/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 12:32:16,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 12:32:16,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 12:32:16,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 12:32:16,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 12:32:16,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 12:32:16,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 12:32:16,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 12:32:16,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 12:32:16,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 12:32:16,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 12:32:16,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 12:32:16,283 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 12:32:16,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 12:32:16,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 12:32:16,284 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:32:16,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:32:16,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:32:16,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 12:32:16,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 12:32:16,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 12:32:16,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 12:32:16,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 12:32:16,511 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 12:32:16,512 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 12:32:16,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2025-04-14 12:32:17,830 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74050bad5/aae54a321155472c9a2e48b63ea13175/FLAG8eb005684 [2025-04-14 12:32:18,032 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 12:32:18,033 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2025-04-14 12:32:18,040 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74050bad5/aae54a321155472c9a2e48b63ea13175/FLAG8eb005684 [2025-04-14 12:32:18,830 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74050bad5/aae54a321155472c9a2e48b63ea13175 [2025-04-14 12:32:18,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 12:32:18,833 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 12:32:18,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 12:32:18,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 12:32:18,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 12:32:18,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:32:18" (1/1) ... [2025-04-14 12:32:18,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5818d07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:18, skipping insertion in model container [2025-04-14 12:32:18,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:32:18" (1/1) ... [2025-04-14 12:32:18,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 12:32:18,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2025-04-14 12:32:19,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:32:19,009 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 12:32:19,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2025-04-14 12:32:19,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:32:19,052 INFO L204 MainTranslator]: Completed translation [2025-04-14 12:32:19,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19 WrapperNode [2025-04-14 12:32:19,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 12:32:19,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 12:32:19,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 12:32:19,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 12:32:19,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,080 INFO L138 Inliner]: procedures = 21, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2025-04-14 12:32:19,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 12:32:19,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 12:32:19,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 12:32:19,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 12:32:19,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 12:32:19,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 12:32:19,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 12:32:19,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 12:32:19,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (1/1) ... [2025-04-14 12:32:19,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:32:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:19,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 12:32:19,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 12:32:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 12:32:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 12:32:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 12:32:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 12:32:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 12:32:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 12:32:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 12:32:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 12:32:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 12:32:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 12:32:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 12:32:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 12:32:19,155 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 12:32:19,222 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 12:32:19,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 12:32:19,369 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 12:32:19,369 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 12:32:19,472 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 12:32:19,473 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 12:32:19,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:32:19 BoogieIcfgContainer [2025-04-14 12:32:19,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 12:32:19,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 12:32:19,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 12:32:19,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 12:32:19,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:32:18" (1/3) ... [2025-04-14 12:32:19,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0a1a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:32:19, skipping insertion in model container [2025-04-14 12:32:19,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:19" (2/3) ... [2025-04-14 12:32:19,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0a1a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:32:19, skipping insertion in model container [2025-04-14 12:32:19,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:32:19" (3/3) ... [2025-04-14 12:32:19,479 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2025-04-14 12:32:19,489 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 12:32:19,490 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-5.wvr.c that has 4 procedures, 33 locations, 33 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-04-14 12:32:19,490 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 12:32:19,535 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-14 12:32:19,570 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:32:19,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 12:32:19,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:19,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 12:32:19,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 12:32:19,627 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 12:32:19,639 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 12:32:19,647 INFO L340 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;@1a6258fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:32:19,647 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-14 12:32:19,952 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:19,952 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:19,952 INFO L139 ounterexampleChecker]: Examining path program with hash 817034672, occurence #1 [2025-04-14 12:32:19,952 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:19,952 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:19,955 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:19,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1149330371, now seen corresponding path program 1 times [2025-04-14 12:32:19,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:19,960 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850819915] [2025-04-14 12:32:19,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:19,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:20,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-14 12:32:20,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-14 12:32:20,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:20,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:20,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:20,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850819915] [2025-04-14 12:32:20,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850819915] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:20,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:20,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 12:32:20,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130820473] [2025-04-14 12:32:20,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:20,320 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:32:20,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:20,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:32:20,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:32:20,333 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:20,334 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:20,335 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:20,335 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:20,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:20,475 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 12:32:20,475 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:20,475 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:20,476 INFO L139 ounterexampleChecker]: Examining path program with hash -1246737580, occurence #1 [2025-04-14 12:32:20,476 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:20,476 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:20,476 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:20,476 INFO L85 PathProgramCache]: Analyzing trace with hash -727251676, now seen corresponding path program 