/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/popl20-more-buffer-series.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 13:01:19,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 13:01:19,690 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 13:01:19,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 13:01:19,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 13:01:19,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 13:01:19,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 13:01:19,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 13:01:19,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 13:01:19,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 13:01:19,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 13:01:19,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 13:01:19,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 13:01:19,716 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 13:01:19,718 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 13:01:19,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:01:19,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:01:19,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:01:19,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:01:19,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 13:01:19,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:01:19,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 13:01:19,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 13:01:19,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 13:01:19,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 13:01:19,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 13:01:19,948 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 13:01:19,948 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 13:01:19,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2025-04-14 13:01:21,256 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f38ba79/2a0347c0ab9b451caf43b34f14f355b2/FLAGfee5c3b9f [2025-04-14 13:01:21,430 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 13:01:21,430 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2025-04-14 13:01:21,435 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f38ba79/2a0347c0ab9b451caf43b34f14f355b2/FLAGfee5c3b9f [2025-04-14 13:01:22,307 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f38ba79/2a0347c0ab9b451caf43b34f14f355b2 [2025-04-14 13:01:22,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 13:01:22,310 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 13:01:22,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 13:01:22,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 13:01:22,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 13:01:22,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7f3426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22, skipping insertion in model container [2025-04-14 13:01:22,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 13:01:22,492 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/popl20-more-buffer-series.wvr.c[4403,4416] [2025-04-14 13:01:22,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:01:22,512 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 13:01:22,549 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/popl20-more-buffer-series.wvr.c[4403,4416] [2025-04-14 13:01:22,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:01:22,569 INFO L204 MainTranslator]: Completed translation [2025-04-14 13:01:22,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22 WrapperNode [2025-04-14 13:01:22,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 13:01:22,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 13:01:22,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 13:01:22,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 13:01:22,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,607 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 319 [2025-04-14 13:01:22,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 13:01:22,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 13:01:22,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 13:01:22,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 13:01:22,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,621 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 13:01:22,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 13:01:22,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 13:01:22,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 13:01:22,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (1/1) ... [2025-04-14 13:01:22,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:01:22,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:22,656 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 13:01:22,661 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 13:01:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 13:01:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 13:01:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 13:01:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 13:01:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 13:01:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 13:01:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 13:01:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 13:01:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 13:01:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 13:01:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 13:01:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 13:01:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 13:01:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 13:01:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 13:01:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 13:01:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 13:01:22,680 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 13:01:22,763 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 13:01:22,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 13:01:23,100 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 13:01:23,100 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 13:01:23,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 13:01:23,338 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 13:01:23,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 01:01:23 BoogieIcfgContainer [2025-04-14 13:01:23,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 13:01:23,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 13:01:23,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 13:01:23,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 13:01:23,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 01:01:22" (1/3) ... [2025-04-14 13:01:23,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71516293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:01:23, skipping insertion in model container [2025-04-14 13:01:23,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:01:22" (2/3) ... [2025-04-14 13:01:23,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71516293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:01:23, skipping insertion in model container [2025-04-14 13:01:23,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 01:01:23" (3/3) ... [2025-04-14 13:01:23,345 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2025-04-14 13:01:23,355 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 13:01:23,356 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-series.wvr.c that has 5 procedures, 46 locations, 48 edges, 1 initial locations, 7 loop locations, and 1 error locations. [2025-04-14 13:01:23,356 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 13:01:23,405 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-14 13:01:23,432 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:01:23,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 13:01:23,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:23,435 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 13:01:23,437 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 13:01:23,510 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 13:01:23,523 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 13:01:23,529 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;@2473be5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:01:23,529 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 13:01:24,628 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 2 more)] === [2025-04-14 13:01:24,629 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:24,630 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #1 [2025-04-14 13:01:24,630 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:01:24,630 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:24,634 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:24,634 INFO L85 PathProgramCache]: Analyzing trace with hash -133311991, now seen corresponding path program 1 times [2025-04-14 13:01:24,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:24,640 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163573280] [2025-04-14 13:01:24,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:24,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-04-14 13:01:24,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-04-14 13:01:24,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:24,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:25,666 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 13:01:25,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:25,666 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163573280] [2025-04-14 13:01:25,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163573280] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:01:25,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:01:25,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 13:01:25,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717510493] [2025-04-14 13:01:25,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:01:25,675 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:01:25,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:25,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:01:25,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 13:01:25,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:25,690 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:25,692 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 13:01:25,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:25,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:25,829 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 13:01:25,830 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 2 more)] === [2025-04-14 13:01:25,830 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:25,831 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #2 [2025-04-14 13:01:25,832 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:25,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:25,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:25,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 13:01:25,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:25,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 13:01:25,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:25,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 13:01:25,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:25,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 13:01:25,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:25,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 13:01:25,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:25,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 13:01:25,936 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:25,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1304631067, now seen corresponding path program 1 times [2025-04-14 13:01:25,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:25,937 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975669786] [2025-04-14 13:01:25,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:25,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-04-14 13:01:25,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-04-14 13:01:25,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:25,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:26,171 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:26,171 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975669786] [2025-04-14 13:01:26,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975669786] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:01:26,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:01:26,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 13:01:26,172 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 65. Constructing proof automaton... [2025-04-14 13:01:26,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:01:26,173 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 13:01:26,173 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:01:26,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 13:01:26,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:01:26,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 13:01:26,174 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:26,176 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:26,176 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 13:01:26,176 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:26,176 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:26,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:26,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:26,293 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 13:01:26,294 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 2 more)] === [2025-04-14 13:01:26,294 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:26,294 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #3 [2025-04-14 13:01:26,294 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:26,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:26,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:26,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 13:01:26,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:26,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 13:01:26,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:26,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 13:01:26,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:26,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 13:01:26,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:26,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 13:01:26,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:26,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 13:01:26,349 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:26,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2095538082, now seen corresponding path program 1 times [2025-04-14 13:01:26,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:26,349 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991975830] [2025-04-14 13:01:26,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:26,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:26,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 13:01:26,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 13:01:26,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:26,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:26,626 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:26,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991975830] [2025-04-14 13:01:26,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991975830] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:26,627 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [734018534] [2025-04-14 13:01:26,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:26,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:26,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 13:01:26,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 13:01:26,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:26,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:26,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 13:01:26,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:26,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [734018534] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:26,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:26,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 13:01:26,794 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:26,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 13:01:26,818 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:26,819 INFO L85 PathProgramCache]: Analyzing trace with hash -90478336, now seen corresponding path program 1 times [2025-04-14 13:01:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:26,819 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965926881] [2025-04-14 13:01:26,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:26,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-04-14 13:01:26,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-04-14 13:01:26,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:26,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:27,060 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:27,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965926881] [2025-04-14 13:01:27,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965926881] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:27,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [135052064] [2025-04-14 13:01:27,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:27,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:27,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-04-14 13:01:27,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-04-14 13:01:27,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:27,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:27,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 13:01:27,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:27,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [135052064] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:27,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:27,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 13:01:27,227 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:27,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 13:01:27,304 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash 75813593, now seen corresponding path program 1 times [2025-04-14 13:01:27,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:27,304 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041981137] [2025-04-14 13:01:27,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:27,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:27,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 13:01:27,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 13:01:27,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:27,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:27,580 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:27,580 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041981137] [2025-04-14 13:01:27,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041981137] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:27,580 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2002861755] [2025-04-14 13:01:27,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:27,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:27,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 13:01:27,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 13:01:27,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:27,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:27,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 13:01:27,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:27,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2002861755] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:27,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:27,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 13:01:27,703 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:27,703 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2025-04-14 13:01:27,703 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2025-04-14 13:01:27,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-04-14 13:01:27,703 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:27,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 13:01:27,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:27,704 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:27,704 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:27,704 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:27,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1811583564, now seen corresponding path program 1 times [2025-04-14 13:01:27,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:27,704 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101892669] [2025-04-14 13:01:27,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:27,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:27,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-14 13:01:27,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-14 13:01:27,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:27,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:28,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:28,192 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101892669] [2025-04-14 13:01:28,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101892669] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:28,192 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580833106] [2025-04-14 13:01:28,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:28,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:28,196 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 13:01:28,197 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 13:01:28,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-14 13:01:28,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-14 13:01:28,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:28,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:28,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 13:01:28,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:28,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:28,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580833106] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:28,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:28,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-14 13:01:28,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742739897] [2025-04-14 13:01:28,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:28,592 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 13:01:28,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:28,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 13:01:28,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-04-14 13:01:28,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:28,593 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:28,593 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 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 13:01:28,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:28,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:28,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:28,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:28,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:28,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:28,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-14 13:01:28,933 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2025-04-14 13:01:28,933 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 2 more)] === [2025-04-14 13:01:28,933 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:28,934 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #4 [2025-04-14 13:01:28,934 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:28,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:28,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:28,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 13:01:28,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:28,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 13:01:28,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:28,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 13:01:28,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:28,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 13:01:28,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:28,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 13:01:28,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:28,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 13:01:28,985 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:28,985 INFO L85 PathProgramCache]: Analyzing trace with hash -508385494, now seen corresponding path program 1 times [2025-04-14 13:01:28,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:28,985 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506226433] [2025-04-14 13:01:28,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:28,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:29,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 13:01:29,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 13:01:29,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:29,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:29,225 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:29,225 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506226433] [2025-04-14 13:01:29,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506226433] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:29,225 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1538816136] [2025-04-14 13:01:29,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:29,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:29,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 13:01:29,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 13:01:29,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:29,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:29,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 13:01:29,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:29,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1538816136] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:29,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:29,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 13:01:29,393 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:29,393 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 13:01:29,414 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:29,415 INFO L85 PathProgramCache]: Analyzing trace with hash 907420710, now seen corresponding path program 1 times [2025-04-14 13:01:29,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:29,415 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824930039] [2025-04-14 13:01:29,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:29,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:29,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 13:01:29,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 13:01:29,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:29,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:29,655 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:29,655 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824930039] [2025-04-14 13:01:29,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824930039] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:29,655 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2095594049] [2025-04-14 13:01:29,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:29,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:29,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 13:01:29,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 13:01:29,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:29,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:29,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 13:01:29,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:29,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:29,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2095594049] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:29,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:29,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 13:01:29,822 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:29,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 13:01:29,894 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:29,895 INFO L85 PathProgramCache]: Analyzing trace with hash -288022273, now seen corresponding path program 1 times [2025-04-14 13:01:29,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:29,895 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109185517] [2025-04-14 13:01:29,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:29,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:29,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-04-14 13:01:29,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 13:01:29,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:29,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:30,126 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:30,126 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109185517] [2025-04-14 13:01:30,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109185517] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:30,126 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [877686288] [2025-04-14 13:01:30,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:30,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:30,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-04-14 13:01:30,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 13:01:30,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:30,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:30,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 13:01:30,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:01:30,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [877686288] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:30,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:30,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 13:01:30,298 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:30,298 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2025-04-14 13:01:30,298 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2025-04-14 13:01:30,298 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 13:01:30,298 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:30,298 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-14 13:01:30,298 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:30,298 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:30,298 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:30,298 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:30,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1473639567, now seen corresponding path program 2 times [2025-04-14 13:01:30,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:30,299 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087117024] [2025-04-14 13:01:30,299 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:01:30,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:30,317 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-04-14 13:01:30,350 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 141 of 144 statements. [2025-04-14 13:01:30,351 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 13:01:30,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 13:01:31,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:31,031 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087117024] [2025-04-14 13:01:31,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087117024] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:01:31,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:01:31,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-04-14 13:01:31,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140342504] [2025-04-14 13:01:31,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:01:31,032 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-14 13:01:31,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:31,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-14 13:01:31,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2025-04-14 13:01:31,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:31,034 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:31,035 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.8) internal successors, (117), 14 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 13:01:31,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:31,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:31,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:31,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:31,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:31,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:31,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:31,509 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:31,509 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-04-14 13:01:31,509 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 2 more)] === [2025-04-14 13:01:31,509 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:31,509 INFO L139 ounterexampleChecker]: Examining path program with hash -1212713450, occurence #1 [2025-04-14 13:01:31,509 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:01:31,509 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:31,510 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash -144421140, now seen corresponding path program 3 times [2025-04-14 13:01:31,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:31,510 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780946478] [2025-04-14 13:01:31,510 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:01:31,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:31,523 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 4 equivalence classes. [2025-04-14 13:01:31,563 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 67 of 111 statements. [2025-04-14 13:01:31,564 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:01:31,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 13:01:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:31,682 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780946478] [2025-04-14 13:01:31,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780946478] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:31,682 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538390873] [2025-04-14 13:01:31,682 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:01:31,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:31,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:31,684 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 13:01:31,686 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 13:01:31,754 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 4 equivalence classes. [2025-04-14 13:01:31,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 67 of 111 statements. [2025-04-14 13:01:31,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:01:31,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:31,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 13:01:31,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 13:01:31,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 13:01:32,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538390873] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:32,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:32,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-14 13:01:32,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464122116] [2025-04-14 13:01:32,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:32,100 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 13:01:32,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:32,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 13:01:32,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-04-14 13:01:32,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:32,101 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:32,101 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 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 13:01:32,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:32,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:32,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:32,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:32,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:32,245 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:32,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:32,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:32,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:32,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:32,252 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 13:01:32,446 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:32,447 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 2 more)] === [2025-04-14 13:01:32,447 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:32,447 INFO L139 ounterexampleChecker]: Examining path program with hash -1212713450, occurence #2 [2025-04-14 13:01:32,447 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:32,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:32,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:32,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 13:01:32,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:32,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 13:01:32,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:32,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 13:01:32,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:32,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:01:32,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:32,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 13:01:32,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:32,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 13:01:32,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:32,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 13:01:32,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:32,448 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:32,448 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:32,449 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:32,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1804883694, now seen corresponding path program 4 times [2025-04-14 13:01:32,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:32,450 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153320718] [2025-04-14 13:01:32,450 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:01:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:32,469 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 112 statements into 2 equivalence classes. [2025-04-14 13:01:32,498 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-04-14 13:01:32,498 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:01:32,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 61 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:01:32,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:32,853 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153320718] [2025-04-14 13:01:32,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153320718] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:32,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051257372] [2025-04-14 13:01:32,854 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:01:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:32,856 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 13:01:32,858 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 13:01:32,936 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 112 statements into 2 equivalence classes. [2025-04-14 13:01:32,995 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-04-14 13:01:32,995 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:01:32,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:32,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 13:01:33,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-04-14 13:01:33,081 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 13:01:33,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051257372] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:01:33,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 13:01:33,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2025-04-14 13:01:33,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994717975] [2025-04-14 13:01:33,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:01:33,082 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:01:33,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:33,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:01:33,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-04-14 13:01:33,082 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:33,082 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:33,083 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 13:01:33,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:33,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:33,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:33,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:33,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:33,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:34,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 13:01:34,319 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-14 13:01:34,320 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 2 more)] === [2025-04-14 13:01:34,320 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:34,320 INFO L139 ounterexampleChecker]: Examining path program with hash -701262434, occurence #1 [2025-04-14 13:01:34,320 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:01:34,320 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:34,321 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:34,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1814916803, now seen corresponding path program 5 times [2025-04-14 13:01:34,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:34,321 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305235342] [2025-04-14 13:01:34,321 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:01:34,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:34,334 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 6 equivalence classes. [2025-04-14 13:01:34,387 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 13:01:34,387 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 13:01:34,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-14 13:01:34,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:34,715 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305235342] [2025-04-14 13:01:34,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305235342] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:34,715 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393845394] [2025-04-14 13:01:34,715 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:01:34,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:34,717 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 13:01:34,719 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 13:01:34,792 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 6 equivalence classes. [2025-04-14 13:01:34,845 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 13:01:34,845 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 13:01:34,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:34,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 13:01:34,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-04-14 13:01:35,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-04-14 13:01:35,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393845394] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:35,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:35,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 27 [2025-04-14 13:01:35,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299196226] [2025-04-14 13:01:35,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:35,308 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-14 13:01:35,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:35,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-14 13:01:35,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2025-04-14 13:01:35,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:35,309 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:35,309 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.678571428571429) internal successors, (159), 27 states have internal predecessors, (159), 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 13:01:35,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:35,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:35,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:35,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:35,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:35,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:35,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:36,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:36,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:36,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:36,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:36,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:36,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:36,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:36,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-14 13:01:36,368 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:36,368 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 2 more)] === [2025-04-14 13:01:36,368 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:36,368 INFO L139 ounterexampleChecker]: Examining path program with hash -539357895, occurence #1 [2025-04-14 13:01:36,368 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:01:36,368 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:36,368 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:36,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1454874645, now seen corresponding path program 6 times [2025-04-14 13:01:36,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:36,369 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59179255] [2025-04-14 13:01:36,369 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:01:36,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:36,381 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 104 statements into 6 equivalence classes. [2025-04-14 13:01:36,419 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 69 of 104 statements. [2025-04-14 13:01:36,419 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 13:01:36,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-04-14 13:01:36,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:36,598 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59179255] [2025-04-14 13:01:36,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59179255] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:36,598 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542084894] [2025-04-14 13:01:36,598 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:01:36,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:36,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:36,600 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 13:01:36,602 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 13:01:36,672 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 104 statements into 6 equivalence classes. [2025-04-14 13:01:36,712 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 69 of 104 statements. [2025-04-14 13:01:36,712 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 13:01:36,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:36,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 13:01:36,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-04-14 13:01:36,809 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 13:01:36,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542084894] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:01:36,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 13:01:36,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-04-14 13:01:36,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727962679] [2025-04-14 13:01:36,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:01:36,810 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 13:01:36,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:36,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 13:01:36,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-04-14 13:01:36,810 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:36,810 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:36,810 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 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 13:01:36,810 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:36,810 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:36,810 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:36,810 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:36,810 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:36,811 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:36,811 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:36,811 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:37,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:37,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 13:01:37,242 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:37,242 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 2 more)] === [2025-04-14 13:01:37,242 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:37,242 INFO L139 ounterexampleChecker]: Examining path program with hash -539357895, occurence #2 [2025-04-14 13:01:37,242 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:37,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:37,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:37,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 13:01:37,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:37,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 13:01:37,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:37,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 13:01:37,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:37,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 13:01:37,245 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:37,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 13:01:37,245 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:37,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 13:01:37,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:37,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 13:01:37,284 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:37,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1723542920, now seen corresponding path program 1 times [2025-04-14 13:01:37,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:37,284 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572545290] [2025-04-14 13:01:37,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:37,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:37,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-04-14 13:01:37,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-04-14 13:01:37,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:37,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-04-14 13:01:37,366 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:37,366 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572545290] [2025-04-14 13:01:37,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572545290] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:01:37,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:01:37,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 13:01:37,366 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 61. Constructing proof automaton... [2025-04-14 13:01:37,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:01:37,366 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 13:01:37,366 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 13:01:37,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 13:01:37,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:01:37,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 13:01:37,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:37,367 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:37,367 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:37,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:37,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:37,636 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-04-14 13:01:37,636 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 2 more)] === [2025-04-14 13:01:37,636 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:37,636 INFO L139 ounterexampleChecker]: Examining path program with hash 1339580505, occurence #1 [2025-04-14 13:01:37,636 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:01:37,636 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:37,637 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:37,637 INFO L85 PathProgramCache]: Analyzing trace with hash -462895678, now seen corresponding path program 1 times [2025-04-14 13:01:37,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:37,637 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122241904] [2025-04-14 13:01:37,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:37,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:37,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-04-14 13:01:37,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-04-14 13:01:37,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:37,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 13:01:37,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:37,939 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122241904] [2025-04-14 13:01:37,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122241904] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:37,939 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243958504] [2025-04-14 13:01:37,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:37,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:37,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:37,942 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 13:01:37,943 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 13:01:38,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-04-14 13:01:38,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-04-14 13:01:38,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:38,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:38,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 13:01:38,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-14 13:01:38,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-14 13:01:38,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243958504] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:38,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:38,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2025-04-14 13:01:38,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217369773] [2025-04-14 13:01:38,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:38,552 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-14 13:01:38,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:38,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-14 13:01:38,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2025-04-14 13:01:38,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:38,553 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:38,553 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.935483870967742) internal successors, (153), 30 states have internal predecessors, (153), 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 13:01:38,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:38,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:38,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:38,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:38,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:38,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:38,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:38,744 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 13:01:38,940 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:38,940 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 2 more)] === [2025-04-14 13:01:38,940 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:38,940 INFO L139 ounterexampleChecker]: Examining path program with hash 1339580505, occurence #2 [2025-04-14 13:01:38,940 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:38,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:38,940 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:38,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 13:01:38,940 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:38,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 13:01:38,940 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:38,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:01:38,940 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:38,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 13:01:38,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:38,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 13:01:38,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:38,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 13:01:38,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:38,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 13:01:38,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:38,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 13:01:38,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:38,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 13:01:38,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:38,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 13:01:38,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:38,941 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:38,941 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:38,941 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:38,941 INFO L85 PathProgramCache]: Analyzing trace with hash 740371871, now seen corresponding path program 2 times [2025-04-14 13:01:38,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:38,941 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472893209] [2025-04-14 13:01:38,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:01:38,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:38,951 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-14 13:01:38,957 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 41 of 75 statements. [2025-04-14 13:01:38,958 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 13:01:38,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-14 13:01:39,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:39,079 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472893209] [2025-04-14 13:01:39,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472893209] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:01:39,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:01:39,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 13:01:39,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836670148] [2025-04-14 13:01:39,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:01:39,079 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 13:01:39,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:39,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 13:01:39,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 13:01:39,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:39,080 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:39,080 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:39,080 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:39,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:39,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:39,397 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-04-14 13:01:39,397 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 2 more)] === [2025-04-14 13:01:39,397 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:39,397 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #1 [2025-04-14 13:01:39,397 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:01:39,397 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:39,398 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:39,398 INFO L85 PathProgramCache]: Analyzing trace with hash -521136554, now seen corresponding path program 3 times [2025-04-14 13:01:39,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:39,398 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224646649] [2025-04-14 13:01:39,398 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:01:39,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:39,414 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 4 equivalence classes. [2025-04-14 13:01:39,438 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 71 of 82 statements. [2025-04-14 13:01:39,438 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:01:39,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 13:01:39,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:39,676 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224646649] [2025-04-14 13:01:39,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224646649] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:39,676 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953187402] [2025-04-14 13:01:39,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:01:39,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:39,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:39,678 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 13:01:39,680 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 13:01:39,754 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 4 equivalence classes. [2025-04-14 13:01:39,798 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 71 of 82 statements. [2025-04-14 13:01:39,798 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:01:39,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:39,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:01:39,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 13:01:39,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 13:01:40,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953187402] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:40,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:40,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-04-14 13:01:40,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570953216] [2025-04-14 13:01:40,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:40,082 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-14 13:01:40,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:40,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-14 13:01:40,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2025-04-14 13:01:40,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:40,084 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:40,084 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.090909090909091) internal successors, (156), 21 states have internal predecessors, (156), 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 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:40,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:40,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:40,349 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:40,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 13:01:40,553 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-14 13:01:40,554 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:01:40,554 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:40,554 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #2 [2025-04-14 13:01:40,554 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:40,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:40,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:40,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 13:01:40,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:40,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 13:01:40,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:40,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 13:01:40,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:40,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 13:01:40,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:40,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:01:40,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:40,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 13:01:40,587 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash 870735917, now seen corresponding path program 1 times [2025-04-14 13:01:40,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:40,587 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86767062] [2025-04-14 13:01:40,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:40,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-14 13:01:40,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-14 13:01:40,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:40,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:40,833 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-14 13:01:40,834 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:40,834 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86767062] [2025-04-14 13:01:40,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86767062] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:40,834 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [372521601] [2025-04-14 13:01:40,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:40,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-14 13:01:40,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-14 13:01:40,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:40,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:40,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:01:40,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-14 13:01:41,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [372521601] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:41,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:41,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2025-04-14 13:01:41,016 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:41,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 13:01:41,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:41,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 13:01:41,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:41,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 13:01:41,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:41,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 13:01:41,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:41,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 13:01:41,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:41,016 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:41,016 