/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 12:33:49,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 12:33:49,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 12:33:49,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 12:33:49,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 12:33:49,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 12:33:49,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 12:33:49,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 12:33:49,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 12:33:49,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 12:33:49,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 12:33:49,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 12:33:49,408 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 12:33:49,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 12:33:49,409 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 12:33:49,410 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:33:49,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:33:49,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:33:49,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 12:33:49,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 12:33:49,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 12:33:49,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 12:33:49,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 12:33:49,638 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 12:33:49,639 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 12:33:49,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2025-04-14 12:33:50,967 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd636b7a0/739353659f314718a64cba8a39324ee6/FLAG9163bc269 [2025-04-14 12:33:51,165 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 12:33:51,165 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2025-04-14 12:33:51,171 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd636b7a0/739353659f314718a64cba8a39324ee6/FLAG9163bc269 [2025-04-14 12:33:52,017 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd636b7a0/739353659f314718a64cba8a39324ee6 [2025-04-14 12:33:52,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 12:33:52,020 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 12:33:52,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 12:33:52,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 12:33:52,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 12:33:52,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaca644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52, skipping insertion in model container [2025-04-14 12:33:52,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 12:33:52,185 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2025-04-14 12:33:52,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:33:52,200 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 12:33:52,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2025-04-14 12:33:52,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:33:52,236 INFO L204 MainTranslator]: Completed translation [2025-04-14 12:33:52,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52 WrapperNode [2025-04-14 12:33:52,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 12:33:52,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 12:33:52,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 12:33:52,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 12:33:52,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,275 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 288 [2025-04-14 12:33:52,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 12:33:52,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 12:33:52,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 12:33:52,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 12:33:52,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,297 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 12:33:52,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 12:33:52,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 12:33:52,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 12:33:52,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (1/1) ... [2025-04-14 12:33:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:33:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:52,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 12:33:52,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 12:33:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 12:33:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 12:33:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 12:33:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 12:33:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 12:33:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 12:33:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 12:33:52,365 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 12:33:52,477 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 12:33:52,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 12:33:52,846 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 12:33:52,846 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 12:33:53,117 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 12:33:53,117 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-14 12:33:53,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:33:53 BoogieIcfgContainer [2025-04-14 12:33:53,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 12:33:53,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 12:33:53,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 12:33:53,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 12:33:53,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:33:52" (1/3) ... [2025-04-14 12:33:53,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69624aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:33:53, skipping insertion in model container [2025-04-14 12:33:53,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:33:52" (2/3) ... [2025-04-14 12:33:53,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69624aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:33:53, skipping insertion in model container [2025-04-14 12:33:53,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:33:53" (3/3) ... [2025-04-14 12:33:53,124 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2025-04-14 12:33:53,138 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 12:33:53,141 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1.wvr.c that has 5 procedures, 46 locations, 50 edges, 1 initial locations, 5 loop locations, and 1 error locations. [2025-04-14 12:33:53,141 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 12:33:53,189 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-14 12:33:53,221 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:33:53,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 12:33:53,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:53,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 12:33:53,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 12:33:53,285 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 12:33:53,298 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 12:33:53,306 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;@48e9cd6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:33:53,306 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 12:33:53,594 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 12:33:53,594 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:53,595 INFO L139 ounterexampleChecker]: Examining path program with hash -948233307, occurence #1 [2025-04-14 12:33:53,595 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:33:53,595 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:33:53,598 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:53,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1217226255, now seen corresponding path program 1 times [2025-04-14 12:33:53,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:33:53,605 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119068529] [2025-04-14 12:33:53,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:53,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:53,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 12:33:53,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 12:33:53,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:53,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:53,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:53,802 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119068529] [2025-04-14 12:33:53,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119068529] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:33:53,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:33:53,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 12:33:53,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045120904] [2025-04-14 12:33:53,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:33:53,806 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 12:33:53,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:33:53,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 12:33:53,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 12:33:53,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:53,822 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:33:53,823 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:33:53,824 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:54,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:54,319 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 12:33:54,320 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 12:33:54,320 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:54,320 INFO L139 ounterexampleChecker]: Examining path program with hash -2003445915, occurence #1 [2025-04-14 12:33:54,320 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:33:54,320 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:33:54,320 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:54,321 INFO L85 PathProgramCache]: Analyzing trace with hash -308564806, now seen corresponding path program 1 times [2025-04-14 12:33:54,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:33:54,321 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044965781] [2025-04-14 12:33:54,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:54,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:54,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-04-14 12:33:54,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-04-14 12:33:54,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:54,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:54,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:54,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:54,919 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044965781] [2025-04-14 12:33:54,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044965781] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:33:54,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:33:54,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:33:54,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082988818] [2025-04-14 12:33:54,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:33:54,921 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:33:54,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:33:54,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:33:54,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 12:33:54,922 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:54,925 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:33:54,925 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 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 12:33:54,925 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:54,925 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:55,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:55,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:55,080 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 12:33:55,080 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 12:33:55,080 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:55,080 INFO L139 ounterexampleChecker]: Examining path program with hash -2003445915, occurence #2 [2025-04-14 12:33:55,080 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:33:55,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:33:55,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:55,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 12:33:55,090 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:55,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 12:33:55,090 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:55,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:33:55,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:55,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:33:55,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:55,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 12:33:55,133 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:55,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2126812619, now seen corresponding path program 1 times [2025-04-14 12:33:55,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:55,134 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953445901] [2025-04-14 12:33:55,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:55,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:55,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 12:33:55,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 12:33:55,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:55,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:55,339 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:55,339 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953445901] [2025-04-14 12:33:55,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953445901] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:55,339 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1761520678] [2025-04-14 12:33:55,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:55,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:55,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 12:33:55,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 12:33:55,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:55,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:55,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:33:55,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:55,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1761520678] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:55,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:55,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-14 12:33:55,495 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:55,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 12:33:55,519 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:55,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1119614862, now seen corresponding path program 1 times [2025-04-14 12:33:55,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:55,520 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052304354] [2025-04-14 12:33:55,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:55,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-14 12:33:55,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-14 12:33:55,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:55,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:55,738 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:55,738 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052304354] [2025-04-14 12:33:55,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052304354] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:55,738 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [34287824] [2025-04-14 12:33:55,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:55,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:55,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-14 12:33:55,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-14 12:33:55,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:55,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:55,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:33:55,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:55,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:55,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [34287824] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:55,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:55,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-14 12:33:55,894 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:55,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 12:33:55,918 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1734325935, now seen corresponding path program 1 times [2025-04-14 