1 times [2025-04-14 12:32:20,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:20,476 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066574658] [2025-04-14 12:32:20,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:20,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 12:32:20,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 12:32:20,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:20,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:20,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:20,770 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066574658] [2025-04-14 12:32:20,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066574658] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:20,770 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505503600] [2025-04-14 12:32:20,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:20,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:20,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:32:20,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 12:32:20,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 12:32:20,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 12:32:20,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:20,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:20,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:32:20,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:20,903 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:21,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:21,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505503600] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:21,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:21,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-04-14 12:32:21,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966158278] [2025-04-14 12:32:21,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:21,111 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-14 12:32:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:21,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-14 12:32:21,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2025-04-14 12:32:21,114 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:21,114 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:21,115 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:21,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:21,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:21,740 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:21,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:32:21,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 12:32:21,941 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-14 12:32:21,941 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:21,941 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:21,942 INFO L139 ounterexampleChecker]: Examining path program with hash 1474666498, occurence #1 [2025-04-14 12:32:21,942 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:21,942 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:21,942 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:21,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1195958773, now seen corresponding path program 1 times [2025-04-14 12:32:21,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:21,942 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3369590] [2025-04-14 12:32:21,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:21,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:21,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 12:32:21,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 12:32:21,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:21,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:22,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:22,031 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3369590] [2025-04-14 12:32:22,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3369590] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:22,031 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861321239] [2025-04-14 12:32:22,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:22,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:22,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:22,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:32:22,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 12:32:22,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 12:32:22,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 12:32:22,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:22,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:22,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 12:32:22,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:22,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861321239] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:22,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:22,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 3] total 4 [2025-04-14 12:32:22,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799324591] [2025-04-14 12:32:22,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:22,178 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:32:22,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:22,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:32:22,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:32:22,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:22,179 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:22,179 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:22,179 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:22,179 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:32:22,179 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:22,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:22,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:32:22,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:22,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 12:32:22,586 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:22,586 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:22,586 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:22,586 INFO L139 ounterexampleChecker]: Examining path program with hash -2133054133, occurence #1 [2025-04-14 12:32:22,586 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:22,586 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:22,587 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:22,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2043068323, now seen corresponding path program 1 times [2025-04-14 12:32:22,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:22,587 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456909727] [2025-04-14 12:32:22,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:22,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:22,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-04-14 12:32:22,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-04-14 12:32:22,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:22,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-04-14 12:32:22,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:22,866 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456909727] [2025-04-14 12:32:22,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456909727] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:22,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:22,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 12:32:22,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7145062] [2025-04-14 12:32:22,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:22,866 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:32:22,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:22,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:32:22,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:32:22,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:22,867 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:22,867 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:22,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:22,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:32:22,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:22,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:23,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:23,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:23,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:23,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:23,197 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 12:32:23,197 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:23,197 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:23,197 INFO L139 ounterexampleChecker]: Examining path program with hash 5976720, occurence #1 [2025-04-14 12:32:23,197 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:23,197 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:23,198 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:23,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2005289635, now seen corresponding path program 1 times [2025-04-14 12:32:23,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:23,198 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515802637] [2025-04-14 12:32:23,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:23,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:23,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-14 12:32:23,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-14 12:32:23,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:23,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:23,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:23,505 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515802637] [2025-04-14 12:32:23,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515802637] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:23,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:23,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-14 12:32:23,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16659514] [2025-04-14 12:32:23,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:23,505 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 12:32:23,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:23,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 12:32:23,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-04-14 12:32:23,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:23,506 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:23,506 