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:41,016 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1133120810, now seen corresponding path program 4 times [2025-04-14 13:01:41,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:41,017 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68082317] [2025-04-14 13:01:41,017 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:01:41,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:41,026 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 13:01:41,042 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 13:01:41,042 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:01:41,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-14 13:01:41,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:41,299 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68082317] [2025-04-14 13:01:41,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68082317] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:41,299 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68483140] [2025-04-14 13:01:41,299 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:01:41,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:41,301 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 13:01:41,303 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 13:01:41,381 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 13:01:41,424 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 13:01:41,424 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:01:41,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:41,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 13:01:41,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-14 13:01:41,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-14 13:01:42,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68483140] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:42,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:42,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 38 [2025-04-14 13:01:42,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923984314] [2025-04-14 13:01:42,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:42,050 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-14 13:01:42,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:42,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-14 13:01:42,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1149, Unknown=0, NotChecked=0, Total=1482 [2025-04-14 13:01:42,051 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:42,052 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:42,052 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.17948717948718) internal successors, (202), 38 states have internal predecessors, (202), 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 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:42,052 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:42,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:42,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:42,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 13:01:42,438 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2025-04-14 13:01:42,438 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:01:42,438 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:42,439 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #3 [2025-04-14 13:01:42,439 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:42,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:42,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:42,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 13:01:42,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:42,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:01:42,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:42,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 13:01:42,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:42,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 13:01:42,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:42,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 13:01:42,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:42,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 13:01:42,475 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:42,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1565065360, now seen corresponding path program 1 times [2025-04-14 13:01:42,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:42,476 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736213495] [2025-04-14 13:01:42,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:42,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:42,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-14 13:01:42,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 13:01:42,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:42,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 13:01:42,696 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:42,696 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736213495] [2025-04-14 13:01:42,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736213495] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:42,697 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1866927841] [2025-04-14 13:01:42,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:42,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:42,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-14 13:01:42,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 13:01:42,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:42,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:42,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:01:42,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 13:01:42,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1866927841] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:42,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:42,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2025-04-14 13:01:42,866 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:42,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 13:01:42,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:42,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 13:01:42,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:42,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 13:01:42,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:42,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 13:01:42,866 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:42,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 13:01:42,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:42,866 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:42,866 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:42,866 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1632311690, now seen corresponding path program 5 times [2025-04-14 13:01:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:42,867 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784353388] [2025-04-14 13:01:42,867 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:01:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:42,877 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 86 statements into 5 equivalence classes. [2025-04-14 13:01:42,904 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 13:01:42,904 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 13:01:42,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-04-14 13:01:43,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:43,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784353388] [2025-04-14 13:01:43,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784353388] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:43,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96041041] [2025-04-14 13:01:43,137 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:01:43,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:43,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:43,139 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:01:43,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 13:01:43,218 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 86 statements into 5 equivalence classes. [2025-04-14 13:01:43,544 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 13:01:43,544 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 13:01:43,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:43,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 13:01:43,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 13:01:43,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 13:01:43,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96041041] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:43,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:43,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 14] total 32 [2025-04-14 13:01:43,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293627002] [2025-04-14 13:01:43,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:43,988 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-04-14 13:01:43,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:43,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-04-14 13:01:43,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=755, Unknown=0, NotChecked=0, Total=1056 [2025-04-14 13:01:43,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:43,989 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:43,990 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.787878787878788) internal successors, (191), 32 states have internal predecessors, (191), 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 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:43,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:44,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:44,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:44,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:44,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:44,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:44,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:44,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:44,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:44,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:44,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:44,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:44,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:44,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:44,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:01:44,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-14 13:01:44,466 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-14 13:01:44,467 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:01:44,467 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:44,467 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #4 [2025-04-14 13:01:44,467 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:44,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:44,467 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:44,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 13:01:44,467 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:44,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 13:01:44,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:44,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 13:01:44,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:44,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 13:01:44,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:44,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 13:01:44,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:44,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 13:01:44,496 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1747818395, now seen corresponding path program 1 times [2025-04-14 13:01:44,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:44,496 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842086596] [2025-04-14 13:01:44,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:44,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:44,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 13:01:44,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 13:01:44,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:44,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 13:01:44,730 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:44,730 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842086596] [2025-04-14 13:01:44,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842086596] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:44,730 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [965027478] [2025-04-14 13:01:44,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:44,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:44,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 13:01:44,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 13:01:44,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:44,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:44,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:01:44,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 13:01:44,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [965027478] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:44,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:44,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2025-04-14 13:01:44,999 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 13:01:44,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 13:01:44,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 13:01:44,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 13:01:44,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 13:01:44,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:44,999 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:44,999 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:45,000 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2123788150, now seen corresponding path program 6 times [2025-04-14 13:01:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:45,000 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621558033] [2025-04-14 13:01:45,000 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:01:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:45,012 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 90 statements into 5 equivalence classes. [2025-04-14 13:01:45,042 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 74 of 90 statements. [2025-04-14 13:01:45,042 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 13:01:45,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-04-14 13:01:45,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:45,313 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621558033] [2025-04-14 13:01:45,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621558033] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:45,313 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991596779] [2025-04-14 13:01:45,313 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:01:45,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:45,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:45,315 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:01:45,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 13:01:45,403 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 90 statements into 5 equivalence classes. [2025-04-14 13:01:45,444 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 74 of 90 statements. [2025-04-14 13:01:45,444 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 13:01:45,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:45,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 13:01:45,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-04-14 13:01:45,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-04-14 13:01:45,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991596779] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:45,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:45,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 26 [2025-04-14 13:01:45,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879883620] [2025-04-14 13:01:45,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:45,897 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-14 13:01:45,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:45,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-14 13:01:45,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2025-04-14 13:01:45,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:45,897 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:45,898 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.148148148148148) internal successors, (166), 26 states have internal predecessors, (166), 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 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:01:45,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:47,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:01:47,649 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:01:47,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-14 13:01:47,849 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32 [2025-04-14 13:01:47,849 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:01:47,850 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:47,850 INFO L139 ounterexampleChecker]: Examining path program with hash 556151292, occurence #1 [2025-04-14 13:01:47,850 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:01:47,850 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:47,850 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:47,850 INFO L85 PathProgramCache]: Analyzing trace with hash -940073031, now seen corresponding path program 7 times [2025-04-14 13:01:47,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:47,850 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318801786] [2025-04-14 13:01:47,850 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:01:47,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:47,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-04-14 13:01:47,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-04-14 13:01:47,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:47,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 99 proven. 138 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2025-04-14 13:01:48,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:48,479 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318801786] [2025-04-14 13:01:48,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318801786] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:48,479 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346940684] [2025-04-14 13:01:48,479 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:01:48,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:48,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:48,481 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:01:48,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 13:01:48,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-04-14 13:01:48,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-04-14 13:01:48,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:48,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:48,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 13:01:48,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 312 proven. 3 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2025-04-14 13:01:48,863 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 286 proven. 29 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2025-04-14 13:01:48,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346940684] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:48,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:48,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-14 13:01:48,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506132061] [2025-04-14 13:01:48,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:48,976 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-14 13:01:48,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:48,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-14 13:01:48,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2025-04-14 13:01:48,976 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:48,976 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:48,976 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.277777777777779) internal successors, (149), 18 states have internal predecessors, (149), 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 13:01:48,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:48,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:48,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:48,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:48,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:48,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:01:48,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:49,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:49,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:49,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:49,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:01:49,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:01:49,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:01:49,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-14 13:01:49,341 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-04-14 13:01:49,342 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:01:49,342 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:49,342 INFO L139 ounterexampleChecker]: Examining path program with hash 556151292, occurence #2 [2025-04-14 13:01:49,342 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:49,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:49,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:49,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 13:01:49,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:49,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 13:01:49,342 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:49,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 13:01:49,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:49,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 13:01:49,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:49,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:01:49,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:49,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2025-04-14 13:01:49,388 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:49,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1827905164, now seen corresponding path program 1 times [2025-04-14 13:01:49,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:49,388 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971162480] [2025-04-14 13:01:49,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:49,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:49,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-04-14 13:01:49,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-04-14 13:01:49,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:49,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2025-04-14 13:01:50,126 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:50,126 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971162480] [2025-04-14 13:01:50,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971162480] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:50,127 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [379378565] [2025-04-14 13:01:50,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:50,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-04-14 13:01:50,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-04-14 13:01:50,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:50,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:50,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:01:50,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2025-04-14 13:01:50,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [379378565] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:50,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:50,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-04-14 13:01:50,520 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:50,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-04-14 13:01:50,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:50,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2025-04-14 13:01:50,548 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:50,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1660595102, now seen corresponding path program 1 times [2025-04-14 13:01:50,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:50,548 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781270247] [2025-04-14 13:01:50,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:50,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 273 statements into 1 equivalence classes. [2025-04-14 13:01:50,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 273 of 273 statements. [2025-04-14 13:01:50,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:50,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2025-04-14 13:01:51,264 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:51,264 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781270247] [2025-04-14 13:01:51,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781270247] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:51,264 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2016913271] [2025-04-14 13:01:51,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:51,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:51,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 273 statements into 1 equivalence classes. [2025-04-14 13:01:51,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 273 of 273 statements. [2025-04-14 13:01:51,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:51,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:51,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:01:51,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2025-04-14 13:01:51,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2016913271] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:51,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:51,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-04-14 13:01:51,631 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:51,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-04-14 13:01:51,664 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:51,664 INFO L85 PathProgramCache]: Analyzing trace with hash 337328404, now seen corresponding path program 1 times [2025-04-14 13:01:51,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:51,664 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430312648] [2025-04-14 13:01:51,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:51,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:51,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-04-14 13:01:51,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-04-14 13:01:51,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:51,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2025-04-14 13:01:52,422 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:52,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430312648] [2025-04-14 13:01:52,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430312648] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:52,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [442077430] [2025-04-14 13:01:52,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:52,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-04-14 13:01:52,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-04-14 13:01:52,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:52,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:52,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:01:52,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2025-04-14 13:01:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [442077430] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:52,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:52,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-04-14 13:01:52,824 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:52,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-04-14 13:01:52,843 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:52,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2049717417, now seen corresponding path program 1 times [2025-04-14 13:01:52,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:52,843 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210012005] [2025-04-14 13:01:52,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:52,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:52,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-04-14 13:01:52,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-04-14 13:01:52,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:52,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2025-04-14 13:01:53,488 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:53,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210012005] [2025-04-14 13:01:53,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210012005] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:53,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1117623312] [2025-04-14 13:01:53,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:53,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:53,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-04-14 13:01:53,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-04-14 13:01:53,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:53,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:53,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:01:53,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2025-04-14 13:01:53,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1117623312] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:53,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:53,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-04-14 13:01:53,921 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:53,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2025-04-14 13:01:53,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:53,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2025-04-14 13:01:53,921 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:53,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2025-04-14 13:01:53,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:53,921 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:01:53,921 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:01:53,922 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:53,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1843142713, now seen corresponding path program 8 times [2025-04-14 13:01:53,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:01:53,922 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673645421] [2025-04-14 13:01:53,922 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:01:53,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:53,953 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 294 statements into 2 equivalence classes. [2025-04-14 13:01:54,021 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 294 of 294 statements. [2025-04-14 13:01:54,021 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:01:54,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-04-14 13:01:54,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:01:54,652 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673645421] [2025-04-14 13:01:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673645421] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:54,652 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476462748] [2025-04-14 13:01:54,652 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:01:54,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:01:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:01:54,654 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:01:54,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-14 13:01:54,811 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 294 statements into 2 equivalence classes. [2025-04-14 13:01:54,935 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 294 of 294 statements. [2025-04-14 13:01:54,935 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:01:54,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:54,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 13:01:54,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 347 proven. 33 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2025-04-14 13:01:55,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:01:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 366 proven. 