/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 NECESSARY_AND_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/bench/exp2x6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-30 00:28:12,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-30 00:28:12,195 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 [2025-01-30 00:28:12,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-30 00:28:12,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-30 00:28:12,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-30 00:28:12,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-30 00:28:12,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-30 00:28:12,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-30 00:28:12,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-30 00:28:12,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Use SBE=true [2025-01-30 00:28:12,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-30 00:28:12,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-30 00:28:12,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 00:28:12,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-30 00:28:12,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-30 00:28:12,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-30 00:28:12,219 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-30 00:28:12,219 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-30 00:28:12,219 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 -> NECESSARY_AND_SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-01-30 00:28:12,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-30 00:28:12,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-30 00:28:12,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-30 00:28:12,409 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-30 00:28:12,410 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-30 00:28:12,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl [2025-01-30 00:28:12,412 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl' [2025-01-30 00:28:12,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-30 00:28:12,429 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-30 00:28:12,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-30 00:28:12,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-30 00:28:12,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-30 00:28:12,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,443 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-30 00:28:12,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-30 00:28:12,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-30 00:28:12,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-30 00:28:12,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-30 00:28:12,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-30 00:28:12,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-30 00:28:12,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-30 00:28:12,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-30 00:28:12,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/1) ... [2025-01-30 00:28:12,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 00:28:12,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 00:28:12,488 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) [2025-01-30 00:28:12,489 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 [2025-01-30 00:28:12,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-30 00:28:12,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-30 00:28:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-30 00:28:12,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-30 00:28:12,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-30 00:28:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-30 00:28:12,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-30 00:28:12,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-30 00:28:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-30 00:28:12,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-30 00:28:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-30 00:28:12,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-30 00:28:12,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-01-30 00:28:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-30 00:28:12,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-30 00:28:12,510 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-30 00:28:12,542 INFO L234 CfgBuilder]: Building ICFG [2025-01-30 00:28:12,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-30 00:28:12,642 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-30 00:28:12,642 INFO L283 CfgBuilder]: Performing block encoding [2025-01-30 00:28:12,649 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-30 00:28:12,649 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-30 00:28:12,650 INFO L201 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:28:12 BoogieIcfgContainer [2025-01-30 00:28:12,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-30 00:28:12,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-30 00:28:12,651 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-30 00:28:12,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-30 00:28:12,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 12:28:12" (1/2) ... [2025-01-30 00:28:12,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73454ec8 and model type exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:28:12, skipping insertion in model container [2025-01-30 00:28:12,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:28:12" (2/2) ... [2025-01-30 00:28:12,658 INFO L128 eAbstractionObserver]: Analyzing ICFG exp2x6.wvr.bpl [2025-01-30 00:28:12,668 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-30 00:28:12,670 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG exp2x6.wvr.bpl that has 5 procedures, 42 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-30 00:28:12,670 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-30 00:28:12,713 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-30 00:28:12,744 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 00:28:12,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-30 00:28:12,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 00:28:12,747 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) [2025-01-30 00:28:12,748 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 [2025-01-30 00:28:12,785 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-30 00:28:12,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-30 00:28:12,805 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;@6a029a4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 00:28:12,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-30 00:28:12,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:12,923 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:12,923 INFO L139 ounterexampleChecker]: Examining path program with hash -1047417881, occurence #1 [2025-01-30 00:28:12,923 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:12,924 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:12,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:12,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1474203143, now seen corresponding path program 1 times [2025-01-30 00:28:12,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:12,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349714256] [2025-01-30 00:28:12,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:12,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:12,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-30 00:28:12,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-30 00:28:12,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:12,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:13,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:13,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349714256] [2025-01-30 00:28:13,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349714256] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:13,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:13,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-30 00:28:13,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355743325] [2025-01-30 00:28:13,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:13,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 00:28:13,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:13,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 00:28:13,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 00:28:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,069 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:13,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2025-01-30 00:28:13,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:13,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-30 00:28:13,105 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:13,105 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:13,105 INFO L139 ounterexampleChecker]: Examining path program with hash 58291827, occurence #1 [2025-01-30 00:28:13,105 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:13,105 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:13,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:13,106 INFO L85 PathProgramCache]: Analyzing trace with hash 219670675, now seen corresponding path program 1 times [2025-01-30 00:28:13,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:13,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069193725] [2025-01-30 00:28:13,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:13,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:13,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-30 00:28:13,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-30 00:28:13,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:13,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:13,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:13,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069193725] [2025-01-30 00:28:13,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069193725] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:13,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:13,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 