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:23,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:23,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:23,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:23,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:23,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:24,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:24,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:24,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:24,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:24,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:24,184 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 12:32:24,184 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:24,184 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:24,184 INFO L139 ounterexampleChecker]: Examining path program with hash -1315865107, occurence #1 [2025-04-14 12:32:24,184 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:24,184 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:24,185 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:24,185 INFO L85 PathProgramCache]: Analyzing trace with hash -457614067, now seen corresponding path program 2 times [2025-04-14 12:32:24,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:24,185 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178853154] [2025-04-14 12:32:24,185 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:32:24,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:24,193 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-04-14 12:32:24,209 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-04-14 12:32:24,209 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:32:24,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 46 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:32:24,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:24,340 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178853154] [2025-04-14 12:32:24,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178853154] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:24,340 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418037766] [2025-04-14 12:32:24,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:32:24,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:24,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:24,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:32:24,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 12:32:24,386 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-04-14 12:32:24,413 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-04-14 12:32:24,414 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:32:24,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:24,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 12:32:24,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:32:24,574 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 30 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:32:24,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418037766] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:24,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:24,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12, 11] total 19 [2025-04-14 12:32:24,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786518338] [2025-04-14 12:32:24,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:24,772 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-14 12:32:24,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:24,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-14 12:32:24,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2025-04-14 12:32:24,773 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:24,773 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:24,773 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.35) internal successors, (147), 19 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:24,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:24,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:24,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:24,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:24,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:24,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:26,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:26,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:26,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:26,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:26,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:26,503 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:26,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 12:32:26,703 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:26,703 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:26,703 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:26,704 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #1 [2025-04-14 12:32:26,704 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:26,704 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:26,704 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:26,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1913052285, now seen corresponding path program 2 times [2025-04-14 12:32:26,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:26,704 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035294902] [2025-04-14 12:32:26,704 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:32:26,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:26,710 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-04-14 12:32:26,723 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:32:26,723 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:32:26,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:26,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:26,897 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035294902] [2025-04-14 12:32:26,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035294902] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:26,897 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735759735] [2025-04-14 12:32:26,897 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:32:26,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:26,899 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:32:26,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 12:32:26,940 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-04-14 12:32:26,968 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:32:26,969 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:32:26,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:26,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 12:32:26,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735759735] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:27,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:27,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 8] total 10 [2025-04-14 12:32:27,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248085705] [2025-04-14 12:32:27,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:27,163 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-14 12:32:27,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:27,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-14 12:32:27,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=56, Unknown=0, NotChecked=0, Total=110 [2025-04-14 12:32:27,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:27,164 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:27,164 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 10 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:27,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:27,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:27,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:27,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:27,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:27,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:27,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:28,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:28,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:28,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:28,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:28,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:28,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:28,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:28,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-14 12:32:28,318 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:28,318 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:28,318 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:28,318 INFO L139 ounterexampleChecker]: Examining path program with hash -1315865107, occurence #2 [2025-04-14 12:32:28,318 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:28,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 12:32:28,324 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:28,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 12:32:28,324 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:28,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:32:28,324 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:28,325 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 12:32:28,325 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,325 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 12:32:28,325 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,325 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 12:32:28,325 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,325 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-14 12:32:28,325 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,325 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 12:32:28,325 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,325 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 12:32:28,325 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,325 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 12:32:28,348 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:28,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1430671033, now seen corresponding path program 1 times [2025-04-14 12:32:28,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:28,349 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112733075] [2025-04-14 12:32:28,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:28,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:28,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-14 12:32:28,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-14 