14 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2025-04-14 13:01:55,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476462748] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:01:55,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:01:55,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 29 [2025-04-14 13:01:55,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615779472] [2025-04-14 13:01:55,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:01:55,496 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-14 13:01:55,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:01:55,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-14 13:01:55,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2025-04-14 13:01:55,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:55,496 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:01:55,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.344827586206897) internal successors, (242), 29 states have internal predecessors, (242), 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 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:01:55,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:01:55,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:01:55,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:01:55,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-14 13:01:56,041 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-14 13:01:56,042 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:01:56,042 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:01:56,042 INFO L139 ounterexampleChecker]: Examining path program with hash 556151292, occurence #3 [2025-04-14 13:01:56,042 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:01:56,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:01:56,042 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:56,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 13:01:56,042 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:56,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 13:01:56,042 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:56,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:01:56,042 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:56,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 13:01:56,043 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:56,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 13:01:56,043 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:01:56,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-04-14 13:01:56,070 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:56,070 INFO L85 PathProgramCache]: Analyzing trace with hash -726556896, now seen corresponding path program 1 times [2025-04-14 13:01:56,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:56,070 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106165522] [2025-04-14 13:01:56,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:56,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:56,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 270 statements into 1 equivalence classes. [2025-04-14 13:01:56,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 270 of 270 statements. [2025-04-14 13:01:56,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:56,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2025-04-14 13:01:56,692 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:56,692 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106165522] [2025-04-14 13:01:56,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106165522] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:56,692 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2136053981] [2025-04-14 13:01:56,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:56,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 270 statements into 1 equivalence classes. [2025-04-14 13:01:56,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 270 of 270 statements. [2025-04-14 13:01:56,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:56,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:56,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 13:01:56,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2025-04-14 13:01:57,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2136053981] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:57,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:57,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2025-04-14 13:01:57,149 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:57,149 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2025-04-14 13:01:57,149 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:01:57,149 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2025-04-14 13:01:57,164 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:57,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1027314638, now seen corresponding path program 1 times [2025-04-14 13:01:57,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:57,164 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541558577] [2025-04-14 13:01:57,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:57,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-04-14 13:01:57,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-04-14 13:01:57,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:57,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:57,884 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2025-04-14 13:01:57,884 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:57,884 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541558577] [2025-04-14 13:01:57,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541558577] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:57,885 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2000854938] [2025-04-14 13:01:57,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:57,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:57,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-04-14 13:01:57,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-04-14 13:01:57,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:57,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:57,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 13:01:57,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2025-04-14 13:01:58,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2000854938] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:58,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:58,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2025-04-14 13:01:58,328 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:58,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-14 13:01:58,366 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:58,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1495938904, now seen corresponding path program 1 times [2025-04-14 13:01:58,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:58,367 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414592375] [2025-04-14 13:01:58,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:58,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:58,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-04-14 13:01:58,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-04-14 13:01:58,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:58,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2025-04-14 13:01:59,061 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:01:59,061 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414592375] [2025-04-14 13:01:59,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414592375] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:59,061 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [330006538] [2025-04-14 13:01:59,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:59,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:59,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-04-14 13:01:59,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-04-14 13:01:59,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:59,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:01:59,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 13:01:59,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:01:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2025-04-14 13:01:59,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [330006538] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:01:59,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:01:59,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2025-04-14 13:01:59,474 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:01:59,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-04-14 13:01:59,488 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:01:59,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1216406589, now seen corresponding path program 1 times [2025-04-14 13:01:59,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:01:59,488 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626078115] [2025-04-14 13:01:59,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:01:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:01:59,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-04-14 13:01:59,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-04-14 13:01:59,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:01:59,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2025-04-14 13:02:00,102 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:00,102 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626078115] [2025-04-14 13:02:00,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626078115] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:00,102 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [506879361] [2025-04-14 13:02:00,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:00,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:00,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-04-14 13:02:00,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-04-14 13:02:00,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:00,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:00,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 13:02:00,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2025-04-14 13:02:00,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [506879361] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:00,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:00,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2025-04-14 13:02:00,490 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-04-14 13:02:00,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-04-14 13:02:00,490 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-04-14 13:02:00,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:00,490 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:02:00,490 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:02:00,491 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:00,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2071482439, now seen corresponding path program 9 times [2025-04-14 13:02:00,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:02:00,491 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739099389] [2025-04-14 13:02:00,491 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:02:00,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:00,511 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 295 statements into 11 equivalence classes. [2025-04-14 13:02:00,530 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 82 of 295 statements. [2025-04-14 13:02:00,530 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:02:00,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2025-04-14 13:02:00,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:02:00,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739099389] [2025-04-14 13:02:00,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739099389] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:02:00,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:02:00,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 13:02:00,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580101479] [2025-04-14 13:02:00,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:02:00,738 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 13:02:00,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:02:00,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 13:02:00,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 13:02:00,738 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:00,738 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:02:00,738 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 13:02:00,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:00,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:00,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:00,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:00,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:00,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:00,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:00,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:00,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:00,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:00,941 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-04-14 13:02:00,941 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:02:00,941 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:02:00,941 INFO L139 ounterexampleChecker]: Examining path program with hash -260178307, occurence #1 [2025-04-14 13:02:00,941 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:02:00,941 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:02:00,942 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:00,942 INFO L85 PathProgramCache]: Analyzing trace with hash -32479940, now seen corresponding path program 10 times [2025-04-14 13:02:00,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:02:00,942 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038558109] [2025-04-14 13:02:00,942 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:02:00,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:00,962 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 291 statements into 2 equivalence classes. [2025-04-14 13:02:01,032 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 291 of 291 statements. [2025-04-14 13:02:01,033 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:02:01,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 730 proven. 130 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-04-14 13:02:02,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:02:02,265 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038558109] [2025-04-14 13:02:02,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038558109] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:02,266 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258411374] [2025-04-14 13:02:02,266 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:02:02,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:02,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:02:02,267 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:02:02,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-14 13:02:02,433 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 291 statements into 2 equivalence classes. [2025-04-14 13:02:02,541 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 291 of 291 statements. [2025-04-14 13:02:02,541 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:02:02,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:02,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:02,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 368 proven. 37 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-04-14 13:02:02,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:02:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 395 proven. 10 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-04-14 13:02:03,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258411374] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:02:03,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:02:03,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 13, 13] total 50 [2025-04-14 13:02:03,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984988130] [2025-04-14 13:02:03,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:02:03,380 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-04-14 13:02:03,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:02:03,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-04-14 13:02:03,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=2089, Unknown=0, NotChecked=0, Total=2450 [2025-04-14 13:02:03,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:03,382 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:02:03,382 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 8.54) internal successors, (427), 50 states have internal predecessors, (427), 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 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:03,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:03,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:03,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:03,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-14 13:02:04,157 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:04,157 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:02:04,157 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:02:04,158 INFO L139 ounterexampleChecker]: Examining path program with hash -260178307, occurence #2 [2025-04-14 13:02:04,158 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:02:04,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:02:04,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:04,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 13:02:04,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:04,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 13:02:04,158 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:04,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 13:02:04,158 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:04,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 13:02:04,158 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:04,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 13:02:04,158 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:04,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-14 13:02:04,185 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:04,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1399316739, now seen corresponding path program 1 times [2025-04-14 13:02:04,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:04,185 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959748894] [2025-04-14 13:02:04,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:04,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:04,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-04-14 13:02:04,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-04-14 13:02:04,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:04,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2025-04-14 13:02:04,837 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:04,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959748894] [2025-04-14 13:02:04,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959748894] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:04,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1613443598] [2025-04-14 13:02:04,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:04,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:04,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-04-14 13:02:04,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-04-14 13:02:04,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:04,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:04,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:04,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2025-04-14 13:02:05,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1613443598] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:05,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:05,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:05,263 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:05,263 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2025-04-14 13:02:05,263 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:05,263 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-04-14 13:02:05,277 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:05,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1792142187, now seen corresponding path program 1 times [2025-04-14 13:02:05,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:05,277 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894301200] [2025-04-14 13:02:05,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:05,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:05,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-04-14 13:02:05,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-04-14 13:02:05,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:05,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-04-14 13:02:05,907 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:05,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894301200] [2025-04-14 13:02:05,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894301200] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:05,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1557902945] [2025-04-14 13:02:05,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:05,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:05,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-04-14 13:02:05,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-04-14 13:02:05,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:05,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:06,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:06,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-04-14 13:02:06,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1557902945] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:06,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:06,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:06,368 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:06,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-04-14 13:02:06,400 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash 243913317, now seen corresponding path program 1 times [2025-04-14 13:02:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:06,400 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483657608] [2025-04-14 13:02:06,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:06,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:06,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-04-14 13:02:06,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-04-14 13:02:06,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:06,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2025-04-14 13:02:07,073 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:07,073 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483657608] [2025-04-14 13:02:07,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483657608] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:07,073 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [769515246] [2025-04-14 13:02:07,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:07,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:07,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-04-14 13:02:07,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-04-14 13:02:07,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:07,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:07,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:07,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2025-04-14 13:02:07,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [769515246] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:07,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:07,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:07,532 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:07,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 282 [2025-04-14 13:02:07,545 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:07,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1822885190, now seen corresponding path program 1 times [2025-04-14 13:02:07,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:07,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302855007] [2025-04-14 13:02:07,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:07,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 283 statements into 1 equivalence classes. [2025-04-14 13:02:07,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 283 of 283 statements. [2025-04-14 13:02:07,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:07,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2025-04-14 13:02:08,322 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:08,322 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302855007] [2025-04-14 13:02:08,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302855007] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:08,322 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1711653896] [2025-04-14 13:02:08,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:08,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:08,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 283 statements into 1 equivalence classes. [2025-04-14 13:02:08,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 283 of 283 statements. [2025-04-14 13:02:08,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:08,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:08,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:08,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2025-04-14 13:02:08,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1711653896] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:08,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:08,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:08,749 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:08,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-04-14 13:02:08,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:08,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2025-04-14 13:02:08,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:08,749 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:02:08,749 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:02:08,750 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1499065177, now seen corresponding path program 11 times [2025-04-14 13:02:08,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:02:08,750 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563688194] [2025-04-14 13:02:08,750 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:02:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:08,771 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 293 statements into 11 equivalence classes. [2025-04-14 13:02:09,301 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 293 of 293 statements. [2025-04-14 13:02:09,301 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-04-14 13:02:09,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 734 proven. 133 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-04-14 13:02:10,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:02:10,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563688194] [2025-04-14 13:02:10,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563688194] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:10,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027279788] [2025-04-14 13:02:10,413 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:02:10,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:02:10,415 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:02:10,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-14 13:02:10,585 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 293 statements into 11 equivalence classes. [2025-04-14 13:02:35,918 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 293 of 293 statements. [2025-04-14 13:02:35,918 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-04-14 13:02:35,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:35,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-14 13:02:35,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 795 proven. 36 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-04-14 13:02:36,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:02:37,419 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 445 proven. 386 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-04-14 13:02:37,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027279788] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:02:37,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:02:37,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 72 [2025-04-14 13:02:37,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064199943] [2025-04-14 13:02:37,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:02:37,421 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2025-04-14 13:02:37,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:02:37,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2025-04-14 13:02:37,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1013, Invalid=4243, Unknown=0, NotChecked=0, Total=5256 [2025-04-14 13:02:37,423 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:37,423 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:02:37,423 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.73972602739726) internal successors, (638), 72 states have internal predecessors, (638), 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 13:02:37,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:37,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:02:37,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:37,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:37,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:37,740 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:37,740 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:37,740 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:02:37,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-14 13:02:37,940 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-04-14 13:02:37,941 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:02:37,941 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:02:37,941 INFO L139 ounterexampleChecker]: Examining path program with hash -260178307, occurence #3 [2025-04-14 13:02:37,941 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:02:37,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:02:37,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:37,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 13:02:37,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:37,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 13:02:37,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:37,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 13:02:37,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:37,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 13:02:37,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:37,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 13:02:37,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:37,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-04-14 13:02:37,971 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:37,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1874660369, now seen corresponding path program 1 times [2025-04-14 13:02:37,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:37,971 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614809695] [2025-04-14 13:02:37,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:37,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:37,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-04-14 13:02:38,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-04-14 13:02:38,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:38,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2025-04-14 13:02:38,628 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:38,629 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614809695] [2025-04-14 13:02:38,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614809695] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:38,629 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1908418097] [2025-04-14 13:02:38,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:38,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-04-14 13:02:38,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-04-14 13:02:38,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:38,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:38,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:38,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2025-04-14 13:02:39,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1908418097] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:39,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:39,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:39,129 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:39,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-14 13:02:39,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:39,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2025-04-14 13:02:39,143 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:39,143 INFO L85 PathProgramCache]: Analyzing trace with hash -159074431, now seen corresponding path program 1 times [2025-04-14 13:02:39,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:39,143 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639578868] [2025-04-14 13:02:39,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:39,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:39,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 282 statements into 1 equivalence classes. [2025-04-14 13:02:39,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 282 of 282 statements. [2025-04-14 13:02:39,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:39,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-04-14 13:02:39,833 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:39,833 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639578868] [2025-04-14 13:02:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639578868] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:39,833 