00:28:13,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457617671] [2025-01-30 00:28:13,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:13,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 00:28:13,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:13,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 00:28:13,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-30 00:28:13,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:13,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2025-01-30 00:28:13,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:13,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:13,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-30 00:28:13,272 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:13,272 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:13,272 INFO L139 ounterexampleChecker]: Examining path program with hash -284048871, occurence #1 [2025-01-30 00:28:13,272 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:13,272 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:13,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash -556104520, now seen corresponding path program 1 times [2025-01-30 00:28:13,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:13,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670177878] [2025-01-30 00:28:13,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:13,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:13,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-30 00:28:13,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-30 00:28:13,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:13,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:13,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:13,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670177878] [2025-01-30 00:28:13,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670177878] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:13,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:13,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 00:28:13,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451708681] [2025-01-30 00:28:13,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:13,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-30 00:28:13,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:13,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-30 00:28:13,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-30 00:28:13,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,337 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:13,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-01-30 00:28:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:13,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:13,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:13,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:13,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-30 00:28:13,454 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:13,454 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:13,454 INFO L139 ounterexampleChecker]: Examining path program with hash -43999088, occurence #1 [2025-01-30 00:28:13,454 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:13,454 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:13,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1448483296, now seen corresponding path program 1 times [2025-01-30 00:28:13,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:13,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784002415] [2025-01-30 00:28:13,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:13,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:13,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-30 00:28:13,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 00:28:13,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:13,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-30 00:28:13,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:13,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784002415] [2025-01-30 00:28:13,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784002415] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:13,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:13,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-30 00:28:13,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688784402] [2025-01-30 00:28:13,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:13,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-30 00:28:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:13,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-30 00:28:13,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-30 00:28:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,661 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:13,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2025-01-30 00:28:13,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:13,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:13,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:13,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:13,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-30 00:28:13,795 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:13,795 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:13,795 INFO L139 ounterexampleChecker]: Examining path program with hash 1061710620, occurence #1 [2025-01-30 00:28:13,796 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:13,796 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:13,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash -180030260, now seen corresponding path program 2 times [2025-01-30 00:28:13,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:13,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897188058] [2025-01-30 00:28:13,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 00:28:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:13,802 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-30 00:28:13,809 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 00:28:13,809 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 00:28:13,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:13,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:13,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897188058] [2025-01-30 00:28:13,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897188058] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 00:28:13,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014067740] [2025-01-30 00:28:13,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 00:28:13,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 00:28:13,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 00:28:13,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 00:28:13,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-30 00:28:13,938 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-30 00:28:13,950 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 00:28:13,950 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 00:28:13,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:13,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-30 00:28:13,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 00:28:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:14,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-30 00:28:14,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014067740] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:14,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 00:28:14,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 13 [2025-01-30 00:28:14,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229888561] [2025-01-30 00:28:14,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:14,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-30 00:28:14,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:14,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-30 00:28:14,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-01-30 00:28:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:14,196 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:14,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2025-01-30 00:28:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:14,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:14,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-30 00:28:14,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 00:28:14,668 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:14,668 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:14,668 INFO L139 ounterexampleChecker]: Examining path program with hash 1173914528, occurence #1 [2025-01-30 00:28:14,668 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:14,668 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:14,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:14,669 INFO L85 PathProgramCache]: Analyzing trace with hash -955805455, now seen corresponding path program 3 times [2025-01-30 00:28:14,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:14,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522506015] [2025-01-30 00:28:14,669 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 00:28:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:14,673 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 2 equivalence classes. [2025-01-30 00:28:14,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 00:28:14,678 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 00:28:14,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:14,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:14,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522506015] [2025-01-30 00:28:14,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522506015] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 00:28:14,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437498510] [2025-01-30 00:28:14,778 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 00:28:14,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 00:28:14,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 00:28:14,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 00:28:14,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-30 