12:32:28,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:28,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:28,733 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:28,733 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112733075] [2025-04-14 12:32:28,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112733075] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:28,734 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [820473860] [2025-04-14 12:32:28,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:28,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:28,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-14 12:32:28,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-14 12:32:28,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:28,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:28,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 12:32:28,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 168 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:28,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [820473860] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:28,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:28,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2025-04-14 12:32:28,898 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:28,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2025-04-14 12:32:28,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 12:32:28,898 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:28,898 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:28,898 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:28,898 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:28,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1763510323, now seen corresponding path program 3 times [2025-04-14 12:32:28,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:28,898 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242616761] [2025-04-14 12:32:28,899 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:32:28,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:28,907 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 112 statements into 8 equivalence classes. [2025-04-14 12:32:28,924 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 44 of 112 statements. [2025-04-14 12:32:28,924 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:32:28,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2025-04-14 12:32:29,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:29,068 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242616761] [2025-04-14 12:32:29,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242616761] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:29,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:29,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 12:32:29,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381405292] [2025-04-14 12:32:29,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:29,068 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:32:29,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:29,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:32:29,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:32:29,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:29,069 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:29,069 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:29,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:29,579 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9 [2025-04-14 12:32:29,580 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:29,580 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:29,580 INFO L139 ounterexampleChecker]: Examining path program with hash 2068364854, occurence #1 [2025-04-14 12:32:29,580 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:29,580 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:29,580 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:29,580 INFO L85 PathProgramCache]: Analyzing trace with hash -728225879, now seen corresponding path program 4 times [2025-04-14 12:32:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:29,580 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5778660] [2025-04-14 12:32:29,580 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:32:29,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:29,587 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 108 statements into 2 equivalence classes. [2025-04-14 12:32:29,602 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-04-14 12:32:29,602 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:32:29,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:30,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:30,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5778660] [2025-04-14 12:32:30,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5778660] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:30,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465158324] [2025-04-14 12:32:30,137 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:32:30,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:30,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:30,139 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:32:30,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 12:32:30,180 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 108 statements into 2 equivalence classes. [2025-04-14 12:32:30,216 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-04-14 12:32:30,216 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:32:30,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:30,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:32:30,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 168 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:30,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:31,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465158324] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:31,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:31,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 20] total 49 [2025-04-14 12:32:31,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933411275] [2025-04-14 12:32:31,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:31,150 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-04-14 12:32:31,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:31,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-04-14 12:32:31,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=766, Invalid=1684, Unknown=0, NotChecked=0, Total=2450 [2025-04-14 12:32:31,152 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:31,152 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:31,152 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.82) internal successors, (291), 49 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:31,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:35,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:35,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-04-14 12:32:35,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 12:32:35,240 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:35,240 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:35,240 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:35,240 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #2 [2025-04-14 12:32:35,240 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:35,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 12:32:35,241 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 12:32:35,241 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:32:35,241 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 12:32:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 12:32:35,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 12:32:35,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 12:32:35,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-04-14 12:32:35,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 12:32:35,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:35,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-04-14 12:32:35,263 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:35,263 INFO L85 PathProgramCache]: Analyzing trace with hash -182530583, now seen corresponding path program 1 times [2025-04-14 12:32:35,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:35,263 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438239936] [2025-04-14 12:32:35,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:35,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:35,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-04-14 12:32:35,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-04-14 12:32:35,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:35,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 217 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:35,872 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:35,873 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438239936] [2025-04-14 12:32:35,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438239936] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:35,873 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [448154290] [2025-04-14 12:32:35,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:35,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-04-14 12:32:35,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-04-14 12:32:35,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:35,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:35,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-14 12:32:35,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 196 proven. 413 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:36,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [448154290] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:36,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:36,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2025-04-14 12:32:36,046 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:36,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 12:32:36,064 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:36,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1363493485, now seen corresponding path program 1 times [2025-04-14 12:32:36,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:36,064 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168930086] [2025-04-14 12:32:36,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:36,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:36,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-14 12:32:36,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 12:32:36,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:36,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 332 proven. 