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1704241314] [2025-04-14 13:02:39,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:39,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:39,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 282 statements into 1 equivalence classes. [2025-04-14 13:02:39,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 282 of 282 statements. [2025-04-14 13:02:39,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:39,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:39,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:39,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-04-14 13:02:40,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1704241314] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:40,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:40,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:40,284 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:40,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2025-04-14 13:02:40,327 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:40,327 INFO L85 PathProgramCache]: Analyzing trace with hash 38140817, now seen corresponding path program 1 times [2025-04-14 13:02:40,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:40,327 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521848110] [2025-04-14 13:02:40,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:40,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:40,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 287 statements into 1 equivalence classes. [2025-04-14 13:02:40,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 287 of 287 statements. [2025-04-14 13:02:40,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:40,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2025-04-14 13:02:41,082 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:41,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521848110] [2025-04-14 13:02:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521848110] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:41,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [785885797] [2025-04-14 13:02:41,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:41,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:41,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 287 statements into 1 equivalence classes. [2025-04-14 13:02:41,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 287 of 287 statements. [2025-04-14 13:02:41,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:41,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:41,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:41,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2025-04-14 13:02:41,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [785885797] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:41,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:41,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:41,549 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:41,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2025-04-14 13:02:41,564 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:41,564 INFO L85 PathProgramCache]: Analyzing trace with hash -2001773594, now seen corresponding path program 1 times [2025-04-14 13:02:41,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:41,564 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447055236] [2025-04-14 13:02:41,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:41,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:41,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-04-14 13:02:41,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-04-14 13:02:41,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:41,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-04-14 13:02:42,230 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:42,230 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447055236] [2025-04-14 13:02:42,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447055236] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:42,230 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1315019388] [2025-04-14 13:02:42,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:42,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:42,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-04-14 13:02:42,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-04-14 13:02:42,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:42,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:42,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:02:42,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-04-14 13:02:42,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1315019388] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:42,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:42,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 13:02:42,687 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:42,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-04-14 13:02:42,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:42,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2025-04-14 13:02:42,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:42,687 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:02:42,687 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:02:42,688 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:42,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1602315385, now seen corresponding path program 12 times [2025-04-14 13:02:42,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:02:42,688 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77083562] [2025-04-14 13:02:42,688 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:02:42,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:42,714 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 299 statements into 11 equivalence classes. [2025-04-14 13:02:42,890 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 169 of 299 statements. [2025-04-14 13:02:42,891 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 13:02:42,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 134 proven. 10 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2025-04-14 13:02:43,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:02:43,235 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77083562] [2025-04-14 13:02:43,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77083562] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:43,235 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450617436] [2025-04-14 13:02:43,235 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:02:43,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:43,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:02:43,237 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:02:43,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-14 13:02:43,433 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 299 statements into 11 equivalence classes. [2025-04-14 13:02:43,530 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 169 of 299 statements. [2025-04-14 13:02:43,530 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 13:02:43,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:43,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 13:02:43,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 134 proven. 11 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2025-04-14 13:02:43,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:02:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 134 proven. 11 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2025-04-14 13:02:44,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450617436] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:02:44,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:02:44,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 13] total 27 [2025-04-14 13:02:44,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87712098] [2025-04-14 13:02:44,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:02:44,034 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-14 13:02:44,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:02:44,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-14 13:02:44,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2025-04-14 13:02:44,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:44,035 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:02:44,035 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 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 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:44,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:02:44,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:47,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:02:47,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:02:47,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-14 13:02:47,858 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2025-04-14 13:02:47,859 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:02:47,859 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:02:47,859 INFO L139 ounterexampleChecker]: Examining path program with hash 1114275017, occurence #1 [2025-04-14 13:02:47,859 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:02:47,859 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:02:47,859 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:47,859 INFO L85 PathProgramCache]: Analyzing trace with hash 687738493, now seen corresponding path program 13 times [2025-04-14 13:02:47,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:02:47,860 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644414201] [2025-04-14 13:02:47,860 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:02:47,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:47,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 341 statements into 1 equivalence classes. [2025-04-14 13:02:47,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 341 of 341 statements. [2025-04-14 13:02:47,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:47,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 21 proven. 260 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2025-04-14 13:02:48,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:02:48,697 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644414201] [2025-04-14 13:02:48,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644414201] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:48,697 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857718226] [2025-04-14 13:02:48,697 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:02:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:02:48,699 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:02:48,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-14 13:02:48,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 341 statements into 1 equivalence classes. [2025-04-14 13:02:49,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 341 of 341 statements. [2025-04-14 13:02:49,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:49,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:49,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 13:02:49,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 535 proven. 15 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2025-04-14 13:02:49,310 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:02:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 494 proven. 56 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2025-04-14 13:02:49,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857718226] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:02:49,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:02:49,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2025-04-14 13:02:49,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085723069] [2025-04-14 13:02:49,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:02:49,584 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-14 13:02:49,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:02:49,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-14 13:02:49,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2025-04-14 13:02:49,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:49,585 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:02:49,585 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.444444444444445) internal successors, (268), 36 states have internal predecessors, (268), 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 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:02:49,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:49,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:02:49,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:02:49,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:02:49,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-14 13:02:50,031 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:50,031 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:02:50,031 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:02:50,032 INFO L139 ounterexampleChecker]: Examining path program with hash 1114275017, occurence #2 [2025-04-14 13:02:50,032 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:02:50,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:02:50,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:50,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 13:02:50,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:50,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 13:02:50,032 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:50,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 13:02:50,032 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:50,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 13:02:50,032 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:50,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 13:02:50,032 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:50,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2025-04-14 13:02:50,085 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:50,085 INFO L85 PathProgramCache]: Analyzing trace with hash 895582039, now seen corresponding path program 1 times [2025-04-14 13:02:50,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:50,085 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746624420] [2025-04-14 13:02:50,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:50,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:50,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-04-14 13:02:50,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-04-14 13:02:50,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:50,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 48 proven. 363 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2025-04-14 13:02:50,732 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:50,732 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746624420] [2025-04-14 13:02:50,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746624420] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:50,732 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1521461481] [2025-04-14 13:02:50,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:50,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-04-14 13:02:50,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-04-14 13:02:50,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:50,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:50,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 13:02:50,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 390 proven. 21 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2025-04-14 13:02:51,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1521461481] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:51,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:51,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2025-04-14 13:02:51,170 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:51,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 276 [2025-04-14 13:02:51,196 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:51,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1105421323, now seen corresponding path program 1 times [2025-04-14 13:02:51,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:51,196 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383130231] [2025-04-14 13:02:51,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:51,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:51,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-04-14 13:02:51,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-04-14 13:02:51,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:51,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 42 proven. 368 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2025-04-14 13:02:51,934 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:51,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383130231] [2025-04-14 13:02:51,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383130231] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:51,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [496864978] [2025-04-14 13:02:51,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:51,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-04-14 13:02:52,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-04-14 13:02:52,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:52,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:52,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 13:02:52,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 389 proven. 21 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2025-04-14 13:02:52,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [496864978] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:52,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:52,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2025-04-14 13:02:52,456 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:52,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 324 [2025-04-14 13:02:52,492 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:52,493 INFO L85 PathProgramCache]: Analyzing trace with hash 234533696, now seen corresponding path program 1 times [2025-04-14 13:02:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:52,493 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482789729] [2025-04-14 13:02:52,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:52,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:52,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 325 statements into 1 equivalence classes. [2025-04-14 13:02:52,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 325 of 325 statements. [2025-04-14 13:02:52,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:52,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2025-04-14 13:02:53,422 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:53,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482789729] [2025-04-14 13:02:53,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482789729] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:53,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1287599954] [2025-04-14 13:02:53,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:53,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 325 statements into 1 equivalence classes. [2025-04-14 13:02:53,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 325 of 325 statements. [2025-04-14 13:02:53,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:53,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:53,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 13:02:53,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 298 proven. 24 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2025-04-14 13:02:53,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1287599954] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:53,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:53,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2025-04-14 13:02:53,958 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:53,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2025-04-14 13:02:53,990 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:53,991 INFO L85 PathProgramCache]: Analyzing trace with hash -411881500, now seen corresponding path program 1 times [2025-04-14 13:02:53,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:53,991 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796674708] [2025-04-14 13:02:53,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:53,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:54,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 330 statements into 1 equivalence classes. [2025-04-14 13:02:54,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 330 of 330 statements. [2025-04-14 13:02:54,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:54,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2025-04-14 13:02:55,041 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:55,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796674708] [2025-04-14 13:02:55,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796674708] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:55,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [807221465] [2025-04-14 13:02:55,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:55,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:55,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 330 statements into 1 equivalence classes. [2025-04-14 13:02:55,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 330 of 330 statements. [2025-04-14 13:02:55,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:55,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:55,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 13:02:55,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 298 proven. 24 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2025-04-14 13:02:55,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [807221465] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:55,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:55,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2025-04-14 13:02:55,546 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:55,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 331 [2025-04-14 13:02:55,559 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:55,559 INFO L85 PathProgramCache]: Analyzing trace with hash -681808455, now seen corresponding path program 1 times [2025-04-14 13:02:55,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:55,559 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435017686] [2025-04-14 13:02:55,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:55,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:55,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-04-14 13:02:55,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-04-14 13:02:55,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:55,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2025-04-14 13:02:56,485 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:02:56,485 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435017686] [2025-04-14 13:02:56,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435017686] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:56,485 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [22772485] [2025-04-14 13:02:56,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:56,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:56,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-04-14 13:02:56,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-04-14 13:02:56,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:02:56,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:56,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 13:02:56,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 298 proven. 24 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2025-04-14 13:02:57,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [22772485] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:57,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:02:57,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2025-04-14 13:02:57,004 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:02:57,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2025-04-14 13:02:57,004 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:57,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 340 [2025-04-14 13:02:57,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:57,004 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:02:57,004 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:02:57,004 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:57,004 INFO L85 PathProgramCache]: Analyzing trace with hash 620308643, now seen corresponding path program 14 times [2025-04-14 13:02:57,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:02:57,004 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651810420] [2025-04-14 13:02:57,004 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:02:57,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:02:57,028 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 342 statements into 2 equivalence classes. [2025-04-14 13:02:57,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 342 of 342 statements. [2025-04-14 13:02:57,114 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:02:57,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2025-04-14 13:02:57,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:02:57,902 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651810420] [2025-04-14 13:02:57,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651810420] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:02:57,902 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090316134] [2025-04-14 13:02:57,903 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:02:57,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:57,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:02:57,904 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:02:57,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-14 13:02:58,141 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 342 statements into 2 equivalence classes. [2025-04-14 13:02:58,257 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 342 of 342 statements. [2025-04-14 13:02:58,257 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:02:58,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:02:58,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 13:02:58,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:02:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 589 proven. 70 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2025-04-14 13:02:58,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:02:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 593 proven. 66 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2025-04-14 13:02:59,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090316134] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:02:59,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:02:59,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 47 [2025-04-14 13:02:59,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874495432] [2025-04-14 13:02:59,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:02:59,217 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-14 13:02:59,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:02:59,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-14 13:02:59,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=524, Invalid=1638, Unknown=0, NotChecked=0, Total=2162 [2025-04-14 13:02:59,218 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:59,218 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:02:59,218 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 7.574468085106383) internal successors, (356), 47 states have internal predecessors, (356), 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 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:59,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:02:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:02:59,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:02:59,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:02:59,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-14 13:02:59,928 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:02:59,928 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:02:59,928 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:02:59,929 INFO L139 ounterexampleChecker]: Examining path program with hash 1114275017, occurence #3 [2025-04-14 13:02:59,929 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:02:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:02:59,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 13:02:59,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:02:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 13:02:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 13:02:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 13:02:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 13:02:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:02:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-04-14 13:02:59,983 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:02:59,984 INFO L85 PathProgramCache]: Analyzing trace with hash 166288282, now seen corresponding path program 1 times [2025-04-14 13:02:59,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:02:59,984 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960551616] [2025-04-14 13:02:59,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:02:59,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:00,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-04-14 13:03:00,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-04-14 13:03:00,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:00,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 63 proven. 375 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2025-04-14 13:03:00,688 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:00,688 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960551616] [2025-04-14 13:03:00,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960551616] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:00,688 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [68552215] [2025-04-14 13:03:00,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:00,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:00,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-04-14 13:03:00,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-04-14 13:03:00,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:00,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:00,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 13:03:00,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 410 proven. 28 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2025-04-14 13:03:01,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [68552215] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:01,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:01,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2025-04-14 13:03:01,231 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:01,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-04-14 13:03:01,263 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:01,263 INFO L85 PathProgramCache]: Analyzing trace with hash -758993330, now seen corresponding path program 1 times [2025-04-14 13:03:01,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:01,263 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567914742] [2025-04-14 13:03:01,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:01,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:01,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-04-14 13:03:01,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-04-14 13:03:01,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:01,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 75 proven. 431 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2025-04-14 13:03:02,028 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:02,028 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567914742] [2025-04-14 13:03:02,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567914742] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:02,028 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1094940433] [2025-04-14 13:03:02,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:02,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-04-14 13:03:02,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-04-14 13:03:02,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:02,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:02,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 13:03:02,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 478 proven. 28 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2025-04-14 13:03:02,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1094940433] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:02,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:02,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2025-04-14 13:03:02,649 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:02,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2025-04-14 13:03:02,663 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:02,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2043337091, now seen corresponding path program 1 times [2025-04-14 13:03:02,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:02,664 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233553165] [2025-04-14 13:03:02,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:02,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-04-14 13:03:02,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-04-14 13:03:02,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:02,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 24 proven. 