12:33:55,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:55,919 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790198722] [2025-04-14 12:33:55,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:55,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-14 12:33:55,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-14 12:33:55,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:55,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:56,161 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:56,161 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790198722] [2025-04-14 12:33:56,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790198722] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:56,161 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1163357553] [2025-04-14 12:33:56,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:56,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:56,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-14 12:33:56,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-14 12:33:56,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:56,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:56,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:33:56,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:56,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1163357553] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:56,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:56,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-14 12:33:56,301 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:56,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 12:33:56,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:56,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 12:33:56,350 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:56,350 INFO L85 PathProgramCache]: Analyzing trace with hash -835469828, now seen corresponding path program 1 times [2025-04-14 12:33:56,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:56,350 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941869495] [2025-04-14 12:33:56,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:56,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:56,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-04-14 12:33:56,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-04-14 12:33:56,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:56,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:56,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:56,578 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941869495] [2025-04-14 12:33:56,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941869495] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:56,578 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [3946441] [2025-04-14 12:33:56,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:56,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:56,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-04-14 12:33:56,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-04-14 12:33:56,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:56,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:56,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:33:56,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:56,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [3946441] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:56,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:56,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-14 12:33:56,702 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:56,702 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 94 is hopeless, skipping. [2025-04-14 12:33:56,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-14 12:33:56,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:56,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-04-14 12:33:56,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:56,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 12:33:56,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:56,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 12:33:56,702 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:56,702 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:33:56,702 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:33:56,703 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1981939967, now seen corresponding path program 1 times [2025-04-14 12:33:56,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:33:56,703 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100905515] [2025-04-14 12:33:56,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:56,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:56,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-14 12:33:56,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-14 12:33:56,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:56,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:56,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:56,977 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100905515] [2025-04-14 12:33:56,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100905515] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:56,977 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949581796] [2025-04-14 12:33:56,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:56,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:33:56,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:56,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:33:56,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 12:33:57,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-14 12:33:57,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-14 12:33:57,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:57,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:57,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 12:33:57,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:57,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:33:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:57,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949581796] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:33:57,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:33:57,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11, 11] total 24 [2025-04-14 12:33:57,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425061364] [2025-04-14 12:33:57,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:33:57,695 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-14 12:33:57,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:33:57,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-14 12:33:57,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2025-04-14 12:33:57,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:57,698 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:33:57,699 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 24 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:33:57,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:57,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:57,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:57,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:57,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:57,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:57,983 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 12:33:58,183 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2025-04-14 12:33:58,183 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 12:33:58,183 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:58,183 INFO L139 ounterexampleChecker]: Examining path program with hash -2003445915, occurence #3 [2025-04-14 12:33:58,184 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:33:58,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:33:58,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:58,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 12:33:58,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:58,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:33:58,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:58,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:33:58,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:58,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:33:58,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:58,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 12:33:58,219 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:58,219 INFO L85 PathProgramCache]: Analyzing trace with hash -202970584, now seen corresponding path program 1 times [2025-04-14 12:33:58,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:58,219 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638187234] [2025-04-14 12:33:58,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:58,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:58,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-14 12:33:58,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-14 12:33:58,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:58,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:33:58,289 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:33:58,289 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:33:58,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 12:33:58,305 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:58,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1917266945, now seen corresponding path program 1 times [2025-04-14 12:33:58,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:58,306 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292057008] [2025-04-14 12:33:58,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:58,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:58,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-14 12:33:58,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 12:33:58,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:58,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:58,517 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:58,517 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292057008] [2025-04-14 12:33:58,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292057008] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:58,518 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [73396372] [2025-04-14 12:33:58,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:58,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:58,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-14 12:33:58,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 12:33:58,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:58,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:58,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 12:33:58,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:58,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [73396372] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:58,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:58,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2025-04-14 12:33:58,781 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:58,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 12:33:58,799 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:58,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1201393604, now seen corresponding path program 1 times [2025-04-14 12:33:58,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:58,800 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771577604] [2025-04-14 12:33:58,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:58,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:58,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-14 12:33:58,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 12:33:58,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:58,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:59,203 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:33:59,203 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771577604] [2025-04-14 12:33:59,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771577604] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:59,203 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1113939639] [2025-04-14 12:33:59,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:59,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:59,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-14 12:33:59,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 12:33:59,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:59,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:59,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 12:33:59,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:59,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1113939639] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:59,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:33:59,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 32 [2025-04-14 12:33:59,696 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:33:59,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 12:33:59,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:59,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 12:33:59,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:59,731 INFO L85 PathProgramCache]: Analyzing trace with hash 128381569, now seen corresponding path program 1 times [2025-04-14 12:33:59,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:59,731 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646515135] [2025-04-14 12:33:59,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:59,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:59,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 12:33:59,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 12:33:59,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:59,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:00,262 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:34:00,262 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646515135] [2025-04-14 12:34:00,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646515135] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:00,263 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1512664477] [2025-04-14 12:34:00,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:00,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:00,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 12:34:00,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 12:34:00,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:00,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:00,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 12:34:00,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:00,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1512664477] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:00,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:34:00,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 38 [2025-04-14 12:34:00,952 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:34:00,952 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2025-04-14 12:34:00,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 12:34:00,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:00,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 12:34:00,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:00,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 12:34:00,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:00,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 12:34:00,953 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:00,953 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:34:00,953 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:00,953 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash 348227194, now seen corresponding path program 2 times [2025-04-14 12:34:00,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:00,953 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031922752] [2025-04-14 12:34:00,953 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:34:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:00,966 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-04-14 12:34:00,982 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 116 of 120 statements. [2025-04-14 12:34:00,982 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 12:34:00,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 12:34:01,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:01,337 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031922752] [2025-04-14 12:34:01,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031922752] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:34:01,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:34:01,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-14 12:34:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754523060] [2025-04-14 12:34:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:34:01,337 