217 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-14 12:32:36,395 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:36,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168930086] [2025-04-14 12:32:36,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168930086] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:36,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2096911006] [2025-04-14 12:32:36,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:36,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:36,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-14 12:32:36,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 12:32:36,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:36,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:36,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 12:32:36,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 332 proven. 217 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-14 12:32:36,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2096911006] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:36,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:36,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 11 [2025-04-14 12:32:36,518 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:36,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 12:32:36,518 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:36,518 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:36,518 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:36,519 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:36,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1463689360, now seen corresponding path program 3 times [2025-04-14 12:32:36,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:36,519 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550641205] [2025-04-14 12:32:36,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:32:36,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:36,524 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 15 equivalence classes. [2025-04-14 12:32:36,584 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 144 of 144 statements. [2025-04-14 12:32:36,585 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-14 12:32:36,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:36,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:36,882 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550641205] [2025-04-14 12:32:36,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550641205] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:36,882 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055005136] [2025-04-14 12:32:36,882 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:32:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:36,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:36,884 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:32:36,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 12:32:36,924 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 15 equivalence classes. [2025-04-14 12:32:37,003 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 144 of 144 statements. [2025-04-14 12:32:37,003 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-14 12:32:37,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:37,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 12:32:37,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:37,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:37,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055005136] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:37,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:37,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 23 [2025-04-14 12:32:37,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374057857] [2025-04-14 12:32:37,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:37,346 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-14 12:32:37,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:37,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-14 12:32:37,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=282, Unknown=0, NotChecked=0, Total=552 [2025-04-14 12:32:37,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:37,347 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:37,347 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.041666666666666) internal successors, (217), 23 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:37,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:37,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-04-14 12:32:37,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:42,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:42,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:42,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:42,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:42,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:42,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:42,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:42,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:42,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 12:32:42,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:32:42,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 12:32:42,223 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:42,223 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:32:42,223 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:42,224 INFO L139 ounterexampleChecker]: Examining path program with hash 2068364854, occurence #2 [2025-04-14 12:32:42,224 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 12:32:42,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 12:32:42,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:32:42,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 12:32:42,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 12:32:42,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 12:32:42,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-14 12:32:42,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-04-14 12:32:42,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-14 12:32:42,240 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:42,240 INFO L85 PathProgramCache]: Analyzing trace with hash 455657546, now seen corresponding path program 1 times [2025-04-14 12:32:42,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:42,240 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62137271] [2025-04-14 12:32:42,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:42,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:42,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-04-14 12:32:42,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-04-14 12:32:42,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:42,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:43,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 885 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:43,099 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:43,099 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62137271] [2025-04-14 12:32:43,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62137271] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:43,099 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1141748022] [2025-04-14 12:32:43,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:43,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:43,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-04-14 12:32:43,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-04-14 12:32:43,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:43,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:43,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-04-14 12:32:43,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 840 proven. 437 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:43,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1141748022] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:43,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:43,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 32 [2025-04-14 12:32:43,318 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:43,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 12:32:43,318 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:43,318 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:43,318 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:43,319 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:43,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1066350081, now seen corresponding path program 5 times [2025-04-14 12:32:43,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:43,319 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116071506] [2025-04-14 12:32:43,319 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:32:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:43,327 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 204 statements into 16 equivalence classes. [2025-04-14 12:32:43,366 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 204 of 204 statements. [2025-04-14 12:32:43,366 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-04-14 12:32:43,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 885 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:44,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:44,565 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116071506] [2025-04-14 12:32:44,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116071506] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:44,565 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850072435] [2025-04-14 12:32:44,565 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:32:44,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:44,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:44,567 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:32:44,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 12:32:44,614 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 204 statements into 16 equivalence classes. [2025-04-14 12:32:44,720 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 204 of 204 statements. [2025-04-14 12:32:44,720 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-04-14 12:32:44,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:44,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-04-14 12:32:44,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 604 proven. 