436 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2025-04-14 13:03:03,673 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:03,673 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233553165] [2025-04-14 13:03:03,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233553165] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:03,673 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1263479198] [2025-04-14 13:03:03,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:03,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:03,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-04-14 13:03:03,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-04-14 13:03:03,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:03,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:03,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 13:03:03,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 408 proven. 52 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2025-04-14 13:03:04,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1263479198] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:04,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:04,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2025-04-14 13:03:04,240 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:04,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2025-04-14 13:03:04,272 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:04,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1990390171, now seen corresponding path program 1 times [2025-04-14 13:03:04,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:04,272 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089474366] [2025-04-14 13:03:04,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:04,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:04,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-04-14 13:03:04,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-04-14 13:03:04,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:04,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 24 proven. 436 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-14 13:03:05,241 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:05,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089474366] [2025-04-14 13:03:05,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089474366] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:05,242 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [891960027] [2025-04-14 13:03:05,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:05,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:05,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-04-14 13:03:05,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-04-14 13:03:05,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:05,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:05,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 13:03:05,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 408 proven. 52 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-14 13:03:05,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [891960027] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:05,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:05,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2025-04-14 13:03:05,805 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:05,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2025-04-14 13:03:05,820 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:05,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1503801584, now seen corresponding path program 1 times [2025-04-14 13:03:05,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:05,820 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290676539] [2025-04-14 13:03:05,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:05,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:05,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-04-14 13:03:05,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-04-14 13:03:05,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:05,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 24 proven. 436 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-14 13:03:06,766 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:06,766 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290676539] [2025-04-14 13:03:06,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290676539] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:06,766 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [327179876] [2025-04-14 13:03:06,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:06,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:06,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-04-14 13:03:06,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-04-14 13:03:06,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:06,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:06,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 1469 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 13:03:06,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 408 proven. 52 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-14 13:03:07,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [327179876] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:07,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:07,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2025-04-14 13:03:07,319 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:07,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2025-04-14 13:03:07,320 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:03:07,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2025-04-14 13:03:07,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:07,320 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:03:07,320 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:03:07,320 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:07,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1470016707, now seen corresponding path program 15 times [2025-04-14 13:03:07,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:03:07,320 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545004390] [2025-04-14 13:03:07,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:03:07,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:07,344 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 343 statements into 12 equivalence classes. [2025-04-14 13:03:07,360 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 96 of 343 statements. [2025-04-14 13:03:07,360 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:03:07,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2025-04-14 13:03:07,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:03:07,614 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545004390] [2025-04-14 13:03:07,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545004390] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:03:07,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:03:07,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 13:03:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922313796] [2025-04-14 13:03:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:03:07,614 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 13:03:07,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:03:07,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 13:03:07,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-04-14 13:03:07,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:03:07,615 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:03:07,615 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 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 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:03:07,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:03:08,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:03:08,092 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:03:08,092 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2025-04-14 13:03:08,092 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:03:08,092 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:03:08,092 INFO L139 ounterexampleChecker]: Examining path program with hash 1422518764, occurence #1 [2025-04-14 13:03:08,092 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:03:08,092 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:03:08,092 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:08,093 INFO L85 PathProgramCache]: Analyzing trace with hash -2088457815, now seen corresponding path program 16 times [2025-04-14 13:03:08,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:03:08,093 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323492303] [2025-04-14 13:03:08,093 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:03:08,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:08,120 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 434 statements into 2 equivalence classes. [2025-04-14 13:03:08,255 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 434 of 434 statements. [2025-04-14 13:03:08,255 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:03:08,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 774 proven. 236 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2025-04-14 13:03:09,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:03:09,814 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323492303] [2025-04-14 13:03:09,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323492303] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:09,814 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457909400] [2025-04-14 13:03:09,814 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:03:09,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:03:09,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:03:09,816 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:03:09,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-14 13:03:10,148 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 434 statements into 2 equivalence classes. [2025-04-14 13:03:10,295 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 434 of 434 statements. [2025-04-14 13:03:10,296 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:03:10,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:10,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 1851 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 13:03:10,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 665 proven. 90 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2025-04-14 13:03:10,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:03:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 668 proven. 87 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2025-04-14 13:03:11,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457909400] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:03:11,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:03:11,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19, 19] total 62 [2025-04-14 13:03:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754487244] [2025-04-14 13:03:11,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:03:11,396 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-14 13:03:11,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:03:11,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-14 13:03:11,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=2945, Unknown=0, NotChecked=0, Total=3782 [2025-04-14 13:03:11,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:03:11,398 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:03:11,398 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 8.387096774193548) internal successors, (520), 62 states have internal predecessors, (520), 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 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:03:11,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:03:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:03:12,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:03:12,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:03:12,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:03:12,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:03:12,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:03:12,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:03:12,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:03:12,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-14 13:03:12,234 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:03:12,234 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:03:12,234 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:03:12,235 INFO L139 ounterexampleChecker]: Examining path program with hash 1422518764, occurence #2 [2025-04-14 13:03:12,235 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:03:12,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:03:12,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:12,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 13:03:12,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:12,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:03:12,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:03:12,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 13:03:12,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:03:12,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 13:03:12,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:03:12,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 13:03:12,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:03:12,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-04-14 13:03:12,286 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:12,286 INFO L85 PathProgramCache]: Analyzing trace with hash -966982537, now seen corresponding path program 1 times [2025-04-14 13:03:12,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:12,286 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469309351] [2025-04-14 13:03:12,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:12,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:12,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-04-14 13:03:12,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-04-14 13:03:12,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:12,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 110 proven. 423 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2025-04-14 13:03:13,076 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:13,076 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469309351] [2025-04-14 13:03:13,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469309351] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:13,076 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1733464682] [2025-04-14 13:03:13,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:13,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-04-14 13:03:13,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-04-14 13:03:13,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:13,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:13,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 13:03:13,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 497 proven. 36 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2025-04-14 13:03:13,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1733464682] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:13,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:13,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:03:13,653 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:13,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-14 13:03:13,687 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:13,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1573693739, now seen corresponding path program 1 times [2025-04-14 13:03:13,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:13,687 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748221450] [2025-04-14 13:03:13,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:13,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:13,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-04-14 13:03:13,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-04-14 13:03:13,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:13,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 90 proven. 444 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2025-04-14 13:03:14,530 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:14,530 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748221450] [2025-04-14 13:03:14,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748221450] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:14,530 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2077712736] [2025-04-14 13:03:14,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:14,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:14,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-04-14 13:03:14,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-04-14 13:03:14,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:14,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:14,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 13:03:14,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 498 proven. 36 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2025-04-14 13:03:15,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2077712736] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:15,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:15,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:03:15,124 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:15,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2025-04-14 13:03:15,137 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:15,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1724149056, now seen corresponding path program 1 times [2025-04-14 13:03:15,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:15,138 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381578899] [2025-04-14 13:03:15,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:15,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:15,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 316 statements into 1 equivalence classes. [2025-04-14 13:03:15,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 316 of 316 statements. [2025-04-14 13:03:15,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:15,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2025-04-14 13:03:16,124 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:16,124 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381578899] [2025-04-14 13:03:16,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381578899] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:16,124 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1481799907] [2025-04-14 13:03:16,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:16,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:16,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 316 statements into 1 equivalence classes. [2025-04-14 13:03:16,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 316 of 316 statements. [2025-04-14 13:03:16,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:16,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:16,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 13:03:16,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2025-04-14 13:03:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1481799907] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:16,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:16,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:03:16,736 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 328 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2025-04-14 13:03:16,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 332 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 345 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 346 [2025-04-14 13:03:16,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 349 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 362 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 363 [2025-04-14 13:03:16,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 366 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 379 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 380 [2025-04-14 13:03:16,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 383 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 396 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-04-14 13:03:16,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 400 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 413 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 414 [2025-04-14 13:03:16,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:16,737 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 417 is hopeless, skipping. [2025-04-14 13:03:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2025-04-14 13:03:16,769 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:16,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1260744932, now seen corresponding path program 1 times [2025-04-14 13:03:16,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:16,769 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984638301] [2025-04-14 13:03:16,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:16,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:16,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 423 statements into 1 equivalence classes. [2025-04-14 13:03:16,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 423 of 423 statements. [2025-04-14 13:03:16,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:16,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2025-04-14 13:03:18,337 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:18,337 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984638301] [2025-04-14 13:03:18,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984638301] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:18,338 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2104522549] [2025-04-14 13:03:18,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:18,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:18,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 423 statements into 1 equivalence classes. [2025-04-14 13:03:18,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 423 of 423 statements. [2025-04-14 13:03:18,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:18,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:18,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 13:03:18,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2025-04-14 13:03:19,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2104522549] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:19,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:19,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:03:19,061 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:19,061 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 424 [2025-04-14 13:03:19,077 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:19,077 INFO L85 PathProgramCache]: Analyzing trace with hash 394331833, now seen corresponding path program 1 times [2025-04-14 13:03:19,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:03:19,078 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310330604] [2025-04-14 13:03:19,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:19,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:19,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 425 statements into 1 equivalence classes. [2025-04-14 13:03:19,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 425 of 425 statements. [2025-04-14 13:03:19,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:19,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1804 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2025-04-14 13:03:20,567 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:03:20,567 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310330604] [2025-04-14 13:03:20,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310330604] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:20,567 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1998388293] [2025-04-14 13:03:20,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:03:20,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:20,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 425 statements into 1 equivalence classes. [2025-04-14 13:03:20,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 425 of 425 statements. [2025-04-14 13:03:20,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:03:20,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:20,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 13:03:20,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:03:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1804 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2025-04-14 13:03:21,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1998388293] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:21,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:03:21,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:03:21,313 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:03:21,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-04-14 13:03:21,313 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:03:21,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-14 13:03:21,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:03:21,313 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:03:21,313 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:03:21,313 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:03:21,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1630501187, now seen corresponding path program 17 times [2025-04-14 13:03:21,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:03:21,314 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111812496] [2025-04-14 13:03:21,314 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:03:21,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:03:21,356 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 435 statements into 15 equivalence classes. [2025-04-14 13:03:22,547 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 435 of 435 statements. [2025-04-14 13:03:22,548 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-04-14 13:03:22,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:03:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1401 proven. 358 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-14 13:03:25,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:03:25,694 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111812496] [2025-04-14 13:03:25,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111812496] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:03:25,694 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125082160] [2025-04-14 13:03:25,694 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:03:25,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:03:25,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:03:25,696 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:03:25,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-14 13:03:26,024 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 435 statements into 15 equivalence classes. [2025-04-14 13:11:07,589 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 435 of 435 statements. [2025-04-14 13:11:07,589 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-04-14 13:11:07,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:07,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 13:11:07,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 462 proven. 301 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2025-04-14 13:11:08,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:11:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 208 proven. 555 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2025-04-14 13:11:09,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125082160] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:11:09,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:11:09,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 31, 31] total 107 [2025-04-14 13:11:09,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179917722] [2025-04-14 13:11:09,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:11:09,784 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2025-04-14 13:11:09,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:11:09,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2025-04-14 13:11:09,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2026, Invalid=9530, Unknown=0, NotChecked=0, Total=11556 [2025-04-14 13:11:09,788 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:09,788 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:11:09,789 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 5.333333333333333) internal successors, (576), 107 states have internal predecessors, (576), 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 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:09,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:10,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:10,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:10,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-14 13:11:10,546 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable104,SelfDestructingSolverStorable99,SelfDestructingSolverStorable105,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2025-04-14 13:11:10,546 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:11:10,546 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:11:10,546 INFO L139 ounterexampleChecker]: Examining path program with hash 1422518764, occurence #3 [2025-04-14 13:11:10,546 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:11:10,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:11:10,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:10,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:11:10,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:10,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 13:11:10,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:10,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 13:11:10,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:10,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 13:11:10,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:10,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 13:11:10,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:10,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-04-14 13:11:10,600 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:10,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1774984393, now seen corresponding path program 1 times [2025-04-14 13:11:10,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:10,601 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382474697] [2025-04-14 13:11:10,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:10,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:10,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 256 statements into 1 equivalence classes. [2025-04-14 13:11:10,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 256 of 256 statements. [2025-04-14 13:11:10,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:10,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 110 proven. 423 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-04-14 13:11:11,433 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:11,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382474697] [2025-04-14 13:11:11,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382474697] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:11,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1374680641] [2025-04-14 13:11:11,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:11,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:11,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 256 statements into 1 equivalence classes. [2025-04-14 13:11:11,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 256 of 256 statements. [2025-04-14 13:11:11,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:11,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:11,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 13:11:11,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 497 proven. 36 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-04-14 13:11:12,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1374680641] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:12,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:12,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:11:12,014 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:12,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-04-14 13:11:12,041 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:12,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2078807939, now seen corresponding path program 1 times [2025-04-14 13:11:12,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:12,041 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945292622] [2025-04-14 13:11:12,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:12,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:12,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-04-14 13:11:12,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-04-14 13:11:12,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:12,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 90 proven. 