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-14 12:34:01,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:01,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-14 12:34:01,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-04-14 12:34:01,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:01,338 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:01,339 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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 12:34:01,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:01,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:01,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:01,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:01,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:01,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:01,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:01,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:01,630 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-14 12:34:01,630 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 12:34:01,630 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:01,630 INFO L139 ounterexampleChecker]: Examining path program with hash -1653370032, occurence #1 [2025-04-14 12:34:01,630 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:34:01,630 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:01,630 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1989206232, now seen corresponding path program 3 times [2025-04-14 12:34:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:01,631 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160403121] [2025-04-14 12:34:01,631 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:34:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:01,643 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-04-14 12:34:01,803 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-04-14 12:34:01,803 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-14 12:34:01,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-04-14 12:34:02,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:02,354 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160403121] [2025-04-14 12:34:02,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160403121] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:02,354 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387266205] [2025-04-14 12:34:02,354 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:34:02,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:02,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:02,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:34:02,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 12:34:02,467 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-04-14 12:34:02,574 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-04-14 12:34:02,575 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-14 12:34:02,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:02,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 12:34:02,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 32 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 12:34:03,088 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 68 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 12:34:03,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387266205] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:03,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:03,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 16] total 50 [2025-04-14 12:34:03,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706245820] [2025-04-14 12:34:03,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:03,526 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-04-14 12:34:03,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:03,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-04-14 12:34:03,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=2040, Unknown=0, NotChecked=0, Total=2550 [2025-04-14 12:34:03,531 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:03,531 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:03,531 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 7.294117647058823) internal successors, (372), 50 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:03,531 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:03,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:03,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:03,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:03,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:03,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:03,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:03,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:03,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:03,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:03,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 12:34:04,073 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:04,073 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 12:34:04,073 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:04,073 INFO L139 ounterexampleChecker]: Examining path program with hash -1653370032, occurence #2 [2025-04-14 12:34:04,073 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:34:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:34:04,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:34:04,074 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:34:04,074 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 12:34:04,074 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 12:34:04,074 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 12:34:04,097 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:04,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1525633347, now seen corresponding path program 1 times [2025-04-14 12:34:04,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:34:04,098 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200324616] [2025-04-14 12:34:04,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:04,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:04,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-14 12:34:04,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-14 12:34:04,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:04,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:34:04,128 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:34:04,128 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2025-04-14 12:34:04,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 12:34:04,129 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:04,129 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:34:04,129 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:04,130 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:04,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2101255304, now seen corresponding path program 4 times [2025-04-14 12:34:04,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:04,130 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479939076] [2025-04-14 12:34:04,130 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:34:04,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:04,145 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-04-14 12:34:04,151 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-04-14 12:34:04,151 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:34:04,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 12:34:04,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:04,421 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479939076] [2025-04-14 12:34:04,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479939076] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:04,421 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526059096] [2025-04-14 12:34:04,421 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:34:04,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:04,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:04,424 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:34:04,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 12:34:04,507 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-04-14 12:34:04,533 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-04-14 12:34:04,533 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:34:04,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:04,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-04-14 12:34:04,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 12:34:05,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 12:34:05,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526059096] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:05,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:05,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 30, 9] total 39 [2025-04-14 12:34:05,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984664231] [2025-04-14 12:34:05,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:05,298 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-14 12:34:05,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:05,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-14 12:34:05,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2025-04-14 12:34:05,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:05,300 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:05,300 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.717948717948718) internal successors, (262), 39 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:05,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:05,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:05,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:05,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:05,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:05,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:06,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:06,746 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:06,746 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:06,746 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:06,746 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:06,746 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 12:34:06,752 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 12:34:06,950 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:06,950 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 12:34:06,950 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:06,950 INFO L139 ounterexampleChecker]: Examining path program with hash -124366337, occurence #1 [2025-04-14 12:34:06,950 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:34:06,950 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:06,951 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash -749144095, now seen corresponding path program 5 times [2025-04-14 12:34:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:06,951 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881966285] [2025-04-14 12:34:06,951 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:34:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:06,971 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-04-14 12:34:07,113 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-04-14 12:34:07,114 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-14 12:34:07,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 504 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:34:08,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:08,001 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881966285] [2025-04-14 12:34:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881966285] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:08,001 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522151149] [2025-04-14 12:34:08,001 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:34:08,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:08,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:08,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:34:08,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 12:34:08,098 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-04-14 12:34:08,485 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-04-14 12:34:08,485 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-14 12:34:08,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:08,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-04-14 12:34:08,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 421 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:09,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 504 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:10,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522151149] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:10,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:10,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 34, 34] total 96 [2025-04-14 12:34:10,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017058145] [2025-04-14 12:34:10,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:10,501 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-14 12:34:10,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:10,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-14 12:34:10,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1908, Invalid=7404, Unknown=0, NotChecked=0, Total=9312 [2025-04-14 12:34:10,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:10,507 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:10,508 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 6.144329896907217) internal successors, (596), 96 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:10,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:10,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:10,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:10,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:10,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:10,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 12:34:10,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:11,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:11,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:11,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:11,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:11,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:11,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 12:34:11,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:11,071 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 12:34:11,263 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-04-14 12:34:11,263 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 12:34:11,263 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:11,263 INFO L139 ounterexampleChecker]: Examining path program with hash -124366337, occurence #2 [2025-04-14 12:34:11,263 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:34:11,263 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:34:11,263 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:11,263 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 12:34:11,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:11,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 12:34:11,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:11,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 12:34:11,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:11,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 12:34:11,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:11,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-04-14 12:34:11,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:11,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-14 12:34:11,284 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:11,284 INFO L85 PathProgramCache]: Analyzing trace with hash -669908114, now seen corresponding path program 1 times [2025-04-14 12:34:11,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:34:11,284 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934636536] [2025-04-14 12:34:11,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:11,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:11,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-04-14 12:34:11,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-04-14 12:34:11,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:11,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:34:11,701 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:34:11,701 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:34:11,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-14 12:34:11,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:11,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-04-14 12:34:11,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:11,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-04-14 12:34:11,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:11,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-04-14 