673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:45,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 861 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:45,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850072435] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:45,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:45,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39, 39] total 70 [2025-04-14 12:32:45,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163113413] [2025-04-14 12:32:45,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:45,874 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-04-14 12:32:45,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:45,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-04-14 12:32:45,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1660, Invalid=3310, Unknown=0, NotChecked=0, Total=4970 [2025-04-14 12:32:45,876 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:45,876 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:45,876 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 5.76056338028169) internal successors, (409), 70 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:32:45,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:45,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:32:45,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:45,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:45,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:45,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:32:45,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:45,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:32:45,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 12:32:45,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:32:45,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:33:09,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-14 12:33:09,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-14 12:33:09,226 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-14 12:33:09,226 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 12:33:09,226 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:09,226 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #3 [2025-04-14 12:33:09,226 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:33:09,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 12:33:09,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 12:33:09,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:33:09,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 12:33:09,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 12:33:09,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-14 12:33:09,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 12:33:09,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 12:33:09,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-14 12:33:09,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-04-14 12:33:09,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-14 12:33:09,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:09,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-04-14 12:33:09,243 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:09,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1366631704, now seen corresponding path program 1 times [2025-04-14 12:33:09,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:09,243 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052100279] [2025-04-14 12:33:09,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:09,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:09,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-04-14 12:33:09,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-04-14 12:33:09,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:09,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 945 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:10,620 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:10,621 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052100279] [2025-04-14 12:33:10,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052100279] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:10,621 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [842153471] [2025-04-14 12:33:10,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:10,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:10,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-04-14 12:33:10,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-04-14 12:33:10,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:10,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:10,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-14 12:33:10,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 900 proven. 1845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:10,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [842153471] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:10,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:10,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 33 [2025-04-14 12:33:10,910 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:10,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-04-14 12:33:10,923 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:10,923 INFO L85 PathProgramCache]: Analyzing trace with hash 584066658, now seen corresponding path program 1 times [2025-04-14 12:33:10,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:10,923 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670693559] [2025-04-14 12:33:10,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:10,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:10,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-14 12:33:10,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-14 12:33:10,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:10,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1436 proven. 945 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-04-14 12:33:11,700 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:11,700 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670693559] [2025-04-14 12:33:11,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670693559] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:11,700 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1999144513] [2025-04-14 12:33:11,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:11,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-14 12:33:11,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-14 12:33:11,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:11,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:11,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:33:11,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:11,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1436 proven. 945 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-04-14 12:33:11,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1999144513] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:11,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:11,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 19 [2025-04-14 12:33:11,904 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:11,904 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2025-04-14 12:33:11,904 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:11,904 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:33:11,904 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:33:11,904 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:11,904 INFO L85 PathProgramCache]: Analyzing trace with hash -169384456, now seen corresponding path program 4 times [2025-04-14 12:33:11,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:33:11,904 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570273756] [2025-04-14 12:33:11,904 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:33:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:11,912 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 272 statements into 2 equivalence classes. [2025-04-14 12:33:11,948 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 272 of 272 statements. [2025-04-14 12:33:11,948 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:33:11,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:12,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:12,925 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570273756] [2025-04-14 12:33:12,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570273756] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:12,925 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860467419] [2025-04-14 12:33:12,925 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:33:12,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:33:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:12,926 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:33:12,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 12:33:12,976 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 272 statements into 2 equivalence classes. [2025-04-14 12:33:13,034 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 272 of 272 statements. [2025-04-14 12:33:13,034 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:33:13,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:13,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-04-14 12:33:13,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:13,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:33:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:13,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860467419] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:33:13,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:33:13,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 33, 32] total 47 [2025-04-14 12:33:13,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829003718] [2025-04-14 12:33:13,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:33:13,676 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-14 12:33:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:33:13,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-14 12:33:13,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1114, Invalid=1142, Unknown=0, NotChecked=0, Total=2256 [2025-04-14 12:33:13,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:13,678 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:33:13,678 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.520833333333334) internal successors, (409), 47 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-14 12:33:13,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.