444 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2025-04-14 13:11:12,893 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:12,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945292622] [2025-04-14 13:11:12,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945292622] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:12,894 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1148860886] [2025-04-14 13:11:12,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:12,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:12,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-04-14 13:11:13,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-04-14 13:11:13,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:13,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:13,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 13:11:13,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 498 proven. 36 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2025-04-14 13:11:13,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1148860886] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:13,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:13,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:11:13,502 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:13,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2025-04-14 13:11:13,519 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash -486887060, now seen corresponding path program 1 times [2025-04-14 13:11:13,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:13,520 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102614473] [2025-04-14 13:11:13,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:13,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:13,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 317 statements into 1 equivalence classes. [2025-04-14 13:11:13,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 317 of 317 statements. [2025-04-14 13:11:13,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:13,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2025-04-14 13:11:14,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:14,578 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102614473] [2025-04-14 13:11:14,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102614473] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:14,579 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [465229267] [2025-04-14 13:11:14,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:14,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:14,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 317 statements into 1 equivalence classes. [2025-04-14 13:11:14,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 317 of 317 statements. [2025-04-14 13:11:14,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:14,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:14,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 13:11:14,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2025-04-14 13:11:15,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [465229267] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:15,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:15,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:11:15,190 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:15,190 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 329 is hopeless, skipping. [2025-04-14 13:11:15,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2025-04-14 13:11:15,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 333 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 346 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 347 [2025-04-14 13:11:15,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 350 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 363 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2025-04-14 13:11:15,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 367 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 380 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-04-14 13:11:15,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 384 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 397 is hopeless, skipping. [2025-04-14 13:11:15,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2025-04-14 13:11:15,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:15,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 401 is hopeless, skipping. [2025-04-14 13:11:15,192 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 414 is hopeless, skipping. [2025-04-14 13:11:15,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 415 [2025-04-14 13:11:15,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:15,192 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 418 is hopeless, skipping. [2025-04-14 13:11:15,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-04-14 13:11:15,225 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1106287158, now seen corresponding path program 1 times [2025-04-14 13:11:15,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:15,225 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751682930] [2025-04-14 13:11:15,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:15,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:15,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 424 statements into 1 equivalence classes. [2025-04-14 13:11:15,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 424 of 424 statements. [2025-04-14 13:11:15,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:15,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2025-04-14 13:11:16,613 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:16,613 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751682930] [2025-04-14 13:11:16,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751682930] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:16,613 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1988874176] [2025-04-14 13:11:16,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:16,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 424 statements into 1 equivalence classes. [2025-04-14 13:11:16,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 424 of 424 statements. [2025-04-14 13:11:16,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:16,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:16,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 13:11:16,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2025-04-14 13:11:17,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1988874176] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:17,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:17,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:11:17,278 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:17,278 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-04-14 13:11:17,292 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2010715317, now seen corresponding path program 1 times [2025-04-14 13:11:17,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:17,292 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632615916] [2025-04-14 13:11:17,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:17,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:17,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 426 statements into 1 equivalence classes. [2025-04-14 13:11:17,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 426 of 426 statements. [2025-04-14 13:11:17,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:17,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2025-04-14 13:11:18,677 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:18,677 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632615916] [2025-04-14 13:11:18,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632615916] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:18,677 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1001097212] [2025-04-14 13:11:18,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:18,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:18,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 426 statements into 1 equivalence classes. [2025-04-14 13:11:18,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 426 of 426 statements. [2025-04-14 13:11:18,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:18,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:18,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 13:11:18,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2025-04-14 13:11:19,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1001097212] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:19,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:19,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-04-14 13:11:19,371 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:19,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 430 [2025-04-14 13:11:19,372 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:19,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 434 [2025-04-14 13:11:19,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:19,372 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:11:19,372 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:11:19,372 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash -405809658, now seen corresponding path program 18 times [2025-04-14 13:11:19,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:11:19,372 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289937087] [2025-04-14 13:11:19,372 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:11:19,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:19,402 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 436 statements into 15 equivalence classes. [2025-04-14 13:11:19,483 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 140 of 436 statements. [2025-04-14 13:11:19,483 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 13:11:19,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2025-04-14 13:11:19,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:11:19,753 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289937087] [2025-04-14 13:11:19,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289937087] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:11:19,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:11:19,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 13:11:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725704451] [2025-04-14 13:11:19,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:11:19,753 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 13:11:19,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:11:19,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 13:11:19,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 13:11:19,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:19,754 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:11:19,754 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:19,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:21,931 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:21,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:21,933 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable115,SelfDestructingSolverStorable116,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,SelfDestructingSolverStorable111,SelfDestructingSolverStorable112,SelfDestructingSolverStorable113,SelfDestructingSolverStorable114 [2025-04-14 13:11:21,933 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:11:21,933 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:11:21,933 INFO L139 ounterexampleChecker]: Examining path program with hash 1302617126, occurence #1 [2025-04-14 13:11:21,933 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:11:21,933 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:11:21,933 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:21,933 INFO L85 PathProgramCache]: Analyzing trace with hash -203513585, now seen corresponding path program 19 times [2025-04-14 13:11:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:11:21,934 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073940349] [2025-04-14 13:11:21,934 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:11:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:21,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 697 statements into 1 equivalence classes. [2025-04-14 13:11:22,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 697 of 697 statements. [2025-04-14 13:11:22,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:22,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2912 backedges. 65 proven. 542 refuted. 0 times theorem prover too weak. 2305 trivial. 0 not checked. [2025-04-14 13:11:24,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:11:24,252 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073940349] [2025-04-14 13:11:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073940349] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:24,252 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459165192] [2025-04-14 13:11:24,252 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:11:24,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:11:24,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:11:24,254 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:11:24,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-14 13:11:24,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 697 statements into 1 equivalence classes. [2025-04-14 13:11:24,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 697 of 697 statements. [2025-04-14 13:11:24,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:24,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:24,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 13:11:24,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2912 backedges. 1202 proven. 36 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2025-04-14 13:11:25,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:11:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2912 backedges. 1123 proven. 115 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2025-04-14 13:11:25,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459165192] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:11:25,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:11:25,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 54 [2025-04-14 13:11:25,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010764209] [2025-04-14 13:11:25,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:11:25,825 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-04-14 13:11:25,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:11:25,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-04-14 13:11:25,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2298, Unknown=0, NotChecked=0, Total=2862 [2025-04-14 13:11:25,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:25,826 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:11:25,826 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.111111111111111) internal successors, (384), 54 states have internal predecessors, (384), 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 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:26,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:26,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:26,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-14 13:11:26,459 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2025-04-14 13:11:26,460 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:11:26,460 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:11:26,460 INFO L139 ounterexampleChecker]: Examining path program with hash 1302617126, occurence #2 [2025-04-14 13:11:26,460 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:11:26,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:11:26,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:26,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:11:26,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:26,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 13:11:26,461 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:26,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 13:11:26,461 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:26,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 13:11:26,461 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:26,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 13:11:26,461 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:26,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2025-04-14 13:11:26,514 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:26,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1702739463, now seen corresponding path program 1 times [2025-04-14 13:11:26,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:26,514 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064675599] [2025-04-14 13:11:26,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:26,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-04-14 13:11:26,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-04-14 13:11:26,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:26,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 150 proven. 711 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2025-04-14 13:11:27,617 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:27,617 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064675599] [2025-04-14 13:11:27,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064675599] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:27,617 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1681792715] [2025-04-14 13:11:27,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:27,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:27,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-04-14 13:11:27,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-04-14 13:11:27,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:27,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:27,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 13:11:27,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 795 proven. 66 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2025-04-14 13:11:28,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1681792715] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:28,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:28,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2025-04-14 13:11:28,340 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:28,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-04-14 13:11:28,367 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1880963540, now seen corresponding path program 1 times [2025-04-14 13:11:28,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:28,367 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109258826] [2025-04-14 13:11:28,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:28,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:28,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 356 statements into 1 equivalence classes. [2025-04-14 13:11:28,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 356 of 356 statements. [2025-04-14 13:11:28,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:28,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 120 proven. 757 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2025-04-14 13:11:29,652 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:29,652 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109258826] [2025-04-14 13:11:29,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109258826] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:29,652 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1990086959] [2025-04-14 13:11:29,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:29,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:29,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 356 statements into 1 equivalence classes. [2025-04-14 13:11:29,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 356 of 356 statements. [2025-04-14 13:11:29,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:29,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:29,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 13:11:29,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 798 proven. 79 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2025-04-14 13:11:30,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1990086959] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:30,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:30,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2025-04-14 13:11:30,390 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:30,390 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2025-04-14 13:11:30,421 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:30,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1860578404, now seen corresponding path program 1 times [2025-04-14 13:11:30,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:30,421 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801186620] [2025-04-14 13:11:30,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:30,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 423 statements into 1 equivalence classes. [2025-04-14 13:11:30,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 423 of 423 statements. [2025-04-14 13:11:30,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:30,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 1758 trivial. 0 not checked. [2025-04-14 13:11:30,947 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:30,947 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801186620] [2025-04-14 13:11:30,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801186620] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:11:30,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:11:30,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 13:11:30,948 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 422. Constructing proof automaton... [2025-04-14 13:11:30,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:11:30,948 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 13:11:30,948 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 13:11:30,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 13:11:30,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 13:11:30,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-14 13:11:30,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:30,948 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:11:30,948 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 13:11:30,948 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:30,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:32,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:32,123 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:32,123 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,SelfDestructingSolverStorable121,SelfDestructingSolverStorable119,SelfDestructingSolverStorable118,SelfDestructingSolverStorable122 [2025-04-14 13:11:32,123 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:11:32,123 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:11:32,123 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #1 [2025-04-14 13:11:32,123 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:11:32,123 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:11:32,124 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:32,124 INFO L85 PathProgramCache]: Analyzing trace with hash -284017590, now seen corresponding path program 20 times [2025-04-14 13:11:32,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:11:32,124 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807736293] [2025-04-14 13:11:32,124 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:11:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:32,168 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 715 statements into 2 equivalence classes. [2025-04-14 13:11:32,532 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 715 of 715 statements. [2025-04-14 13:11:32,532 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:11:32,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3874 backedges. 483 proven. 1346 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2025-04-14 13:11:34,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:11:34,741 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807736293] [2025-04-14 13:11:34,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807736293] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:34,741 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592842654] [2025-04-14 13:11:34,741 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:11:34,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:11:34,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:11:34,743 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:11:34,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-14 13:11:35,166 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 715 statements into 2 equivalence classes. [2025-04-14 13:11:35,411 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 715 of 715 statements. [2025-04-14 13:11:35,411 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:11:35,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:35,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-14 13:11:35,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3874 backedges. 1619 proven. 113 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2025-04-14 13:11:36,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:11:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3874 backedges. 1682 proven. 50 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2025-04-14 13:11:36,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592842654] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:11:36,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:11:36,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 65 [2025-04-14 13:11:36,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758594444] [2025-04-14 13:11:36,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:11:36,832 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-04-14 13:11:36,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:11:36,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-04-14 13:11:36,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=3200, Unknown=0, NotChecked=0, Total=4160 [2025-04-14 13:11:36,834 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:36,834 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:11:36,834 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.492307692307692) internal successors, (487), 65 states have internal predecessors, (487), 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 13:11:36,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:36,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:11:37,933 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:37,933 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:37,933 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:37,933 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:11:37,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 13:11:37,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-14 13:11:38,135 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2025-04-14 13:11:38,135 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:11:38,135 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:11:38,136 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #2 [2025-04-14 13:11:38,136 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:11:38,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:11:38,136 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:38,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:11:38,136 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:38,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 13:11:38,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:38,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 13:11:38,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:38,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 13:11:38,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:38,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 13:11:38,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:38,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 331 [2025-04-14 13:11:38,186 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:38,186 INFO L85 PathProgramCache]: Analyzing trace with hash 386232256, now seen corresponding path program 1 times [2025-04-14 13:11:38,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:38,186 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748743362] [2025-04-14 13:11:38,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:38,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:38,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-04-14 13:11:38,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-04-14 13:11:38,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:38,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 222 proven. 754 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2025-04-14 13:11:39,440 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:39,440 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748743362] [2025-04-14 13:11:39,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748743362] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:39,440 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [50543925] [2025-04-14 13:11:39,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:39,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-04-14 13:11:39,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-04-14 13:11:39,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:39,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:39,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-14 13:11:39,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 897 proven. 79 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2025-04-14 13:11:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [50543925] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:40,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:40,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2025-04-14 13:11:40,227 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:40,227 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 429 is hopeless, skipping. [2025-04-14 13:11:40,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2025-04-14 13:11:40,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:40,227 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 447 is hopeless, skipping. [2025-04-14 13:11:40,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-14 13:11:40,254 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash -888768885, now seen corresponding path program 1 times [2025-04-14 13:11:40,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:11:40,254 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661981408] [2025-04-14 13:11:40,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:40,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 553 statements into 1 equivalence classes. [2025-04-14 13:11:40,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 553 of 553 statements. [2025-04-14 13:11:40,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:40,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3350 backedges. 1527 proven. 903 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2025-04-14 13:11:42,332 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:11:42,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661981408] [2025-04-14 13:11:42,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661981408] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:42,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [207749004] [2025-04-14 13:11:42,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:11:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:42,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 553 statements into 1 equivalence classes. [2025-04-14 13:11:42,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 553 of 553 statements. [2025-04-14 13:11:42,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:11:42,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:42,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-14 13:11:42,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:11:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3350 backedges. 2300 proven. 130 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2025-04-14 13:11:43,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [207749004] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:43,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:11:43,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2025-04-14 13:11:43,277 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:11:43,277 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 625 is hopeless, skipping. [2025-04-14 13:11:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 713 [2025-04-14 13:11:43,277 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:11:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 714 [2025-04-14 13:11:43,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:11:43,277 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:11:43,277 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:11:43,278 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:11:43,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1433572918, now seen corresponding path program 21 times [2025-04-14 13:11:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:11:43,278 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40264149] [2025-04-14 13:11:43,278 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:11:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:11:43,322 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 716 statements into 20 equivalence classes. [2025-04-14 13:11:44,003 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 304 of 716 statements. [2025-04-14 13:11:44,003 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 13:11:44,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:11:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 284 proven. 