/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-29 22:45:42,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-29 22:45:42,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-29 22:45:42,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-29 22:45:42,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-29 22:45:42,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-29 22:45:42,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-29 22:45:42,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-29 22:45:42,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-29 22:45:42,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-29 22:45:42,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-29 22:45:42,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-29 22:45:42,250 INFO L153 SettingsManager]: * Use SBE=true [2025-01-29 22:45:42,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-29 22:45:42,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-29 22:45:42,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 22:45:42,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-29 22:45:42,252 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-29 22:45:42,254 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-29 22:45:42,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-01-29 22:45:42,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-29 22:45:42,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-29 22:45:42,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-29 22:45:42,467 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-29 22:45:42,468 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-29 22:45:42,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl [2025-01-29 22:45:42,469 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl' [2025-01-29 22:45:42,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-29 22:45:42,487 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-29 22:45:42,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-29 22:45:42,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-29 22:45:42,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-29 22:45:42,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,503 INFO L138 Inliner]: procedures = 9, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-29 22:45:42,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-29 22:45:42,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-29 22:45:42,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-29 22:45:42,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-29 22:45:42,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-29 22:45:42,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-29 22:45:42,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-29 22:45:42,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-29 22:45:42,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/1) ... [2025-01-29 22:45:42,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 22:45:42,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 22:45:42,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-29 22:45:42,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-29 22:45:42,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-29 22:45:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-29 22:45:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-29 22:45:42,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-29 22:45:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-29 22:45:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-29 22:45:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-29 22:45:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-29 22:45:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-29 22:45:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-29 22:45:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-29 22:45:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-29 22:45:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-01-29 22:45:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-29 22:45:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-29 22:45:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2025-01-29 22:45:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-01-29 22:45:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-01-29 22:45:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2025-01-29 22:45:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-01-29 22:45:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-01-29 22:45:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2025-01-29 22:45:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2025-01-29 22:45:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2025-01-29 22:45:42,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2025-01-29 22:45:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2025-01-29 22:45:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2025-01-29 22:45:42,566 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-29 22:45:42,600 INFO L234 CfgBuilder]: Building ICFG [2025-01-29 22:45:42,601 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-29 22:45:42,742 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-29 22:45:42,742 INFO L283 CfgBuilder]: Performing block encoding [2025-01-29 22:45:42,769 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-29 22:45:42,769 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-29 22:45:42,769 INFO L201 PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:45:42 BoogieIcfgContainer [2025-01-29 22:45:42,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-29 22:45:42,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-29 22:45:42,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-29 22:45:42,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-29 22:45:42,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 10:45:42" (1/2) ... [2025-01-29 22:45:42,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3761ed1c and model type ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:45:42, skipping insertion in model container [2025-01-29 22:45:42,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:45:42" (2/2) ... [2025-01-29 22:45:42,779 INFO L128 eAbstractionObserver]: Analyzing ICFG ticket-8.wvr.bpl [2025-01-29 22:45:42,789 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-29 22:45:42,791 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ticket-8.wvr.bpl that has 9 procedures, 71 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-29 22:45:42,791 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-29 22:45:42,856 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2025-01-29 22:45:42,890 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 22:45:42,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-29 22:45:42,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 22:45:42,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-29 22:45:42,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-29 22:45:42,959 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-29 22:45:42,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-29 22:45:42,979 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25554540, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 22:45:42,979 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-01-29 22:45:44,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-29 22:45:44,404 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-29 22:45:44,404 INFO L139 ounterexampleChecker]: Examining path program with hash 1570931596, occurence #1 [2025-01-29 22:45:44,404 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-29 22:45:44,404 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-29 22:45:44,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 22:45:44,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2104885126, now seen corresponding path program 1 times [2025-01-29 22:45:44,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 22:45:44,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5266215] [2025-01-29 22:45:44,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 22:45:44,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 22:45:44,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-29 22:45:44,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-29 22:45:44,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 22:45:44,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 22:45:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 22:45:44,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 22:45:44,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5266215] [2025-01-29 22:45:44,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5266215] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 22:45:44,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 22:45:44,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 22:45:44,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101495267] [2025-01-29 22:45:44,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 22:45:44,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 22:45:44,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 22:45:44,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 22:45:44,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-29 22:45:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:45:44,964 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 22:45:44,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2025-01-29 22:45:44,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:47:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:47:28,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-29 22:47:28,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-29 22:47:28,089 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-29 22:47:28,089 INFO L139 ounterexampleChecker]: Examining path program with hash -429135034, occurence #1 [2025-01-29 22:47:28,089 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-29 22:47:28,089 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-29 22:47:28,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 22:47:28,089 INFO L85 PathProgramCache]: Analyzing trace with hash 684981180, now seen corresponding path program 2 times [2025-01-29 22:47:28,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 22:47:28,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303258902] [2025-01-29 22:47:28,090 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 22:47:28,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 22:47:28,096 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 1 equivalence classes. [2025-01-29 22:47:28,110 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-29 22:47:28,110 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-29 22:47:28,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 22:47:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 22:47:28,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 22:47:28,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303258902] [2025-01-29 22:47:28,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303258902] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 22:47:28,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 22:47:28,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 22:47:28,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64112863] [2025-01-29 22:47:28,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 22:47:28,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 22:47:28,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 22:47:28,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 22:47:28,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-29 22:47:28,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:47:28,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 22:47:28,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2025-01-29 22:47:28,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:47:28,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:48:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:48:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:48:21,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-29 22:48:21,175 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-29 22:48:21,175 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-29 22:48:21,175 INFO L139 ounterexampleChecker]: Examining path program with hash 607834160, occurence #1 [2025-01-29 22:48:21,175 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-29 22:48:21,175 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-29 22:48:21,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 22:48:21,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1359980826, now seen corresponding path program 3 times [2025-01-29 22:48:21,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 22:48:21,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860503403] [2025-01-29 22:48:21,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 22:48:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 22:48:21,180 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 60 statements into 1 equivalence classes. [2025-01-29 22:48:21,188 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-29 22:48:21,188 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-29 22:48:21,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 22:48:21,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 22:48:21,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 22:48:21,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860503403] [2025-01-29 22:48:21,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860503403] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 22:48:21,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 22:48:21,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-29 22:48:21,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011980686] [2025-01-29 22:48:21,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 22:48:21,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-29 22:48:21,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 22:48:21,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-29 22:48:21,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-29 22:48:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:48:21,255 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 22:48:21,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2025-01-29 22:48:21,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:48:21,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:48:21,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:49:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:49:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:49:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:49:21,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-29 22:49:21,344 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-29 22:49:21,344 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-29 22:49:21,344 INFO L139 ounterexampleChecker]: Examining path program with hash -376849123, occurence #1 [2025-01-29 22:49:21,345 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-29 22:49:21,345 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-29 22:49:21,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 22:49:21,345 INFO L85 PathProgramCache]: Analyzing trace with hash 10975762, now seen corresponding path program 4 times [2025-01-29 22:49:21,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 22:49:21,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423207762] [2025-01-29 22:49:21,345 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 22:49:21,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 22:49:21,349 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 60 statements into 2 equivalence classes. [2025-01-29 22:49:21,357 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-29 22:49:21,357 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 22:49:21,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 22:49:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 22:49:21,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 22:49:21,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423207762] [2025-01-29 22:49:21,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423207762] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 22:49:21,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 22:49:21,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-29 22:49:21,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798699127] [2025-01-29 22:49:21,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 22:49:21,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-29 22:49:21,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 22:49:21,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-29 22:49:21,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-29 22:49:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:49:21,427 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 22:49:21,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 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) [2025-01-29 22:49:21,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:49:21,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:49:21,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:49:21,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:50:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:50:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:50:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:50:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-29 22:50:28,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-29 22:50:28,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-29 22:50:28,827 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-29 22:50:28,827 INFO L139 ounterexampleChecker]: Examining path program with hash -121244680, occurence #1 [2025-01-29 22:50:28,827 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-29 22:50:28,827 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-29 22:50:28,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 22:50:28,827 INFO L85 PathProgramCache]: Analyzing trace with hash -142382940, now seen corresponding path program 5 times [2025-01-29 22:50:28,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 22:50:28,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185644727] [2025-01-29 22:50:28,827 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 22:50:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 22:50:28,832 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 60 statements into 1 equivalence classes. [2025-01-29 22:50:28,839 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-29 22:50:28,839 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-29 22:50:28,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 22:50:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 22:50:28,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 22:50:28,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185644727] [2025-01-29 22:50:28,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185644727] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 22:50:28,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 22:50:28,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-29 22:50:28,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540783907] [2025-01-29 22:50:28,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 22:50:28,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-29 22:50:28,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 22:50:28,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-29 22:50:28,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-29 22:50:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:50:28,896 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 22:50:28,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 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) [2025-01-29 22:50:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:50:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:50:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:50:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-29 22:50:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:51:41,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:51:41,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:51:41,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:51:41,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-29 22:51:41,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 22:51:41,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-29 22:51:41,461 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-29 22:51:41,461 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-29 22:51:41,461 INFO L139 ounterexampleChecker]: Examining path program with hash 520610516, occurence #1 [2025-01-29 22:51:41,461 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-29 22:51:41,461 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-29 22:51:41,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 22:51:41,461 INFO L85 PathProgramCache]: Analyzing trace with hash 189517520, now seen corresponding path program 6 times [2025-01-29 22:51:41,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 22:51:41,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921803443] [2025-01-29 22:51:41,461 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 22:51:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 22:51:41,465 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 60 statements into 1 equivalence classes. [2025-01-29 22:51:41,468 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-29 22:51:41,468 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-29 22:51:41,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 22:51:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 22:51:41,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 22:51:41,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921803443] [2025-01-29 22:51:41,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921803443] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 22:51:41,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 22:51:41,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-29 22:51:41,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974438077] [2025-01-29 22:51:41,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 22:51:41,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-29 22:51:41,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 22:51:41,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-29 22:51:41,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-01-29 22:51:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:51:41,540 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 22:51:41,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 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) [2025-01-29 22:51:41,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:51:41,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:51:41,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:51:41,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-29 22:51:41,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 22:51:41,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:52:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:52:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:52:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:52:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-29 22:52:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 22:52:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 22:52:53,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-29 22:52:53,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-29 22:52:53,782 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-29 22:52:53,782 INFO L139 ounterexampleChecker]: Examining path program with hash 373281439, occurence #1 [2025-01-29 22:52:53,782 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-29 22:52:53,782 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-29 22:52:53,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 22:52:53,783 INFO L85 PathProgramCache]: Analyzing trace with hash 740910742, now seen corresponding path program 7 times [2025-01-29 22:52:53,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 22:52:53,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600511960] [2025-01-29 22:52:53,783 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 22:52:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 22:52:53,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-29 22:52:53,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-29 22:52:53,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 22:52:53,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 22:52:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 22:52:53,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 22:52:53,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600511960] [2025-01-29 22:52:53,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600511960] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 22:52:53,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 22:52:53,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-29 22:52:53,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792721374] [2025-01-29 22:52:53,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 22:52:53,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-29 22:52:53,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 22:52:53,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-29 22:52:53,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-01-29 22:52:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 22:52:53,874 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 22:52:53,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 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) [2025-01-29 22:52:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:52:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 22:52:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 22:52:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-29 22:52:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 22:52:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 22:52:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.