12:34:11,702 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:11,702 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:34:11,702 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:11,702 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:11,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1710126369, now seen corresponding path program 6 times [2025-04-14 12:34:11,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:11,703 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839432614] [2025-04-14 12:34:11,703 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:34:11,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:11,723 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 214 statements into 12 equivalence classes. [2025-04-14 12:34:12,096 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 214 of 214 statements. [2025-04-14 12:34:12,096 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-14 12:34:12,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2025-04-14 12:34:13,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:13,068 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839432614] [2025-04-14 12:34:13,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839432614] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:34:13,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:34:13,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 12:34:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629033735] [2025-04-14 12:34:13,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:34:13,069 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 12:34:13,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:13,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 12:34:13,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 12:34:13,070 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:13,070 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:13,070 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:13,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:13,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:13,371 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2025-04-14 12:34:13,371 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 12:34:13,371 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:13,372 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #1 [2025-04-14 12:34:13,372 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:34:13,372 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:13,372 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash 169618148, now seen corresponding path program 7 times [2025-04-14 12:34:13,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:13,372 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711466479] [2025-04-14 12:34:13,372 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:34:13,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:13,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-14 12:34:13,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-14 12:34:13,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:13,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 543 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:16,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:16,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711466479] [2025-04-14 12:34:16,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711466479] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:16,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128119078] [2025-04-14 12:34:16,515 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:34:16,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:16,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:16,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:34:16,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 12:34:16,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-14 12:34:16,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-14 12:34:16,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:16,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:16,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-14 12:34:16,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 433 proven. 337 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-14 12:34:18,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 517 proven. 253 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-14 12:34:21,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128119078] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:21,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:21,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 47, 47] total 166 [2025-04-14 12:34:21,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082903912] [2025-04-14 12:34:21,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:21,198 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2025-04-14 12:34:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:21,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2025-04-14 12:34:21,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4197, Invalid=23525, Unknown=0, NotChecked=0, Total=27722 [2025-04-14 12:34:21,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:21,204 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:21,205 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 4.11377245508982) internal successors, (687), 166 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:21,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:22,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:22,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 12:34:22,691 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-04-14 12:34:22,691 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 12:34:22,691 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:22,691 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #2 [2025-04-14 12:34:22,691 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:34:22,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:34:22,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:22,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 12:34:22,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:22,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 12:34:22,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:22,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 12:34:22,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:22,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 12:34:22,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:22,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2025-04-14 12:34:22,692 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:22,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-04-14 12:34:22,704 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:22,704 INFO L85 PathProgramCache]: Analyzing trace with hash 165669734, now seen corresponding path program 1 times [2025-04-14 12:34:22,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:34:22,704 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646028247] [2025-04-14 12:34:22,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:22,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:22,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-04-14 12:34:23,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-04-14 12:34:23,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:23,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:34:23,057 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:34:23,057 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:34:23,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-14 12:34:23,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:23,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-14 12:34:23,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:23,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-14 12:34:23,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:23,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-14 12:34:23,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:23,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-14 12:34:23,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:23,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-04-14 12:34:23,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:23,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-04-14 12:34:23,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:23,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-14 12:34:23,058 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:23,058 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:34:23,058 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:23,058 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:23,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1645628356, now seen corresponding path program 8 times [2025-04-14 12:34:23,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:23,058 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523770760] [2025-04-14 12:34:23,058 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:34:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:23,082 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-04-14 12:34:23,128 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-04-14 12:34:23,128 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:34:23,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:25,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:25,127 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523770760] [2025-04-14 12:34:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523770760] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:25,127 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543531799] [2025-04-14 12:34:25,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:34:25,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:25,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:25,129 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:34:25,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 12:34:25,249 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-04-14 12:34:25,347 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-04-14 12:34:25,348 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:34:25,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:25,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-04-14 12:34:25,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 525 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:26,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:28,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543531799] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:28,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:28,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 52] total 131 [2025-04-14 12:34:28,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953953267] [2025-04-14 12:34:28,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:28,286 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-04-14 12:34:28,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:28,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-04-14 12:34:28,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4013, Invalid=13279, Unknown=0, NotChecked=0, Total=17292 [2025-04-14 12:34:28,292 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:28,292 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:28,292 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.4772727272727275) internal successors, (591), 131 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:28,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:28,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:28,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:28,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:28,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:28,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:28,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:28,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:28,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:28,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:28,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:28,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:34:28,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 12:34:29,144 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:29,145 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 12:34:29,145 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:29,145 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #3 [2025-04-14 12:34:29,145 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:34:29,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:34:29,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 12:34:29,145 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:29,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 12:34:29,145 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:29,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 12:34:29,146 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:29,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 12:34:29,146 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:29,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 12:34:29,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-04-14 12:34:29,161 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:29,161 INFO L85 PathProgramCache]: Analyzing trace with hash 317598352, now seen corresponding path program 1 times [2025-04-14 12:34:29,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:34:29,161 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528646893] [2025-04-14 12:34:29,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:29,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:29,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-04-14 12:34:29,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-04-14 12:34:29,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:29,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:34:29,499 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:34:29,499 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:34:29,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-04-14 12:34:29,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-04-14 12:34:29,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-04-14 12:34:29,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-04-14 12:34:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-04-14 12:34:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-04-14 12:34:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-04-14 12:34:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-04-14 12:34:29,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:29,501 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:34:29,501 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:29,502 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:29,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1088268843, now seen corresponding path program 9 times [2025-04-14 12:34:29,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:29,502 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124476419] [2025-04-14 12:34:29,502 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:34:29,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:29,524 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-04-14 12:34:29,905 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-04-14 12:34:29,905 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 12:34:29,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:30,895 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 129 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-04-14 12:34:30,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:30,895 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124476419] [2025-04-14 12:34:30,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124476419] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:30,895 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682842166] [2025-04-14 12:34:30,895 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:34:30,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:30,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:30,897 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:34:30,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 12:34:31,043 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-04-14 12:34:31,405 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-04-14 12:34:31,405 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 12:34:31,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:31,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-04-14 12:34:31,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 517 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-14 12:34:32,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-04-14 12:34:32,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682842166] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:32,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:32,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 52, 9] total 62 [2025-04-14 12:34:32,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5498006] [2025-04-14 12:34:32,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:32,542 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-14 12:34:32,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:32,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-14 12:34:32,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=3196, Unknown=0, NotChecked=0, Total=3782 [2025-04-14 12:34:32,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:32,544 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:32,544 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.112903225806452) internal successors, (379), 62 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:34:32,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:35,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:34:35,388 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:35,398 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 12:34:35,588 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-04-14 12:34:35,588 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 12:34:35,588 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:35,589 INFO L139 ounterexampleChecker]: Examining path program with hash -1966359580, occurence #1 [2025-04-14 12:34:35,589 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:34:35,591 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:35,592 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:35,592 INFO L85 PathProgramCache]: Analyzing trace with hash -80474864, now seen corresponding path program 10 times [2025-04-14 12:34:35,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:35,592 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649306723] [2025-04-14 12:34:35,592 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:34:35,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:35,638 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-04-14 12:34:35,657 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-04-14 12:34:35,657 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:34:35,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 405 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2025-04-14 12:34:36,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:36,642 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649306723] [2025-04-14 12:34:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649306723] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:36,642 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125391975] [2025-04-14 12:34:36,642 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:34:36,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:36,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:36,644 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:34:36,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 12:34:36,811 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-04-14 12:34:36,865 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-04-14 12:34:36,865 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:34:36,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:36,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-04-14 12:34:36,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 1512 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-14 12:34:38,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 78 proven. 293 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2025-04-14 12:34:39,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125391975] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:39,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:39,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 83, 12] total 95 [2025-04-14 12:34:39,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008644234] [2025-04-14 12:34:39,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:39,237 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-04-14 12:34:39,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:39,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-04-14 12:34:39,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=973, Invalid=7957, Unknown=0, NotChecked=0, Total=8930 [2025-04-14 12:34:39,241 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:39,241 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:39,241 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.3052631578947365) internal successors, (504), 95 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:34:39,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:39,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:39,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:39,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:46,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:34:46,306 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 12:34:46,500 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:46,500 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 12:34:46,500 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:46,500 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #4 [2025-04-14 12:34:46,500 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:34:46,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:34:46,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:46,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 12:34:46,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:46,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 12:34:46,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:46,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 12:34:46,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:46,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 12:34:46,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:46,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2025-04-14 12:34:46,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:46,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2025-04-14 12:34:46,513 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:46,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1271052199, now seen corresponding path program 1 times [2025-04-14 12:34:46,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:34:46,513 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784702808] [2025-04-14 12:34:46,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:46,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-14 12:34:46,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-14 12:34:46,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:46,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3662 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:57,778 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:34:57,778 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784702808] [2025-04-14 12:34:57,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784702808] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:57,778 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [235826215] [2025-04-14 12:34:57,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:57,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:57,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-14 12:34:57,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-14 12:34:57,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:57,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:57,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-14 12:34:57,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:35:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3435 proven. 605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:35:11,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [235826215] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:35:11,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:35:11,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 134] total 268 [2025-04-14 12:35:11,254 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:35:11,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-14 12:35:11,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-14 12:35:11,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:11,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2025-04-14 12:35:11,256 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:35:11,256 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:35:11,256 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:35:11,256 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:35:11,256 INFO L85 PathProgramCache]: Analyzing trace with hash -330040652, now seen corresponding path program 11 times [2025-04-14 12:35:11,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:35:11,256 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068478667] [2025-04-14 12:35:11,256 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:35:11,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:35:11,288 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-04-14 12:35:12,715 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-04-14 12:35:12,716 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-04-14 12:35:12,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:35:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3680 proven. 378 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-14 12:35:18,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:35:18,595 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068478667] [2025-04-14 12:35:18,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068478667] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:35:18,595 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318004675] [2025-04-14 12:35:18,596 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:35:18,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:35:18,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:35:18,598 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 12:35:18,599 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 12:35:18,782 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-04-14 12:36:15,797 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-04-14 12:36:15,797 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-04-14 12:36:15,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:15,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 89 conjuncts are in the unsatisfiable core [2025-04-14 12:36:15,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:36:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3453 proven. 605 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-14 12:36:20,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:36:23,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3680 proven. 378 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-14 12:36:23,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318004675] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:36:23,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:36:23,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86, 86] total 229 [2025-04-14 12:36:23,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307697887] [2025-04-14 12:36:23,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:36:23,330 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2025-04-14 12:36:23,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:36:23,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2025-04-14 12:36:23,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13805, Invalid=38865, Unknown=0, NotChecked=0, Total=52670 [2025-04-14 12:36:23,340 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:23,340 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:36:23,341 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 5.439130434782609) internal successors, (1251), 229 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:36:23,341 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:23,341 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:36:23,341 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:36:23,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:24,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:36:24,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:36:24,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 12:36:24,447 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33 [2025-04-14 12:36:24,448 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 12:36:24,448 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:36:24,448 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #5 [2025-04-14 12:36:24,448 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:36:24,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:36:24,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:24,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-14 12:36:24,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:24,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 12:36:24,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:24,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 12:36:24,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:24,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 12:36:24,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:24,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-04-14 12:36:24,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:24,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-14 12:36:24,458 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:36:24,458 INFO L85 PathProgramCache]: Analyzing trace with hash -535222653, now seen corresponding path program 1 times [2025-04-14 12:36:24,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:36:24,458 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681144468] [2025-04-14 12:36:24,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:36:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:36:24,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-14 12:36:24,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-14 12:36:24,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:36:24,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5258 backedges. 3662 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:36:32,827 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:36:32,827 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681144468] [2025-04-14 12:36:32,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681144468] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:36:32,827 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [321767847] [2025-04-14 12:36:32,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:36:32,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:36:32,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-14 12:36:33,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-14 12:36:33,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:36:33,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:33,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 117 conjuncts are in the unsatisfiable core [2025-04-14 12:36:33,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:36:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5258 backedges. 3435 proven. 1823 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:36:41,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [321767847] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:36:41,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:36:41,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 113] total 226 [2025-04-14 12:36:41,304 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2025-04-14 12:36:41,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-04-14 12:36:41,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-14 12:36:41,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:41,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-04-14 12:36:41,305 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:41,305 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:36:41,305 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:36:41,305 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:36:41,305 INFO L85 PathProgramCache]: Analyzing trace with hash 228918221, now seen corresponding path program 12 times [2025-04-14 12:36:41,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:36:41,305 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208126045] [2025-04-14 12:36:41,305 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:36:41,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:36:41,342 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-04-14 12:36:45,466 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-04-14 12:36:45,466 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-04-14 12:36:45,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 162 proven. 497 refuted. 