1342 refuted. 0 times theorem prover too weak. 2258 trivial. 0 not checked. [2025-04-14 13:11:45,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:11:45,485 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40264149] [2025-04-14 13:11:45,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40264149] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:11:45,485 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637780163] [2025-04-14 13:11:45,485 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:11:45,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:11:45,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:11:45,487 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:11:45,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-14 13:11:45,924 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 716 statements into 20 equivalence classes. [2025-04-14 13:12:22,319 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 304 of 716 statements. [2025-04-14 13:12:22,320 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 13:12:22,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:22,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-14 13:12:22,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:12:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 296 proven. 55 refuted. 0 times theorem prover too weak. 3533 trivial. 0 not checked. [2025-04-14 13:12:23,280 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:12:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 110 proven. 241 refuted. 0 times theorem prover too weak. 3533 trivial. 0 not checked. [2025-04-14 13:12:24,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637780163] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:12:24,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:12:24,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 25, 25] total 80 [2025-04-14 13:12:24,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573243504] [2025-04-14 13:12:24,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:12:24,224 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2025-04-14 13:12:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:12:24,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2025-04-14 13:12:24,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=5198, Unknown=0, NotChecked=0, Total=6320 [2025-04-14 13:12:24,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:12:24,227 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:12:24,227 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.475) internal successors, (518), 80 states have internal predecessors, (518), 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 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:12:24,227 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 13:12:24,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:25,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 13:12:25,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:12:25,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-14 13:12:25,428 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,SelfDestructingSolverStorable127,SelfDestructingSolverStorable128,SelfDestructingSolverStorable124,SelfDestructingSolverStorable125,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:12:25,429 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:12:25,429 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:12:25,429 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #3 [2025-04-14 13:12:25,429 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:12:25,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:12:25,429 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:12:25,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:12:25,429 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:12:25,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 13:12:25,429 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:25,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 13:12:25,429 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:25,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 13:12:25,429 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:25,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 13:12:25,430 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:25,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2025-04-14 13:12:25,480 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:12:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1823096890, now seen corresponding path program 1 times [2025-04-14 13:12:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:12:25,481 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498249625] [2025-04-14 13:12:25,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:12:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:25,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-04-14 13:12:25,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-04-14 13:12:25,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:12:25,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 345 proven. 780 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2025-04-14 13:12:26,880 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:12:26,880 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498249625] [2025-04-14 13:12:26,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498249625] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:12:26,880 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1478629604] [2025-04-14 13:12:26,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:12:26,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:26,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-04-14 13:12:27,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-04-14 13:12:27,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:12:27,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:27,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 13:12:27,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:12:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 1019 proven. 106 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2025-04-14 13:12:27,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1478629604] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:12:27,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:12:27,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-04-14 13:12:27,783 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:12:27,783 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 431 is hopeless, skipping. [2025-04-14 13:12:27,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 447 [2025-04-14 13:12:27,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:12:27,783 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 449 is hopeless, skipping. [2025-04-14 13:12:27,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-04-14 13:12:27,810 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:12:27,810 INFO L85 PathProgramCache]: Analyzing trace with hash 903358097, now seen corresponding path program 1 times [2025-04-14 13:12:27,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:12:27,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732414179] [2025-04-14 13:12:27,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:12:27,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:27,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 555 statements into 1 equivalence classes. [2025-04-14 13:12:28,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 555 of 555 statements. [2025-04-14 13:12:28,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:12:28,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3373 backedges. 1691 proven. 958 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2025-04-14 13:12:30,162 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:12:30,162 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732414179] [2025-04-14 13:12:30,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732414179] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:12:30,162 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1737072247] [2025-04-14 13:12:30,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:12:30,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:30,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 555 statements into 1 equivalence classes. [2025-04-14 13:12:30,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 555 of 555 statements. [2025-04-14 13:12:30,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:12:30,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:30,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 13:12:30,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:12:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3373 backedges. 2468 proven. 181 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2025-04-14 13:12:31,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1737072247] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:12:31,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:12:31,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-04-14 13:12:31,282 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:12:31,282 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 627 is hopeless, skipping. [2025-04-14 13:12:31,282 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 715 [2025-04-14 13:12:31,282 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:31,282 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 716 [2025-04-14 13:12:31,282 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:12:31,282 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:12:31,282 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:12:31,282 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:12:31,283 INFO L85 PathProgramCache]: Analyzing trace with hash 668842442, now seen corresponding path program 22 times [2025-04-14 13:12:31,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:12:31,283 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452323030] [2025-04-14 13:12:31,283 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:12:31,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:31,326 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 718 statements into 2 equivalence classes. [2025-04-14 13:12:31,673 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 718 of 718 statements. [2025-04-14 13:12:31,673 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:12:31,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 1901 proven. 1978 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-04-14 13:12:49,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:12:49,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452323030] [2025-04-14 13:12:49,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452323030] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:12:49,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599166966] [2025-04-14 13:12:49,689 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:12:49,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:12:49,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:12:49,691 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:12:49,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-14 13:12:50,153 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 718 statements into 2 equivalence classes. [2025-04-14 13:12:50,409 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 718 of 718 statements. [2025-04-14 13:12:50,409 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:12:50,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:50,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 13:12:50,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:12:52,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 2195 proven. 78 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2025-04-14 13:12:52,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:12:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 2040 proven. 233 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2025-04-14 13:12:54,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599166966] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:12:54,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:12:54,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 28, 28] total 201 [2025-04-14 13:12:54,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074737342] [2025-04-14 13:12:54,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:12:54,286 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2025-04-14 13:12:54,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:12:54,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2025-04-14 13:12:54,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3715, Invalid=36485, Unknown=0, NotChecked=0, Total=40200 [2025-04-14 13:12:54,292 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:12:54,292 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:12:54,293 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 5.45771144278607) internal successors, (1097), 201 states have internal predecessors, (1097), 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 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:12:54,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:12:55,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:12:55,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:12:55,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 13:12:55,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:12:55,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 13:12:55,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-04-14 13:12:55,411 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,SelfDestructingSolverStorable131,SelfDestructingSolverStorable132,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129,SelfDestructingSolverStorable133 [2025-04-14 13:12:55,411 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:12:55,411 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:12:55,412 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #4 [2025-04-14 13:12:55,412 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:12:55,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:12:55,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:12:55,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 13:12:55,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:12:55,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 13:12:55,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:55,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 13:12:55,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:55,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 13:12:55,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:55,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 13:12:55,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:12:55,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 335 [2025-04-14 13:12:55,465 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:12:55,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1172454543, now seen corresponding path program 1 times [2025-04-14 13:12:55,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:12:55,465 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476410803] [2025-04-14 13:12:55,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:12:55,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:55,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-04-14 13:12:55,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-04-14 13:12:55,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:12:55,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 449 proven. 762 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2025-04-14 13:12:56,895 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:12:56,895 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476410803] [2025-04-14 13:12:56,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476410803] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:12:56,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1501531595] [2025-04-14 13:12:56,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:12:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:56,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-04-14 13:12:57,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-04-14 13:12:57,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:12:57,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:12:57,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 13:12:57,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:12:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 1089 proven. 122 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2025-04-14 13:12:57,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1501531595] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:12:57,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:12:57,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 13:12:57,892 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:12:57,892 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 433 is hopeless, skipping. [2025-04-14 13:12:57,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2025-04-14 13:12:57,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:12:57,892 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 451 is hopeless, skipping. [2025-04-14 13:12:57,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-04-14 13:12:57,918 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:12:57,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2005553996, now seen corresponding path program 1 times [2025-04-14 13:12:57,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:12:57,919 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605633458] [2025-04-14 13:12:57,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:12:57,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:12:57,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 557 statements into 1 equivalence classes. [2025-04-14 13:12:58,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 557 of 557 statements. [2025-04-14 13:12:58,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:12:58,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:13:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 1729 proven. 968 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2025-04-14 13:13:00,447 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 13:13:00,447 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605633458] [2025-04-14 13:13:00,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605633458] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:13:00,447 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1740671166] [2025-04-14 13:13:00,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:13:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:13:00,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 557 statements into 1 equivalence classes. [2025-04-14 13:13:00,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 557 of 557 statements. [2025-04-14 13:13:00,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:13:00,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:13:00,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 2302 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 13:13:00,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:13:01,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 2499 proven. 198 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2025-04-14 13:13:01,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1740671166] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:13:01,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 13:13:01,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 13:13:01,694 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 13:13:01,694 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 629 is hopeless, skipping. [2025-04-14 13:13:01,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2025-04-14 13:13:01,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:13:01,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 718 [2025-04-14 13:13:01,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:13:01,695 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:13:01,695 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:13:01,695 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:13:01,695 INFO L85 PathProgramCache]: Analyzing trace with hash -411261299, now seen corresponding path program 23 times [2025-04-14 13:13:01,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:13:01,695 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135997199] [2025-04-14 13:13:01,695 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:13:01,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:13:01,741 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 720 statements into 20 equivalence classes. [2025-04-14 13:13:07,026 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) and asserted 720 of 720 statements. [2025-04-14 13:13:07,026 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2025-04-14 13:13:07,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:13:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3936 backedges. 3376 proven. 355 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-14 13:13:12,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:13:12,916 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135997199] [2025-04-14 13:13:12,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135997199] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:13:12,916 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374039537] [2025-04-14 13:13:12,916 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:13:12,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:13:12,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:13:12,918 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:13:12,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-14 13:13:13,402 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 720 statements into 20 equivalence classes. Received shutdown request... [2025-04-14 13:15:31,323 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 13:15:31,326 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 13:15:31,327 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 13:15:32,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 13:15:32,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2025-04-14 13:15:32,529 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forcibly destroying the process [2025-04-14 13:15:32,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 137 [2025-04-14 13:15:32,673 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 13:15:32,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 13:15:32,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2025-04-14 13:15:32,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132857303] [2025-04-14 13:15:32,673 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 13:15:32,674 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-14 13:15:32,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:15:32,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-14 13:15:32,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=940, Invalid=2966, Unknown=0, NotChecked=0, Total=3906 [2025-04-14 13:15:32,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:15:32,675 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:15:32,675 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 9.095238095238095) internal successors, (573), 62 states have internal predecessors, (573), 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 13:15:32,675 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 13:15:32,676 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:15:32,677 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137,SelfDestructingSolverStorable138,SelfDestructingSolverStorable134,SelfDestructingSolverStorable135,SelfDestructingSolverStorable136 [2025-04-14 13:15:32,678 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 13:15:32,679 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-14 13:15:32,680 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-14 13:15:32,680 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-14 13:15:32,680 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-14 13:15:32,680 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-14 13:15:32,684 INFO L422 BasicCegarLoop]: Path program histogram: [23, 6, 1] [2025-04-14 13:15:32,688 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 13:15:32,688 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 13:15:32,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 01:15:32 BasicIcfg [2025-04-14 13:15:32,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 13:15:32,691 INFO L158 Benchmark]: Toolchain (without parser) took 850381.28ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 100.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 687.6MB. Max. memory is 8.0GB. [2025-04-14 13:15:32,692 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:15:32,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.11ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 83.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-14 13:15:32,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.51ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 81.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:15:32,693 INFO L158 Benchmark]: Boogie Preprocessor took 23.49ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 13:15:32,693 INFO L158 Benchmark]: RCFGBuilder took 707.10ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 56.1MB in the end (delta: 23.0MB). Peak memory consumption was 62.1MB. Max. memory is 8.0GB. [2025-04-14 13:15:32,693 INFO L158 Benchmark]: TraceAbstraction took 849350.32ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 55.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 642.3MB. Max. memory is 8.0GB. [2025-04-14 13:15:32,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 260.11ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 83.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.51ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 81.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.49ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 707.10ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 56.1MB in the end (delta: 23.0MB). Peak memory consumption was 62.1MB. Max. memory is 8.0GB. * TraceAbstraction took 849350.32ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 55.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 642.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 526627, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 59864, dependent conditional: 59844, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 472774, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 6011, dependent conditional: 5991, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 472774, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 6011, dependent conditional: 5991, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 619338, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 152575, dependent conditional: 152555, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 619338, independent: 466763, independent conditional: 17199, independent unconditional: 449564, dependent: 152575, dependent conditional: 68859, dependent unconditional: 83716, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 619338, independent: 466763, independent conditional: 17199, independent unconditional: 449564, dependent: 152575, dependent conditional: 68859, dependent unconditional: 83716, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1594, independent: 1218, independent conditional: 66, independent unconditional: 1152, dependent: 376, dependent conditional: 356, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1594, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 448, dependent conditional: 0, dependent unconditional: 448, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 448, independent: 72, independent conditional: 66, independent unconditional: 6, dependent: 376, dependent conditional: 356, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 448, independent: 72, independent conditional: 66, independent unconditional: 6, dependent: 376, dependent conditional: 356, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10078, independent: 1682, independent conditional: 1471, independent unconditional: 211, dependent: 8395, dependent conditional: 7710, dependent unconditional: 685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 56, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 619338, independent: 465545, independent conditional: 17133, independent unconditional: 448412, dependent: 152199, dependent conditional: 68503, dependent unconditional: 83696, unknown: 1594, unknown conditional: 422, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1650, Positive cache size: 1274, Positive conditional cache size: 122, Positive unconditional cache size: 1152, Negative cache size: 376, Negative conditional cache size: 356, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 531926, Maximal queried relation: 19, Independence queries for same thread: 53853, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 614, Number of trivial persistent sets: 394, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1354, independent: 1334, independent conditional: 0, independent unconditional: 1334, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 526627, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 59864, dependent conditional: 59844, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 472774, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 6011, dependent conditional: 5991, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 472774, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 6011, dependent conditional: 5991, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 619338, independent: 466763, independent conditional: 465429, independent unconditional: 1334, dependent: 152575, dependent conditional: 152555, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 619338, independent: 466763, independent conditional: 17199, independent unconditional: 449564, dependent: 152575, dependent conditional: 68859, dependent unconditional: 83716, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 619338, independent: 466763, independent conditional: 17199, independent unconditional: 449564, dependent: 152575, dependent conditional: 68859, dependent unconditional: 83716, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1594, independent: 1218, independent conditional: 66, independent unconditional: 1152, dependent: 376, dependent conditional: 356, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1594, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 448, dependent conditional: 0, dependent unconditional: 448, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 448, independent: 72, independent conditional: 66, independent unconditional: 6, dependent: 376, dependent conditional: 356, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 448, independent: 72, independent conditional: 66, independent unconditional: 6, dependent: 376, dependent conditional: 356, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10078, independent: 1682, independent conditional: 1471, independent unconditional: 211, dependent: 8395, dependent conditional: 7710, dependent unconditional: 685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 56, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 619338, independent: 465545, independent conditional: 17133, independent unconditional: 448412, dependent: 152199, dependent conditional: 68503, dependent unconditional: 83696, unknown: 1594, unknown conditional: 422, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1650, Positive cache size: 1274, Positive conditional cache size: 122, Positive unconditional cache size: 1152, Negative cache size: 376, Negative conditional cache size: 356, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 531926, Maximal queried relation: 19, Independence queries for same thread: 53853 - TimeoutResultAtElement [Line: 155]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 76 locations, 86 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 849.2s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 23, EmptinessCheckTime: 21.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 473, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 535.7s SatisfiabilityAnalysisTime, 64.6s InterpolantComputationTime, 15838 NumberOfCodeBlocks, 13749 NumberOfCodeBlocksAsserted, 190 NumberOfCheckSat, 22390 ConstructedInterpolants, 0 QuantifiedInterpolants, 83962 SizeOfPredicates, 69 NumberOfNonLiveVariables, 27669 ConjunctsInSsa, 404 ConjunctsInUnsatCore, 74 InterpolantComputations, 8 PerfectInterpolantSequences, 74424/84786 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 3, ConComChecker Statistics: CheckTime [ms]: 77028, ConditionCalculationTime [ms]: 1835, ConditionCalculations: 150, QuantifiedConditions: 0, TraceChecks: 56, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 53 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown