/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 -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 22:26:10,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 22:26:10,375 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 [2025-01-22 22:26:10,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 22:26:10,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 22:26:10,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 22:26:10,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 22:26:10,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 22:26:10,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 22:26:10,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 22:26:10,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 22:26:10,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 22:26:10,412 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 22:26:10,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 22:26:10,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 22:26:10,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 22:26:10,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:26:10,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 22:26:10,415 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 22:26:10,416 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 [2025-01-22 22:26:10,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 22:26:10,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 22:26:10,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 22:26:10,721 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 22:26:10,723 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 22:26:10,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-symm.wvr.bpl [2025-01-22 22:26:10,725 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-symm.wvr.bpl' [2025-01-22 22:26:10,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 22:26:10,762 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 22:26:10,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 22:26:10,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 22:26:10,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 22:26:10,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,786 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 22:26:10,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 22:26:10,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 22:26:10,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 22:26:10,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 22:26:10,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 22:26:10,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 22:26:10,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 22:26:10,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 22:26:10,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/1) ... [2025-01-22 22:26:10,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:26:10,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:10,837 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) [2025-01-22 22:26:10,846 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 [2025-01-22 22:26:10,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 22:26:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 22:26:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 22:26:10,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 22:26:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 22:26:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 22:26:10,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 22:26:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 22:26:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 22:26:10,875 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 22:26:10,931 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 22:26:10,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 22:26:11,132 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 22:26:11,132 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 22:26:11,235 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 22:26:11,235 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-22 22:26:11,236 INFO L201 PluginConnector]: Adding new model nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:26:11 BoogieIcfgContainer [2025-01-22 22:26:11,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 22:26:11,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 22:26:11,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 22:26:11,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 22:26:11,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:26:10" (1/2) ... [2025-01-22 22:26:11,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6e7f42 and model type nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 10:26:11, skipping insertion in model container [2025-01-22 22:26:11,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:26:11" (2/2) ... [2025-01-22 22:26:11,249 INFO L128 eAbstractionObserver]: Analyzing ICFG nzb-file-symm.wvr.bpl [2025-01-22 22:26:11,261 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 22:26:11,263 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nzb-file-symm.wvr.bpl that has 3 procedures, 16 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-22 22:26:11,263 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 22:26:11,320 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-22 22:26:11,367 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:26:11,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 22:26:11,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:11,371 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) [2025-01-22 22:26:11,372 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 [2025-01-22 22:26:11,436 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 22:26:11,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 22:26:11,460 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;@c422491, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:26:11,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-22 22:26:11,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:11,538 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:11,538 INFO L139 ounterexampleChecker]: Examining path program with hash 1355636933, occurence #1 [2025-01-22 22:26:11,538 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:26:11,539 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:11,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:11,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1384160076, now seen corresponding path program 1 times [2025-01-22 22:26:11,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:11,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98760933] [2025-01-22 22:26:11,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:26:11,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:11,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-22 22:26:11,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-22 22:26:11,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:11,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:11,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:11,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98760933] [2025-01-22 22:26:11,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98760933] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:26:11,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:26:11,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 22:26:11,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93240496] [2025-01-22 22:26:11,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:26:11,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:26:11,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:11,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 22:26:11,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 22:26:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:11,760 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:11,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-22 22:26:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:11,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:11,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 22:26:11,818 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:11,818 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:11,818 INFO L139 ounterexampleChecker]: Examining path program with hash -2101753976, occurence #1 [2025-01-22 22:26:11,819 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:26:11,819 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:11,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:11,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1123593729, now seen corresponding path program 1 times [2025-01-22 22:26:11,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:11,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301204402] [2025-01-22 22:26:11,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:26:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:11,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-22 22:26:11,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-22 22:26:11,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:11,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:11,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:11,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301204402] [2025-01-22 22:26:11,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301204402] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:26:11,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:26:11,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 22:26:11,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750666540] [2025-01-22 22:26:11,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:26:11,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:26:11,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:11,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 22:26:11,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 22:26:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:11,963 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:11,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2025-01-22 22:26:11,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:11,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:12,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:12,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-22 22:26:12,008 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:12,008 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:12,008 INFO L139 ounterexampleChecker]: Examining path program with hash 537112707, occurence #1 [2025-01-22 22:26:12,008 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:26:12,008 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:12,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:12,008 INFO L85 PathProgramCache]: Analyzing trace with hash 460794009, now seen corresponding path program 1 times [2025-01-22 22:26:12,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:12,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738651537] [2025-01-22 22:26:12,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:26:12,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:12,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 22:26:12,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 22:26:12,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:12,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:13,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738651537] [2025-01-22 22:26:13,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738651537] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:26:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052517603] [2025-01-22 22:26:13,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:26:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:13,196 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) [2025-01-22 22:26:13,198 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 [2025-01-22 22:26:13,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 22:26:13,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 22:26:13,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:13,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:13,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-22 22:26:13,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:26:14,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 269 [2025-01-22 22:26:14,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 229 [2025-01-22 22:26:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:14,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:26:16,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:16,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 307 treesize of output 281 [2025-01-22 22:26:16,224 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:16,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 277 treesize of output 255 [2025-01-22 22:26:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:17,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052517603] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:26:17,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:26:17,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2025-01-22 22:26:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503472564] [2025-01-22 22:26:17,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:26:17,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-22 22:26:17,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:17,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-22 22:26:17,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2025-01-22 22:26:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:17,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:17,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 17 states have internal predecessors, (33), 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) [2025-01-22 22:26:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:17,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:18,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-22 22:26:18,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:18,435 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:18,435 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:18,435 INFO L139 ounterexampleChecker]: Examining path program with hash -2101753976, occurence #2 [2025-01-22 22:26:18,435 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:26:18,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-22 22:26:18,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:18,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:26:18,437 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:18,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-22 22:26:18,437 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:18,437 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:26:18,437 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:18,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:18,437 INFO L85 PathProgramCache]: Analyzing trace with hash 235408058, now seen corresponding path program 2 times [2025-01-22 22:26:18,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:18,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879720806] [2025-01-22 22:26:18,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:26:18,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:18,444 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 2 equivalence classes. [2025-01-22 22:26:18,456 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-01-22 22:26:18,456 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:26:18,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:18,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:18,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879720806] [2025-01-22 22:26:18,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879720806] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:26:18,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674570017] [2025-01-22 22:26:18,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:26:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:18,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:18,611 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) [2025-01-22 22:26:18,612 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 [2025-01-22 22:26:18,639 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 2 equivalence classes. [2025-01-22 22:26:18,649 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-01-22 22:26:18,650 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:26:18,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:18,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-22 22:26:18,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:26:18,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2025-01-22 22:26:18,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2025-01-22 22:26:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:18,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:26:18,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:18,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2025-01-22 22:26:18,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:18,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2025-01-22 22:26:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:18,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674570017] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:26:18,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:26:18,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-01-22 22:26:18,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844430494] [2025-01-22 22:26:18,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:26:18,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-22 22:26:18,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:18,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-22 22:26:18,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-01-22 22:26:18,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:18,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:18,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 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) [2025-01-22 22:26:18,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:18,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:18,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:18,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:19,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:19,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:19,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:19,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:19,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 22:26:19,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:19,256 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:19,256 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:19,256 INFO L139 ounterexampleChecker]: Examining path program with hash 537112707, occurence #2 [2025-01-22 22:26:19,256 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:26:19,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-22 22:26:19,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:19,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:26:19,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:19,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 22:26:19,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:19,257 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:26:19,257 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:19,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:19,257 INFO L85 PathProgramCache]: Analyzing trace with hash -359823554, now seen corresponding path program 3 times [2025-01-22 22:26:19,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:19,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208860525] [2025-01-22 22:26:19,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:26:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:19,262 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 3 equivalence classes. [2025-01-22 22:26:19,282 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 16 of 16 statements. [2025-01-22 22:26:19,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 22:26:19,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:19,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:19,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208860525] [2025-01-22 22:26:19,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208860525] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:26:19,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409647657] [2025-01-22 22:26:19,839 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:26:19,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:19,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:19,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:26:19,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 22:26:19,876 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 3 equivalence classes. [2025-01-22 22:26:19,890 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 16 of 16 statements. [2025-01-22 22:26:19,890 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 22:26:19,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:19,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-22 22:26:19,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:26:20,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 248 treesize of output 214 [2025-01-22 22:26:20,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 175 [2025-01-22 22:26:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:20,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:26:21,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:21,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 405 treesize of output 367 [2025-01-22 22:26:21,354 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:21,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 363 treesize of output 321 [2025-01-22 22:26:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:21,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409647657] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:26:21,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:26:21,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2025-01-22 22:26:21,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154781203] [2025-01-22 22:26:21,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:26:21,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-22 22:26:21,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:21,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-22 22:26:21,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2025-01-22 22:26:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:21,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:21,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 21 states have internal predecessors, (37), 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) [2025-01-22 22:26:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 22:26:22,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-22 22:26:22,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:22,568 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:22,568 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:22,568 INFO L139 ounterexampleChecker]: Examining path program with hash 537112707, occurence #3 [2025-01-22 22:26:22,568 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:26:22,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-22 22:26:22,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:22,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:26:22,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:22,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-22 22:26:22,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:26:22,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:26:22,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:22,569 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:26:22,569 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:22,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:22,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1757005758, now seen corresponding path program 4 times [2025-01-22 22:26:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:22,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907467949] [2025-01-22 22:26:22,570 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:26:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:22,575 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 17 statements into 2 equivalence classes. [2025-01-22 22:26:22,590 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 22:26:22,590 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-22 22:26:22,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:22,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907467949] [2025-01-22 22:26:22,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907467949] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:26:22,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405185133] [2025-01-22 22:26:22,817 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:26:22,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:22,819 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:26:22,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-22 22:26:22,846 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 17 statements into 2 equivalence classes. [2025-01-22 22:26:22,857 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 22:26:22,857 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-22 22:26:22,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:22,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-22 22:26:22,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:26:22,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2025-01-22 22:26:22,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2025-01-22 22:26:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:22,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:26:23,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:23,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40 [2025-01-22 22:26:23,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:23,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 36 [2025-01-22 22:26:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:23,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405185133] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:26:23,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:26:23,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2025-01-22 22:26:23,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856866800] [2025-01-22 22:26:23,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:26:23,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-22 22:26:23,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:23,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-22 22:26:23,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2025-01-22 22:26:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:23,142 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:23,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 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) [2025-01-22 22:26:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 22:26:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:23,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 22:26:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:23,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-22 22:26:23,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:23,765 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:23,765 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:23,765 INFO L139 ounterexampleChecker]: Examining path program with hash -2101753976, occurence #3 [2025-01-22 22:26:23,765 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:26:23,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-22 22:26:23,765 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:23,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:26:23,765 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:23,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 22:26:23,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:23,766 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:26:23,766 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:23,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:23,766 INFO L85 PathProgramCache]: Analyzing trace with hash 566067381, now seen corresponding path program 5 times [2025-01-22 22:26:23,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:23,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598757300] [2025-01-22 22:26:23,766 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:26:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:23,773 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 17 statements into 3 equivalence classes. [2025-01-22 22:26:23,784 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 22:26:23,784 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-22 22:26:23,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:23,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:23,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598757300] [2025-01-22 22:26:23,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598757300] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:26:23,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943468490] [2025-01-22 22:26:23,974 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:26:23,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:23,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:23,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:26:23,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-22 22:26:24,013 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 17 statements into 3 equivalence classes. [2025-01-22 22:26:24,025 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 22:26:24,025 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-22 22:26:24,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:24,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-22 22:26:24,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:26:24,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2025-01-22 22:26:24,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2025-01-22 22:26:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:24,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:26:24,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:24,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2025-01-22 22:26:24,259 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:24,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2025-01-22 22:26:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:24,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943468490] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:26:24,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:26:24,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2025-01-22 22:26:24,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750195436] [2025-01-22 22:26:24,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:26:24,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-22 22:26:24,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:24,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-22 22:26:24,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2025-01-22 22:26:24,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:24,313 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:24,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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) [2025-01-22 22:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 22:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:24,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-22 22:26:24,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:24,998 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:24,999 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:24,999 INFO L139 ounterexampleChecker]: Examining path program with hash 537112707, occurence #4 [2025-01-22 22:26:24,999 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:26:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-22 22:26:24,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:26:24,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-22 