58,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:58,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271361550] [2024-11-16 00:36:58,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271361550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:36:58,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284119262] [2024-11-16 00:36:58,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:58,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:36:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:36:58,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:36:58,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 00:36:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:59,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 00:36:59,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:36:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:59,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:36:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:59,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284119262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:36:59,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:36:59,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-16 00:36:59,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658050623] [2024-11-16 00:36:59,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:36:59,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 00:36:59,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:59,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 00:36:59,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-16 00:36:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:59,482 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:59,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.923076923076923) internal successors, (181), 13 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:36:59,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:36:59,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:59,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:36:59,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 00:36:59,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-16 00:36:59,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:59,817 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:59,818 INFO L132 ounterexampleChecker]: Examining path program with hash -942926012, occurence #2 [2024-11-16 00:36:59,818 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:36:59,819 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-16 00:36:59,819 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,819 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-16 00:36:59,820 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,820 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-16 00:36:59,820 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,820 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-16 00:36:59,820 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,820 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-16 00:36:59,820 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,820 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-16 00:36:59,820 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,820 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-16 00:36:59,820 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,820 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-16 00:36:59,820 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,820 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-16 00:36:59,821 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,821 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-16 00:36:59,821 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,821 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-16 00:36:59,821 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,821 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-16 00:36:59,821 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,821 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-16 00:36:59,821 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,821 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-16 00:36:59,821 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,821 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-16 00:36:59,821 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,822 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-16 00:36:59,822 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,822 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-16 00:36:59,822 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,822 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-16 00:36:59,822 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,822 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-16 00:36:59,822 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,822 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-16 00:36:59,822 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,822 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-16 00:36:59,822 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-16 00:36:59,823 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-16 00:36:59,823 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-16 00:36:59,823 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-16 00:36:59,823 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-16 00:36:59,823 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-11-16 00:36:59,823 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:36:59,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-16 00:36:59,823 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-16 00:36:59,824 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-16 00:36:59,824 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-16 00:36:59,824 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-16 00:36:59,824 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-16 00:36:59,824 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-16 00:36:59,824 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-16 00:36:59,824 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-16 00:36:59,825 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-16 00:36:59,825 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-16 00:36:59,825 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-11-16 00:36:59,825 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2024-11-16 00:36:59,825 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-16 00:36:59,825 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-16 00:36:59,825 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,825 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2024-11-16 00:36:59,826 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,826 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-16 00:36:59,826 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,826 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-16 00:36:59,826 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,826 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-16 00:36:59,826 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,826 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-16 00:36:59,826 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,826 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-16 00:36:59,826 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,826 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-11-16 00:36:59,826 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,826 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-11-16 00:36:59,827 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,827 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-11-16 00:36:59,827 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,827 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-11-16 00:36:59,827 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,827 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-16 00:36:59,827 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,827 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-16 00:36:59,827 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,827 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-16 00:36:59,827 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,827 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-16 00:36:59,827 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:36:59,827 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:36:59,827 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:59,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:59,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1640304452, now seen corresponding path program 2 times [2024-11-16 00:36:59,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:59,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738808227] [2024-11-16 00:36:59,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:59,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:37:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:37:00,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:37:00,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738808227] [2024-11-16 00:37:00,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738808227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:37:00,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317876116] [2024-11-16 00:37:00,147 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 00:37:00,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:37:00,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:37:00,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:37:00,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 00:37:00,253 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 00:37:00,253 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:37:00,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 00:37:00,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:37:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 00:37:00,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 00:37:00,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317876116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:37:00,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 00:37:00,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-16 00:37:00,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132978752] [2024-11-16 00:37:00,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:37:00,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 00:37:00,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:37:00,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 00:37:00,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-16 00:37:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:00,295 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:37:00,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:37:00,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:37:00,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:00,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:37:00,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:00,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:37:00,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:00,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:37:00,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:00,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 00:37:00,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:37:00,564 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:37:00,564 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:37:00,564 INFO L132 ounterexampleChecker]: Examining path program with hash 1826653325, occurence #1 [2024-11-16 00:37:00,565 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:37:00,565 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:37:00,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:37:00,565 INFO L85 PathProgramCache]: Analyzing trace with hash -867317375, now seen corresponding path program 1 times [2024-11-16 00:37:00,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:37:00,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082791092] [2024-11-16 00:37:00,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:37:00,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:37:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:37:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:37:00,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:37:00,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082791092] [2024-11-16 00:37:00,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082791092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:37:00,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617936923] [2024-11-16 00:37:00,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:37:00,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:37:00,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:37:00,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:37:00,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 00:37:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:37:00,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 00:37:00,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:37:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:37:01,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:37:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:37:01,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617936923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:37:01,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:37:01,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-11-16 00:37:01,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905888233] [2024-11-16 00:37:01,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:37:01,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-16 00:37:01,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:37:01,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-16 00:37:01,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-16 00:37:01,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:01,510 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:37:01,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.421052631578947) internal successors, (160), 19 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:37:01,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:37:01,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:01,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:37:01,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:01,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:37:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:37:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 00:37:01,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 00:37:01,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:37:01,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:37:01,888 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:37:01,889 INFO L132 ounterexampleChecker]: Examining path program with hash 1826653325, occurence #2 [2024-11-16 00:37:01,889 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:37:01,889 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-16 00:37:01,889 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,889 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-16 00:37:01,889 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,889 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-16 00:37:01,889 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,889 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-16 00:37:01,889 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,889 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-16 00:37:01,889 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-16 00:37:01,890 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-16 00:37:01,890 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-16 00:37:01,890 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-16 00:37:01,890 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-16 00:37:01,890 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-16 00:37:01,890 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-16 00:37:01,890 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,890 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-16 00:37:01,890 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-16 00:37:01,891 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-16 00:37:01,891 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-16 00:37:01,891 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-16 00:37:01,891 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-16 00:37:01,891 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-16 00:37:01,891 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-16 00:37:01,891 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-16 00:37:01,891 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,891 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-16 00:37:01,891 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-16 00:37:01,892 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-16 00:37:01,892 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-16 00:37:01,892 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-16 00:37:01,892 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-11-16 00:37:01,892 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-16 00:37:01,892 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-16 00:37:01,892 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-16 00:37:01,892 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,892 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-16 00:37:01,892 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2024-11-16 00:37:01,893 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,893 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-16 00:37:01,894 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,894 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,895 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-16 00:37:01,895 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,896 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-16 00:37:01,896 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,896 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2024-11-16 00:37:01,896 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,896 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-11-16 00:37:01,896 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,896 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-16 00:37:01,896 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,896 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2024-11-16 00:37:01,896 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,896 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-11-16 00:37:01,896 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:37:01,896 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:37:01,896 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:37:01,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:37:01,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1098699999, now seen corresponding path program 2 times [2024-11-16 00:37:01,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:37:01,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572769111] [2024-11-16 00:37:01,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:37:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:37:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:37:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-16 00:37:02,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:37:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572769111] [2024-11-16 00:37:02,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572769111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:37:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774546278] [2024-11-16 00:37:02,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 00:37:02,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:37:02,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:37:02,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:37:02,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 00:37:02,460 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 00:37:02,460 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:37:02,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 00:37:02,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:37:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:37:02,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:37:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-16 00:37:02,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774546278] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 00:37:02,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-16 00:37:02,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 8] total 10 [2024-11-16 00:37:02,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301436543] [2024-11-16 00:37:02,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:37:02,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 00:37:02,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:37:02,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 00:37:02,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 00:37:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:02,954 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:37:02,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:37:02,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:37:02,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:02,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-16 00:37:02,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:02,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-16 00:37:02,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.