0 times theorem prover too weak. 4779 trivial. 0 not checked. [2025-04-14 12:36:51,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:36:51,240 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208126045] [2025-04-14 12:36:51,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208126045] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:36:51,240 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299905228] [2025-04-14 12:36:51,240 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:36:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:36:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:36:51,242 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 12:36:51,244 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 12:36:51,467 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-04-14 12:38:35,969 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-04-14 12:38:35,970 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-04-14 12:38:35,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:38:36,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 2487 conjuncts, 119 conjuncts are in the unsatisfiable core [2025-04-14 12:38:36,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:38:40,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3453 proven. 1823 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-14 12:38:40,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:38:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3662 proven. 1614 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-14 12:38:47,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299905228] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:38:47,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:38:47,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 116, 116] total 244 [2025-04-14 12:38:47,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750607056] [2025-04-14 12:38:47,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:38:47,176 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 244 states [2025-04-14 12:38:47,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:38:47,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2025-04-14 12:38:47,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13718, Invalid=45574, Unknown=0, NotChecked=0, Total=59292 [2025-04-14 12:38:47,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:38:47,183 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:38:47,184 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 244 states, 244 states have (on average 4.840163934426229) internal successors, (1181), 244 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:38:47,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:38:50,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-14 12:38:50,801 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 12:38:50,906 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,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-04-14 12:38:50,906 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 12:38:50,906 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:38:50,907 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #6 [2025-04-14 12:38:50,907 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:38:50,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:38:50,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:38:50,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 12:38:50,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:38:50,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 12:38:50,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:38:50,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 12:38:50,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:38:50,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 12:38:50,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:38:50,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-04-14 12:38:50,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:38:50,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-14 12:38:50,918 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:38:50,918 INFO L85 PathProgramCache]: Analyzing trace with hash 560395414, now seen corresponding path program 1 times [2025-04-14 12:38:50,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:38:50,918 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901722667] [2025-04-14 12:38:50,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:38:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:38:50,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 524 statements into 1 equivalence classes. [2025-04-14 12:38:51,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 524 of 524 statements. [2025-04-14 12:38:51,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:38:51,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:38:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3808 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:38:59,536 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:38:59,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901722667] [2025-04-14 12:38:59,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901722667] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:38:59,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1827435] [2025-04-14 12:38:59,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:38:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:38:59,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 524 statements into 1 equivalence classes. [2025-04-14 12:38:59,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 524 of 524 statements. [2025-04-14 12:38:59,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:38:59,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:38:59,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 2355 conjuncts, 123 conjuncts are in the unsatisfiable core [2025-04-14 12:38:59,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:39:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3581 proven. 1938 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:39:09,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1827435] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:39:09,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:39:09,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 119] total 238 [2025-04-14 12:39:09,195 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:39:09,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-04-14 12:39:09,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2025-04-14 12:39:09,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-04-14 12:39:09,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-04-14 12:39:09,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-14 12:39:09,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-04-14 12:39:09,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-04-14 12:39:09,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-04-14 12:39:09,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-04-14 12:39:09,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-14 12:39:09,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-04-14 12:39:09,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2025-04-14 12:39:09,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:09,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-04-14 12:39:09,196 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:09,196 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:39:09,196 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:39:09,196 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:39:09,196 INFO L85 PathProgramCache]: Analyzing trace with hash 611814747, now seen corresponding path program 13 times [2025-04-14 12:39:09,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:39:09,196 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375126702] [2025-04-14 12:39:09,197 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:39:09,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:39:09,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 586 statements into 1 equivalence classes. [2025-04-14 12:39:09,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 586 of 586 statements. [2025-04-14 12:39:09,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:39:09,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:39:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3970 proven. 1735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:39:27,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:39:27,213 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375126702] [2025-04-14 12:39:27,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375126702] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:39:27,213 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087043179] [2025-04-14 12:39:27,213 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:39:27,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:39:27,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:39:27,215 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 12:39:27,216 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 12:39:27,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 586 statements into 1 equivalence classes. [2025-04-14 12:39:27,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 586 of 586 statements. [2025-04-14 12:39:27,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:39:27,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:39:27,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-04-14 12:39:27,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:39:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3605 proven. 1938 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-14 12:39:39,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:39:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3832 proven. 1711 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-14 12:39:54,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087043179] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:39:54,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:39:54,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 121, 121] total 425 [2025-04-14 12:39:54,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193707209] [2025-04-14 12:39:54,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:39:54,073 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 426 states [2025-04-14 12:39:54,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:39:54,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 426 interpolants. [2025-04-14 12:39:54,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27295, Invalid=153755, Unknown=0, NotChecked=0, Total=181050 [2025-04-14 12:39:54,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:54,089 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:39:54,090 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 426 states, 426 states have (on average 3.884976525821596) internal successors, (1655), 425 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:39:54,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:54,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:39:54,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:39:54,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-14 12:39:54,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-14 12:39:59,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:39:59,524 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 12:39:59,714 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,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-14 12:39:59,714 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 12:39:59,714 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:39:59,714 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #7 [2025-04-14 12:39:59,715 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:39:59,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:39:59,715 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:59,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 12:39:59,715 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:59,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 12:39:59,715 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:59,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 12:39:59,715 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:59,716 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 12:39:59,716 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:59,716 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-04-14 12:39:59,716 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:59,716 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2025-04-14 12:39:59,728 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:39:59,729 INFO L85 PathProgramCache]: Analyzing trace with hash -990409127, now seen corresponding path program 1 times [2025-04-14 12:39:59,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:39:59,729 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055486444] [2025-04-14 12:39:59,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:39:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:39:59,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 528 statements into 1 equivalence classes. [2025-04-14 12:40:02,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 528 of 528 statements. [2025-04-14 12:40:02,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:40:02,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:40:02,470 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:40:02,470 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:40:02,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-04-14 12:40:02,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-04-14 12:40:02,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2025-04-14 12:40:02,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:02,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2025-04-14 12:40:02,471 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:02,471 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:40:02,471 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:40:02,472 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:40:02,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1572181787, now seen corresponding path program 14 times [2025-04-14 12:40:02,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:40:02,472 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839116143] [2025-04-14 12:40:02,472 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:40:02,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:40:02,513 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 590 statements into 2 equivalence classes. [2025-04-14 12:40:02,715 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 590 of 590 statements. [2025-04-14 12:40:02,715 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:40:02,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:40:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3994 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:14,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:40:14,005 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839116143] [2025-04-14 12:40:14,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839116143] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:40:14,006 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405662731] [2025-04-14 12:40:14,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:40:14,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:40:14,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:40:14,008 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 12:40:14,009 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 12:40:14,292 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 590 statements into 2 equivalence classes. [2025-04-14 12:40:14,512 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 590 of 590 statements. [2025-04-14 12:40:14,513 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:40:14,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:40:14,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-04-14 12:40:14,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:40:25,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3931 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:25,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:40:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3994 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:34,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405662731] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:40:34,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:40:34,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 127, 127] total 318 [2025-04-14 12:40:34,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397576575] [2025-04-14 12:40:34,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:40:34,446 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2025-04-14 