22:26:24,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:24,999 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:26:24,999 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:24,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:24,999 INFO L85 PathProgramCache]: Analyzing trace with hash 537879469, now seen corresponding path program 6 times [2025-01-22 22:26:25,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:25,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166420655] [2025-01-22 22:26:25,000 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:26:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:25,009 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 22 statements into 6 equivalence classes. [2025-01-22 22:26:25,045 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 22 of 22 statements. [2025-01-22 22:26:25,045 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-22 22:26:25,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:25,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:25,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166420655] [2025-01-22 22:26:25,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166420655] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:26:25,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114640178] [2025-01-22 22:26:25,884 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:26:25,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:25,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:26:25,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:26:25,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-22 22:26:25,924 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 22 statements into 6 equivalence classes. [2025-01-22 22:26:25,940 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 22 of 22 statements. [2025-01-22 22:26:25,940 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-22 22:26:25,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:25,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-22 22:26:25,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:26:26,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 192 [2025-01-22 22:26:26,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 168 [2025-01-22 22:26:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:26,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:26:27,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:27,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 289 treesize of output 265 [2025-01-22 22:26:27,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:26:27,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 261 treesize of output 241 [2025-01-22 22:26:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:27,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114640178] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:26:27,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:26:27,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 34 [2025-01-22 22:26:27,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890277417] [2025-01-22 22:26:27,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:26:27,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-01-22 22:26:27,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:27,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-01-22 22:26:27,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2025-01-22 22:26:27,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:27,450 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:27,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 34 states have internal predecessors, (50), 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) [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-22 22:26:28,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-22 22:26:29,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:26:29,143 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:29,143 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:29,143 INFO L139 ounterexampleChecker]: Examining path program with hash 537112707, occurence #5 [2025-01-22 22:26:29,143 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:26:29,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-22 22:26:29,144 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:29,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:26:29,144 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:29,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:26:29,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:26:29,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:26:29,144 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:29,144 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:26:29,144 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:29,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1936583699, now seen corresponding path program 7 times [2025-01-22 22:26:29,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:29,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338820032] [2025-01-22 22:26:29,144 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:26:29,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:29,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 22:26:29,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 22:26:29,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:29,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:29,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:29,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338820032] [2025-01-22 22:26:29,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338820032] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:26:29,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:26:29,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-22 22:26:29,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125755175] [2025-01-22 22:26:29,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:26:29,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-22 22:26:29,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:29,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-22 22:26:29,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-01-22 22:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,234 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:29,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 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) [2025-01-22 22:26:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-22 22:26:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-22 22:26:29,557 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:29,557 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:29,557 INFO L139 ounterexampleChecker]: Examining path program with hash -2101753976, occurence #4 [2025-01-22 22:26:29,557 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:26:29,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-22 22:26:29,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:29,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:26:29,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:29,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-22 22:26:29,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:26:29,557 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:26:29,557 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:29,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:29,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1669909978, now seen corresponding path program 8 times [2025-01-22 22:26:29,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:29,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708621993] [2025-01-22 22:26:29,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:26:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:29,564 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-22 22:26:29,571 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 22:26:29,571 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:26:29,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:29,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:29,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708621993] [2025-01-22 22:26:29,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708621993] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:26:29,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:26:29,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-22 22:26:29,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63764750] [2025-01-22 22:26:29,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:26:29,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 22:26:29,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:29,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 22:26:29,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-22 22:26:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,649 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:29,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:29,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-22 22:26:29,732 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:29,732 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:29,732 INFO L139 ounterexampleChecker]: Examining path program with hash 379766346, occurence #1 [2025-01-22 22:26:29,732 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:26:29,732 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:29,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash -815551887, now seen corresponding path program 1 times [2025-01-22 22:26:29,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:29,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080502542] [2025-01-22 22:26:29,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:26:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:29,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-22 22:26:29,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-22 22:26:29,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:29,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:26:29,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:29,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080502542] [2025-01-22 22:26:29,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080502542] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:26:29,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:26:29,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 22:26:29,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034286544] [2025-01-22 22:26:29,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:26:29,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:26:29,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:29,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 22:26:29,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 22:26:29,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:29,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-22 22:26:29,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-22 22:26:29,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-22 22:26:29,814 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:29,814 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:29,814 INFO L139 ounterexampleChecker]: Examining path program with hash 1926762625, occurence #1 [2025-01-22 22:26:29,814 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:26:29,814 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:29,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:29,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1462359905, now seen corresponding path program 1 times [2025-01-22 22:26:29,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:29,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671516955] [2025-01-22 22:26:29,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:26:29,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:29,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-22 22:26:29,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-22 22:26:29,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:29,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:26:29,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:29,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671516955] [2025-01-22 22:26:29,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671516955] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:26:29,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:26:29,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 22:26:29,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651285921] [2025-01-22 22:26:29,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:26:29,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:26:29,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:29,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 22:26:29,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 22:26:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,829 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:29,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-22 22:26:29,857 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:26:29,857 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:26:29,857 INFO L139 ounterexampleChecker]: Examining path program with hash -740701748, occurence #1 [2025-01-22 22:26:29,857 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:26:29,857 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:26:29,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:26:29,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1190812893, now seen corresponding path program 1 times [2025-01-22 22:26:29,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:26:29,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971277935] [2025-01-22 22:26:29,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:26:29,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:26:29,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-22 22:26:29,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-22 22:26:29,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:26:29,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:26:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:26:29,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:26:29,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971277935] [2025-01-22 22:26:29,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971277935] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:26:29,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:26:29,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-22 22:26:29,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896444391] [2025-01-22 22:26:29,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:26:29,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 22:26:29,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:26:29,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 22:26:29,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 22:26:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:29,958 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:26:29,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:26:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:26:30,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2025-01-22 22:26:30,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-22 22:26:30,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-22 22:26:30,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-22 22:26:30,027 INFO L422 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1] [2025-01-22 22:26:30,031 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 22:26:30,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 22:26:30,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-22 22:26:30,042 INFO L201 PluginConnector]: Adding new model nzb-file-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 10:26:30 BasicIcfg [2025-01-22 22:26:30,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 22:26:30,043 INFO L158 Benchmark]: Toolchain (without parser) took 19281.77ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 78.2MB in the beginning and 235.7MB in the end (delta: -157.5MB). Peak memory consumption was 69.2MB. Max. memory is 16.0GB. [2025-01-22 22:26:30,044 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:26:30,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.05ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:26:30,044 INFO L158 Benchmark]: Boogie Preprocessor took 15.48ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.1MB in the end (delta: 781.0kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:26:30,044 INFO L158 Benchmark]: RCFGBuilder took 432.09ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 90.2MB in the end (delta: -14.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.0GB. [2025-01-22 22:26:30,044 INFO L158 Benchmark]: TraceAbstraction took 18801.53ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 89.6MB in the beginning and 235.7MB in the end (delta: -146.1MB). Peak memory consumption was 81.5MB. Max. memory is 16.0GB. [2025-01-22 22:26:30,047 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.05ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 15.48ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.1MB in the end (delta: 781.0kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 432.09ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 90.2MB in the end (delta: -14.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.0GB. * TraceAbstraction took 18801.53ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 89.6MB in the beginning and 235.7MB in the end (delta: -146.1MB). Peak memory consumption was 81.5MB. 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: 1073, independent: 772, independent conditional: 627, independent unconditional: 145, dependent: 301, dependent conditional: 301, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 772, independent: 772, independent conditional: 627, independent unconditional: 145, 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: 772, independent: 772, independent conditional: 627, independent unconditional: 145, 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: 772, independent: 772, independent conditional: 627, independent unconditional: 145, 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: 772, independent: 772, independent conditional: 0, independent unconditional: 772, 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: 772, independent: 772, independent conditional: 0, independent unconditional: 772, 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: 148, independent: 148, independent conditional: 0, independent unconditional: 148, 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: 148, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 29, independent conditional: 0, independent unconditional: 29, 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: 772, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 148, unknown conditional: 0, unknown unconditional: 148] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, 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: 627, Maximal queried relation: 0, Independence queries for same thread: 301, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 32, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, independent: 145, independent conditional: 0, independent unconditional: 145, 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: 1073, independent: 772, independent conditional: 627, independent unconditional: 145, dependent: 301, dependent conditional: 301, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 772, independent: 772, independent conditional: 627, independent unconditional: 145, 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: 772, independent: 772, independent conditional: 627, independent unconditional: 145, 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: 772, independent: 772, independent conditional: 627, independent unconditional: 145, 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: 772, independent: 772, independent conditional: 0, independent unconditional: 772, 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: 772, independent: 772, independent conditional: 0, independent unconditional: 772, 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: 148, independent: 148, independent conditional: 0, independent unconditional: 148, 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: 148, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 29, independent conditional: 0, independent unconditional: 29, 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: 772, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 148, unknown conditional: 0, unknown unconditional: 148] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, 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: 627, Maximal queried relation: 0, Independence queries for same thread: 301 - PositiveResult [Line: 100]: 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 5 procedures, 26 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 4.5s, 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: 160, 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, 0.3s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 4235 SizeOfPredicates, 63 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 25 InterpolantComputations, 7 PerfectInterpolantSequences, 63/189 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]: 1, ConditionCalculationTime [ms]: 0, ConditionCalculations: 2, 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! [2025-01-22 22:26:30,068 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...