00:28:14,802 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 2 equivalence classes. [2025-01-30 00:28:14,811 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 00:28:14,812 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 00:28:14,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:14,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-30 00:28:14,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 00:28:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:15,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 00:28:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-30 00:28:15,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437498510] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 00:28:15,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 00:28:15,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 7] total 13 [2025-01-30 00:28:15,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184114611] [2025-01-30 00:28:15,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 00:28:15,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-30 00:28:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:15,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-30 00:28:15,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-01-30 00:28:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:15,075 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:15,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 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) [2025-01-30 00:28:15,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:15,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:15,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:15,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:15,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:15,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-30 00:28:15,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 00:28:15,678 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:15,678 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:15,678 INFO L139 ounterexampleChecker]: Examining path program with hash -1007911709, occurence #1 [2025-01-30 00:28:15,678 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:15,678 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:15,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:15,679 INFO L85 PathProgramCache]: Analyzing trace with hash 491082363, now seen corresponding path program 1 times [2025-01-30 00:28:15,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:15,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951643163] [2025-01-30 00:28:15,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:15,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:15,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-30 00:28:15,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-30 00:28:15,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:15,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:15,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951643163] [2025-01-30 00:28:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951643163] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:15,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:15,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 00:28:15,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627852837] [2025-01-30 00:28:15,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:15,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 00:28:15,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:15,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 00:28:15,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-30 00:28:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:15,704 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:15,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2025-01-30 00:28:15,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:15,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:15,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:15,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:15,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:15,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-30 00:28:15,778 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:15,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:15,778 INFO L139 ounterexampleChecker]: Examining path program with hash 689704011, occurence #1 [2025-01-30 00:28:15,778 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:15,778 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:15,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:15,779 INFO L85 PathProgramCache]: Analyzing trace with hash 720248976, now seen corresponding path program 1 times [2025-01-30 00:28:15,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:15,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753191688] [2025-01-30 00:28:15,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:15,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:15,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-30 00:28:15,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-30 00:28:15,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:15,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:15,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:15,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753191688] [2025-01-30 00:28:15,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753191688] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:15,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:15,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 00:28:15,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136379285] [2025-01-30 00:28:15,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:15,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-30 00:28:15,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:15,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-30 00:28:15,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-30 00:28:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:15,807 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:15,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:15,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:15,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-30 00:28:15,884 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:15,884 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:15,884 INFO L139 ounterexampleChecker]: Examining path program with hash -850399639, occurence #1 [2025-01-30 00:28:15,884 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:15,884 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:15,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:15,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1455613156, now seen corresponding path program 1 times [2025-01-30 00:28:15,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:15,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075591159] [2025-01-30 00:28:15,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:15,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:15,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-30 00:28:15,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 00:28:15,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:15,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:16,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:16,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075591159] [2025-01-30 00:28:16,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075591159] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:16,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:16,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-30 00:28:16,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519508410] [2025-01-30 00:28:16,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:16,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-30 00:28:16,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:16,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-30 00:28:16,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-30 00:28:16,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:16,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:16,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-30 00:28:16,179 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:16,179 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:16,179 INFO L139 ounterexampleChecker]: Examining path program with hash -678440215, occurence #1 [2025-01-30 00:28:16,179 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:16,179 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:16,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:16,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1061366924, now seen corresponding path program 2 times [2025-01-30 00:28:16,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:16,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591943839] [2025-01-30 00:28:16,180 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 00:28:16,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:16,184 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-30 00:28:16,186 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 00:28:16,186 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 00:28:16,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:16,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:16,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591943839] [2025-01-30 00:28:16,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591943839] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:16,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:16,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-30 00:28:16,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506341831] [2025-01-30 00:28:16,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:16,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-30 00:28:16,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:16,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-30 00:28:16,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-01-30 00:28:16,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:16,266 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:16,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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) [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 00:28:16,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-30 00:28:16,506 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:16,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:16,506 INFO L139 ounterexampleChecker]: Examining path program with hash -418019428, occurence #1 [2025-01-30 00:28:16,506 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:16,506 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:16,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash 312398785, now seen corresponding path program 3 times [2025-01-30 00:28:16,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:16,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620979159] [2025-01-30 00:28:16,507 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 00:28:16,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:16,509 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 1 equivalence classes. [2025-01-30 00:28:16,511 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 00:28:16,511 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-30 00:28:16,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 00:28:16,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:16,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620979159] [2025-01-30 00:28:16,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620979159] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:16,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:16,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-30 00:28:16,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779122271] [2025-01-30 00:28:16,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:16,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-30 00:28:16,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:16,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-30 00:28:16,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-01-30 00:28:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:16,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:16,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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) [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 00:28:16,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 00:28:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-30 00:28:16,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-30 00:28:16,942 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-30 00:28:16,942 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 00:28:16,943 INFO L139 ounterexampleChecker]: Examining path program with hash -1331329084, occurence #1 [2025-01-30 00:28:16,943 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 00:28:16,943 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 00:28:16,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 00:28:16,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1872993081, now seen corresponding path program 1 times [2025-01-30 00:28:16,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 00:28:16,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646497474] [2025-01-30 00:28:16,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 00:28:16,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 00:28:16,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-30 00:28:16,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-30 00:28:16,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 00:28:16,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 00:28:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-30 00:28:17,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 00:28:17,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646497474] [2025-01-30 00:28:17,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646497474] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 00:28:17,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 00:28:17,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-30 00:28:17,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801821306] [2025-01-30 00:28:17,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 00:28:17,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-30 00:28:17,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 00:28:17,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-30 00:28:17,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-01-30 00:28:17,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:17,137 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 00:28:17,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 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) [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-30 00:28:17,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 00:28:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 00:28:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-30 00:28:18,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2025-01-30 00:28:18,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-01-30 00:28:18,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-01-30 00:28:18,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-01-30 00:28:18,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-01-30 00:28:18,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-30 00:28:18,339 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1] [2025-01-30 00:28:18,341 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-30 00:28:18,341 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-30 00:28:18,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-30 00:28:18,349 INFO L201 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:28:18 BasicIcfg [2025-01-30 00:28:18,349 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-30 00:28:18,350 INFO L158 Benchmark]: Toolchain (without parser) took 5920.70ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 97.4MB in the beginning and 56.3MB in the end (delta: 41.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.0GB. [2025-01-30 00:28:18,350 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 00:28:18,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.75ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 96.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 00:28:18,350 INFO L158 Benchmark]: Boogie Preprocessor took 13.38ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 95.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 00:28:18,350 INFO L158 Benchmark]: RCFGBuilder took 191.70ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 85.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-30 00:28:18,351 INFO L158 Benchmark]: TraceAbstraction took 5697.58ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 85.3MB in the beginning and 56.3MB in the end (delta: 28.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.0GB. [2025-01-30 00:28:18,351 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 14.75ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 96.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 13.38ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 95.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 191.70ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 85.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 5697.58ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 85.3MB in the beginning and 56.3MB in the end (delta: 28.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26350, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 2177, dependent conditional: 2177, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1428, independent: 1428, independent conditional: 0, independent unconditional: 1428, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1428, independent: 1425, independent conditional: 0, independent unconditional: 1425, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 24173, independent: 22745, independent conditional: 0, independent unconditional: 22745, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1428, unknown conditional: 0, unknown unconditional: 1428] , Statistics on independence cache: Total cache size (in pairs): 1428, Positive cache size: 1428, Positive conditional cache size: 0, Positive unconditional cache size: 1428, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22397, Maximal queried relation: 0, Independence queries for same thread: 2177, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 1061, Number of trivial persistent sets: 994, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1776, independent: 1776, independent conditional: 0, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26350, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 2177, dependent conditional: 2177, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1428, independent: 1428, independent conditional: 0, independent unconditional: 1428, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1428, independent: 1425, independent conditional: 0, independent unconditional: 1425, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 24173, independent: 22745, independent conditional: 0, independent unconditional: 22745, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1428, unknown conditional: 0, unknown unconditional: 1428] , Statistics on independence cache: Total cache size (in pairs): 1428, Positive cache size: 1428, Positive conditional cache size: 0, Positive unconditional cache size: 1428, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22397, Maximal queried relation: 0, Independence queries for same thread: 2177 - PositiveResult [Line: 72]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 74 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.3s, 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: 126, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 1897 SizeOfPredicates, 7 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 9/26 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]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-30 00:28:18,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...