12:40:34,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:40:34,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2025-04-14 12:40:34,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22685, Invalid=78757, Unknown=0, NotChecked=0, Total=101442 [2025-04-14 12:40:34,454 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:34,454 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:40:34,455 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 5.040752351097178) internal successors, (1608), 318 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:40:34,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-14 12:40:39,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:40:39,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-14 12:40:39,136 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 12:40:39,321 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 [2025-04-14 12:40:39,322 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 12:40:39,322 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:40:39,323 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #8 [2025-04-14 12:40:39,323 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:40:39,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:40:39,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:39,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 12:40:39,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:39,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 12:40:39,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:39,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 12:40:39,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:39,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 12:40:39,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:39,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 431 [2025-04-14 12:40:39,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:39,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2025-04-14 12:40:39,333 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:40:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1692154052, now seen corresponding path program 1 times [2025-04-14 12:40:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:40:39,333 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27148331] [2025-04-14 12:40:39,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:40:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:40:39,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 530 statements into 1 equivalence classes. [2025-04-14 12:40:42,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 530 of 530 statements. [2025-04-14 12:40:42,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:40:42,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:40:42,420 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:40:42,420 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:40:42,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-04-14 12:40:42,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 545 [2025-04-14 12:40:42,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-04-14 12:40:42,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-04-14 12:40:42,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-04-14 12:40:42,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2025-04-14 12:40:42,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-04-14 12:40:42,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-04-14 12:40:42,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 574 [2025-04-14 12:40:42,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2025-04-14 12:40:42,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2025-04-14 12:40:42,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2025-04-14 12:40:42,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:42,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2025-04-14 12:40:42,421 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:42,421 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:40:42,421 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:40:42,422 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:40:42,422 INFO L85 PathProgramCache]: Analyzing trace with hash -245135365, now seen corresponding path program 15 times [2025-04-14 12:40:42,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:40:42,422 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587316453] [2025-04-14 12:40:42,422 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:40:42,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:40:42,468 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 592 statements into 33 equivalence classes. [2025-04-14 12:40:46,157 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) and asserted 570 of 592 statements. [2025-04-14 12:40:46,157 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2025-04-14 12:40:46,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:40:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 162 proven. 649 refuted. 0 times theorem prover too weak. 5263 trivial. 0 not checked. [2025-04-14 12:40:52,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:40:52,405 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587316453] [2025-04-14 12:40:52,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587316453] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:40:52,405 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860265387] [2025-04-14 12:40:52,405 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:40:52,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:40:52,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:40:52,408 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 12:40:52,409 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 12:40:52,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 592 statements into 33 equivalence classes. [2025-04-14 12:41:05,304 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) and asserted 570 of 592 statements. [2025-04-14 12:41:05,305 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2025-04-14 12:41:05,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:41:05,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 126 conjuncts are in the unsatisfiable core [2025-04-14 12:41:05,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:41:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 162 proven. 3832 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2025-04-14 12:41:08,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:41:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 136 proven. 675 refuted. 0 times theorem prover too weak. 5263 trivial. 0 not checked. [2025-04-14 12:41:09,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860265387] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:41:09,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:41:09,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 127, 15] total 141 [2025-04-14 12:41:09,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52618501] [2025-04-14 12:41:09,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:41:09,288 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2025-04-14 12:41:09,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:41:09,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2025-04-14 12:41:09,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1950, Invalid=17790, Unknown=0, NotChecked=0, Total=19740 [2025-04-14 12:41:09,290 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:41:09,291 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:41:09,291 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 5.191489361702128) internal successors, (732), 141 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-14 12:41:09,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:41:22,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-14 12:41:22,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-04-14 12:41:22,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-04-14 12:41:23,167 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:41:23,167 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 12:41:23,167 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:41:23,168 INFO L139 ounterexampleChecker]: Examining path program with hash -1966359580, occurence #2 [2025-04-14 12:41:23,168 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:41:23,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:41:23,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:41:23,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 12:41:23,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:41:23,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 12:41:23,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:41:23,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 12:41:23,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:41:23,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 12:41:23,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:41:23,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-04-14 12:41:23,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:41:23,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 701 [2025-04-14 12:41:23,179 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:41:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1204152198, now seen corresponding path program 1 times [2025-04-14 12:41:23,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:41:23,180 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100244726] [2025-04-14 12:41:23,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:41:23,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:41:23,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 702 statements into 1 equivalence classes. [2025-04-14 12:41:23,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 702 of 702 statements. [2025-04-14 12:41:23,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:41:23,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:41:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 10718 backedges. 8638 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:41:51,346 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:41:51,346 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100244726] [2025-04-14 12:41:51,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100244726] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:41:51,346 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1222348572] [2025-04-14 12:41:51,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:41:51,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:41:51,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 702 statements into 1 equivalence classes. [2025-04-14 12:41:51,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 702 of 702 statements. [2025-04-14 12:41:51,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:41:51,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:41:51,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 3054 conjuncts, 224 conjuncts are in the unsatisfiable core [2025-04-14 12:41:51,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10718 backedges. 8286 proven. 2432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:42:25,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1222348572] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:25,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:25,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [220, 220] total 440 [2025-04-14 12:42:25,383 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:25,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 710 [2025-04-14 12:42:25,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2025-04-14 12:42:25,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 724 [2025-04-14 12:42:25,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 728 [2025-04-14 12:42:25,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 740 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 744 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 748 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 752 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 756 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 760 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 764 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 766 [2025-04-14 12:42:25,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:25,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 768 [2025-04-14 12:42:25,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:25,384 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:25,384 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:25,385 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:25,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1590144698, now seen corresponding path program 16 times [2025-04-14 12:42:25,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:25,385 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878697895] [2025-04-14 12:42:25,385 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:42:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:25,447 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 772 statements into 2 equivalence classes. [2025-04-14 12:42:25,550 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 365 of 772 statements. [2025-04-14 12:42:25,550 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:42:25,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 242 proven. 1092 refuted. 0 times theorem prover too weak. 9647 trivial. 0 not checked. [2025-04-14 12:42:29,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:29,739 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878697895] [2025-04-14 12:42:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878697895] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:29,739 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255701030] [2025-04-14 12:42:29,739 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:42:29,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:29,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:29,741 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 12:42:29,742 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 12:42:30,087 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 772 statements into 2 equivalence classes. [2025-04-14 12:42:30,194 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 365 of 772 statements. [2025-04-14 12:42:30,195 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:42:30,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:30,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 171 conjuncts are in the unsatisfiable core [2025-04-14 12:42:30,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 242 proven. 8659 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2025-04-14 12:42:35,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 210 proven. 783 refuted. 0 times theorem prover too weak. 9988 trivial. 0 not checked. [2025-04-14 12:42:36,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255701030] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:36,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:36,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 172, 16] total 189 [2025-04-14 12:42:36,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607030570] [2025-04-14 12:42:36,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:36,609 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2025-04-14 12:42:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:36,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2025-04-14 12:42:36,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2706, Invalid=32826, Unknown=0, NotChecked=0, Total=35532 [2025-04-14 12:42:36,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:36,611 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:36,612 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 4.841269841269841) internal successors, (915), 189 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-04-14 12:42:36,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-04-14 12:43:00,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-04-14 12:43:00,094 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 12:43:00,285 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:43:00,285 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 12:43:00,285 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:00,286 INFO L139 ounterexampleChecker]: Examining path program with hash -2052947168, occurence #9 [2025-04-14 12:43:00,286 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:43:00,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:43:00,286 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:00,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 12:43:00,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:00,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 12:43:00,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:00,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 12:43:00,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:00,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 12:43:00,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:00,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-14 12:43:00,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:00,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 917 [2025-04-14 12:43:00,296 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:00,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1820216973, now seen corresponding path program 1 times [2025-04-14 12:43:00,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:00,297 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811762072] [2025-04-14 12:43:00,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:00,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:00,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 918 statements into 1 equivalence classes. [2025-04-14 12:43:00,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 918 of 918 statements. [2025-04-14 12:43:00,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:00,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 17439 backedges. 15359 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:43:47,443 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:47,443 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811762072] [2025-04-14 12:43:47,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811762072] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:47,443 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1450431513] [2025-04-14 12:43:47,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:47,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:47,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 918 statements into 1 equivalence classes. [2025-04-14 12:43:47,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 918 of 918 statements. [2025-04-14 12:43:47,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:47,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:47,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 3864 conjuncts, 278 conjuncts are in the unsatisfiable core [2025-04-14 12:43:47,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 17439 backedges. 14890 proven. 2549 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:44:34,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1450431513] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:34,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:34,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [274, 274] total 548 [2025-04-14 12:44:34,543 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:34,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 926 [2025-04-14 12:44:34,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 933 [2025-04-14 12:44:34,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 938 [2025-04-14 12:44:34,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 942 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 946 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 950 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 954 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 958 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 962 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 966 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 970 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 974 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 978 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 982 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 986 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 990 [2025-04-14 12:44:34,544 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 992 [2025-04-14 12:44:34,545 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:34,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 994 [2025-04-14 12:44:34,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:44:34,545 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:44:34,545 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:44:34,545 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:34,545 INFO L85 PathProgramCache]: Analyzing trace with hash 215129689, now seen corresponding path program 17 times [2025-04-14 12:44:34,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:44:34,546 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085839952] [2025-04-14 12:44:34,546 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:44:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:34,614 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1000 statements into 44 equivalence classes. [2025-04-14 12:44:42,138 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) and asserted 1000 of 1000 statements. [2025-04-14 12:44:42,139 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) [2025-04-14 12:44:42,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 17864 backedges. 15392 proven. 2080 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-14 12:45:05,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:45:05,713 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085839952] [2025-04-14 12:45:05,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085839952] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:05,713 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035972224] [2025-04-14 12:45:05,713 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:45:05,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:45:05,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:45:05,715 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 12:45:05,718 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 12:45:06,109 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1000 statements into 44 equivalence classes. Received shutdown request... [2025-04-14 12:47:30,312 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 12:47:30,336 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 12:47:30,336 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:47:31,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 12:47:31,346 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 12:47:31,538 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forcibly destroying the process [2025-04-14 12:47:31,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 137 [2025-04-14 12:47:31,579 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 12:47:31,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:47:31,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2025-04-14 12:47:31,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440970878] [2025-04-14 12:47:31,579 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 12:47:31,580 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2025-04-14 12:47:31,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:31,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2025-04-14 12:47:31,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8538, Invalid=22968, Unknown=0, NotChecked=0, Total=31506 [2025-04-14 12:47:31,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:31,586 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:31,587 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 5.275280898876405) internal successors, (939), 177 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-14 12:47:31,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-14 12:47:31,588 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-04-14 12:47:31,588 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-04-14 12:47:31,588 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:31,588 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-04-14 12:47:31,589 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 12:47:31,593 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-14 12:47:31,593 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-14 12:47:31,593 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-14 12:47:31,593 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-14 12:47:31,593 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-14 12:47:31,609 INFO L422 BasicCegarLoop]: Path program histogram: [17, 1, 1] [2025-04-14 12:47:31,622 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 12:47:31,623 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 12:47:31,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:47:31 BasicIcfg [2025-04-14 12:47:31,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 12:47:31,631 INFO L158 Benchmark]: Toolchain (without parser) took 819611.40ms. Allocated memory was 155.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 108.3MB in the beginning and 642.8MB in the end (delta: -534.5MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2025-04-14 12:47:31,631 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 155.2MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 12:47:31,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.48ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 91.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-14 12:47:31,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 89.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 12:47:31,632 INFO L158 Benchmark]: Boogie Preprocessor took 40.50ms. Allocated memory is still 155.2MB. Free memory was 89.5MB in the beginning and 87.7MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:47:31,632 INFO L158 Benchmark]: RCFGBuilder took 801.32ms. Allocated memory is still 155.2MB. Free memory was 87.7MB in the beginning and 90.0MB in the end (delta: -2.3MB). Peak memory consumption was 70.0MB. Max. memory is 8.0GB. [2025-04-14 12:47:31,632 INFO L158 Benchmark]: TraceAbstraction took 818507.46ms. Allocated memory was 155.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 90.0MB in the beginning and 642.8MB in the end (delta: -552.9MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2025-04-14 12:47:31,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 155.2MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 216.48ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 91.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 89.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 40.50ms. Allocated memory is still 155.2MB. Free memory was 89.5MB in the beginning and 87.7MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 801.32ms. Allocated memory is still 155.2MB. Free memory was 87.7MB in the beginning and 90.0MB in the end (delta: -2.3MB). Peak memory consumption was 70.0MB. Max. memory is 8.0GB. * TraceAbstraction took 818507.46ms. Allocated memory was 155.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 90.0MB in the beginning and 642.8MB in the end (delta: -552.9MB). Peak memory consumption was 1.8GB. 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: 86280, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 22249, dependent conditional: 22235, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64827, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 796, dependent conditional: 782, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 64827, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 796, dependent conditional: 782, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66632, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 2601, dependent conditional: 2587, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66632, independent: 64031, independent conditional: 0, independent unconditional: 64031, dependent: 2601, dependent conditional: 941, dependent unconditional: 1660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66632, independent: 64031, independent conditional: 0, independent unconditional: 64031, dependent: 2601, dependent conditional: 941, dependent unconditional: 1660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1650, independent: 1587, independent conditional: 0, independent unconditional: 1587, dependent: 63, dependent conditional: 49, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1650, independent: 1583, independent conditional: 0, independent unconditional: 1583, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 67, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 63, dependent conditional: 49, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 67, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 63, dependent conditional: 49, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 870, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 795, dependent conditional: 414, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 19, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 66632, independent: 62444, independent conditional: 0, independent unconditional: 62444, dependent: 2538, dependent conditional: 892, dependent unconditional: 1646, unknown: 1650, unknown conditional: 49, unknown unconditional: 1601] , Statistics on independence cache: Total cache size (in pairs): 1669, Positive cache size: 1606, Positive conditional cache size: 19, Positive unconditional cache size: 1587, Negative cache size: 63, Negative conditional cache size: 49, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63747, Maximal queried relation: 7, Independence queries for same thread: 21453, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 515, Number of trivial persistent sets: 296, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1944, independent: 1930, independent conditional: 0, independent unconditional: 1930, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 86280, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 22249, dependent conditional: 22235, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64827, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 796, dependent conditional: 782, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 64827, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 796, dependent conditional: 782, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66632, independent: 64031, independent conditional: 62101, independent unconditional: 1930, dependent: 2601, dependent conditional: 2587, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66632, independent: 64031, independent conditional: 0, independent unconditional: 64031, dependent: 2601, dependent conditional: 941, dependent unconditional: 1660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66632, independent: 64031, independent conditional: 0, independent unconditional: 64031, dependent: 2601, dependent conditional: 941, dependent unconditional: 1660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1650, independent: 1587, independent conditional: 0, independent unconditional: 1587, dependent: 63, dependent conditional: 49, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1650, independent: 1583, independent conditional: 0, independent unconditional: 1583, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 67, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 63, dependent conditional: 49, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 67, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 63, dependent conditional: 49, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 870, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 795, dependent conditional: 414, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 19, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 66632, independent: 62444, independent conditional: 0, independent unconditional: 62444, dependent: 2538, dependent conditional: 892, dependent unconditional: 1646, unknown: 1650, unknown conditional: 49, unknown unconditional: 1601] , Statistics on independence cache: Total cache size (in pairs): 1669, Positive cache size: 1606, Positive conditional cache size: 19, Positive unconditional cache size: 1587, Negative cache size: 63, Negative conditional cache size: 49, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63747, Maximal queried relation: 7, Independence queries for same thread: 21453 - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 129]: 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, 78 locations, 94 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 818.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 67.6s, 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: 1182, 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: 1.2s SsaConstructionTime, 194.5s SatisfiabilityAnalysisTime, 176.3s InterpolantComputationTime, 12238 NumberOfCodeBlocks, 10816 NumberOfCodeBlocksAsserted, 269 NumberOfCheckSat, 17571 ConstructedInterpolants, 0 QuantifiedInterpolants, 94024 SizeOfPredicates, 139 NumberOfNonLiveVariables, 19953 ConjunctsInSsa, 1096 ConjunctsInUnsatCore, 47 InterpolantComputations, 4 PerfectInterpolantSequences, 110278/149927 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: 0, ConComChecker Statistics: CheckTime [ms]: 227814, ConditionCalculationTime [ms]: 375, ConditionCalculations: 167, QuantifiedConditions: 0, TraceChecks: 19, UnknownTraceChecks: 0, UnsatisfiedConditions: 7, ImperfectProofs: 12 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown