/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 -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 23:18:14,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 23:18:14,821 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 [2024-12-16 23:18:14,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 23:18:14,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 23:18:14,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 23:18:14,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 23:18:14,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 23:18:14,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 23:18:14,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 23:18:14,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 23:18:14,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 23:18:14,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 23:18:14,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 23:18:14,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 23:18:14,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 23:18:14,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 23:18:14,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 23:18:14,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 23:18:14,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 23:18:14,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:18:14,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 23:18:14,848 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 23:18:14,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-16 23:18:15,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 23:18:15,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 23:18:15,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 23:18:15,048 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 23:18:15,048 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 23:18:15,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2024-12-16 23:18:15,049 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2024-12-16 23:18:15,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 23:18:15,067 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 23:18:15,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 23:18:15,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 23:18:15,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 23:18:15,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,083 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 23:18:15,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 23:18:15,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 23:18:15,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 23:18:15,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 23:18:15,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 23:18:15,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 23:18:15,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 23:18:15,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 23:18:15,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/1) ... [2024-12-16 23:18:15,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:18:15,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:15,130 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) [2024-12-16 23:18:15,133 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 [2024-12-16 23:18:15,152 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 23:18:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 23:18:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 23:18:15,153 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 23:18:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 23:18:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 23:18:15,154 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 23:18:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 23:18:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 23:18:15,154 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-16 23:18:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-16 23:18:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-16 23:18:15,155 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-16 23:18:15,195 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 23:18:15,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 23:18:15,294 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 23:18:15,294 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 23:18:15,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 23:18:15,322 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-16 23:18:15,323 INFO L201 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:18:15 BoogieIcfgContainer [2024-12-16 23:18:15,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 23:18:15,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 23:18:15,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 23:18:15,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 23:18:15,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:18:15" (1/2) ... [2024-12-16 23:18:15,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac7b07c and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:18:15, skipping insertion in model container [2024-12-16 23:18:15,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:18:15" (2/2) ... [2024-12-16 23:18:15,331 INFO L128 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2024-12-16 23:18:15,341 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 23:18:15,343 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ring-nondet.wvr.bpl that has 4 procedures, 26 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-16 23:18:15,343 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 23:18:15,382 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-16 23:18:15,417 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:18:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 23:18:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:15,419 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) [2024-12-16 23:18:15,420 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 [2024-12-16 23:18:15,461 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 23:18:15,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 23:18:15,482 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;@4239d501, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:18:15,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-16 23:18:15,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:15,679 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:15,679 INFO L139 ounterexampleChecker]: Examining path program with hash -368749103, occurence #1 [2024-12-16 23:18:15,679 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:18:15,679 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:15,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:15,685 INFO L85 PathProgramCache]: Analyzing trace with hash 670227294, now seen corresponding path program 1 times [2024-12-16 23:18:15,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:15,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913615873] [2024-12-16 23:18:15,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:18:15,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:18:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:18:15,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:15,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913615873] [2024-12-16 23:18:15,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913615873] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:18:15,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 23:18:15,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 23:18:15,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271507386] [2024-12-16 23:18:15,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:18:15,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 23:18:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:15,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 23:18:15,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 23:18:15,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:15,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:15,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-12-16 23:18:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:15,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:15,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 23:18:15,891 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:15,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:15,891 INFO L139 ounterexampleChecker]: Examining path program with hash 2112721859, occurence #1 [2024-12-16 23:18:15,891 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:18:15,891 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:15,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:15,891 INFO L85 PathProgramCache]: Analyzing trace with hash 868275940, now seen corresponding path program 1 times [2024-12-16 23:18:15,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:15,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98061845] [2024-12-16 23:18:15,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:18:15,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:18:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-16 23:18:15,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:15,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98061845] [2024-12-16 23:18:15,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98061845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:18:15,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 23:18:15,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 23:18:15,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916779829] [2024-12-16 23:18:15,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:18:15,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 23:18:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:15,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 23:18:15,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 23:18:15,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:15,968 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:15,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2024-12-16 23:18:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:15,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:16,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-16 23:18:16,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:16,087 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:16,087 INFO L139 ounterexampleChecker]: Examining path program with hash -1861533197, occurence #1 [2024-12-16 23:18:16,087 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:18:16,087 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:16,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:16,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2098491494, now seen corresponding path program 1 times [2024-12-16 23:18:16,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:16,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445440203] [2024-12-16 23:18:16,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:18:16,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:18:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:18:16,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:16,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445440203] [2024-12-16 23:18:16,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445440203] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:18:16,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 23:18:16,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 23:18:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534540109] [2024-12-16 23:18:16,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:18:16,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 23:18:16,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:16,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 23:18:16,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 23:18:16,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:16,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:16,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2024-12-16 23:18:16,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-16 23:18:16,238 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:16,238 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:16,239 INFO L139 ounterexampleChecker]: Examining path program with hash -1861533197, occurence #2 [2024-12-16 23:18:16,239 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:18:16,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-16 23:18:16,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:18:16,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-16 23:18:16,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:18:16,240 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:18:16,240 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:16,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash -570615953, now seen corresponding path program 1 times [2024-12-16 23:18:16,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:16,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877544103] [2024-12-16 23:18:16,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:18:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:18:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:16,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:16,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877544103] [2024-12-16 23:18:16,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877544103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:18:16,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 23:18:16,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-16 23:18:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875769145] [2024-12-16 23:18:16,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:18:16,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 23:18:16,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:16,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 23:18:16,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 23:18:16,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:16,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:16,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-12-16 23:18:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-16 23:18:16,368 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:16,369 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:16,369 INFO L139 ounterexampleChecker]: Examining path program with hash -1861533197, occurence #3 [2024-12-16 23:18:16,369 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:18:16,369 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-16 23:18:16,369 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:18:16,369 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-16 23:18:16,369 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:18:16,369 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:18:16,369 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:16,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:16,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1977951352, now seen corresponding path program 2 times [2024-12-16 23:18:16,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:16,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357504174] [2024-12-16 23:18:16,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:18:16,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:16,408 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:18:16,408 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-16 23:18:16,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:16,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357504174] [2024-12-16 23:18:16,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357504174] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:18:16,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756248955] [2024-12-16 23:18:16,473 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:18:16,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:16,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:16,477 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) [2024-12-16 23:18:16,479 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 [2024-12-16 23:18:16,532 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:18:16,532 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:16,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-16 23:18:16,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:18:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-16 23:18:16,579 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-16 23:18:16,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756248955] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:18:16,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-16 23:18:16,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-12-16 23:18:16,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220820064] [2024-12-16 23:18:16,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:18:16,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-16 23:18:16,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:16,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-16 23:18:16,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-16 23:18:16,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:16,580 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:16,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 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) [2024-12-16 23:18:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:16,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-16 23:18:16,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:16,849 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:16,849 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:16,849 INFO L139 ounterexampleChecker]: Examining path program with hash 88414575, occurence #1 [2024-12-16 23:18:16,849 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:18:16,849 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:16,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:16,849 INFO L85 PathProgramCache]: Analyzing trace with hash -25098876, now seen corresponding path program 3 times [2024-12-16 23:18:16,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:16,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422592871] [2024-12-16 23:18:16,849 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:18:16,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:16,870 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 23:18:16,870 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:16,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:16,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422592871] [2024-12-16 23:18:16,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422592871] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:18:16,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871832643] [2024-12-16 23:18:16,932 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:18:16,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:16,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:16,934 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) [2024-12-16 23:18:16,935 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 [2024-12-16 23:18:16,975 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 23:18:16,975 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:16,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-16 23:18:16,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:18:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-16 23:18:17,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-16 23:18:17,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871832643] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:18:17,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-16 23:18:17,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-12-16 23:18:17,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439533088] [2024-12-16 23:18:17,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:18:17,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-16 23:18:17,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:17,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-16 23:18:17,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-16 23:18:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:17,010 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:17,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-12-16 23:18:17,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:17,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:17,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:17,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-16 23:18:17,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:17,262 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:17,262 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:17,262 INFO L139 ounterexampleChecker]: Examining path program with hash 612932367, occurence #1 [2024-12-16 23:18:17,262 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:18:17,262 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:17,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:17,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2000449849, now seen corresponding path program 4 times [2024-12-16 23:18:17,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:17,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113027647] [2024-12-16 23:18:17,262 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 23:18:17,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:17,276 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 23:18:17,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:17,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:17,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113027647] [2024-12-16 23:18:17,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113027647] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:18:17,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609260861] [2024-12-16 23:18:17,568 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 23:18:17,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:17,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:17,569 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) [2024-12-16 23:18:17,572 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 [2024-12-16 23:18:17,623 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 23:18:17,623 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:17,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-16 23:18:17,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:18:17,737 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 15 treesize of output 7 [2024-12-16 23:18:17,808 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 15 treesize of output 7 [2024-12-16 23:18:17,915 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 24 treesize of output 18 [2024-12-16 23:18:17,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:17,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:18:18,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:18,056 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 [2024-12-16 23:18:18,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:18,168 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 [2024-12-16 23:18:18,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:18,295 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 43 treesize of output 41 [2024-12-16 23:18:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:18,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609260861] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:18:18,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:18:18,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 24 [2024-12-16 23:18:18,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809054958] [2024-12-16 23:18:18,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:18:18,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-16 23:18:18,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:18,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-16 23:18:18,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2024-12-16 23:18:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:18,341 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:18,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 24 states have internal predecessors, (67), 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) [2024-12-16 23:18:18,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:18,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:18,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 23:18:18,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-16 23:18:19,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:19,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:19,194 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:19,194 INFO L139 ounterexampleChecker]: Examining path program with hash 833112002, occurence #1 [2024-12-16 23:18:19,194 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:18:19,194 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:19,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:19,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1019289019, now seen corresponding path program 5 times [2024-12-16 23:18:19,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:19,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69979961] [2024-12-16 23:18:19,194 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 23:18:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:19,220 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-16 23:18:19,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-16 23:18:19,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:19,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69979961] [2024-12-16 23:18:19,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69979961] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:18:19,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459219233] [2024-12-16 23:18:19,259 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 23:18:19,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:19,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:19,261 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) [2024-12-16 23:18:19,262 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 [2024-12-16 23:18:19,299 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-16 23:18:19,299 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:19,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-16 23:18:19,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:18:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-16 23:18:19,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:18:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-16 23:18:19,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459219233] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:18:19,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:18:19,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-16 23:18:19,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908006979] [2024-12-16 23:18:19,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:18:19,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-16 23:18:19,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:19,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-16 23:18:19,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-16 23:18:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:19,352 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:19,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 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) [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 23:18:19,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:18:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:19,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-16 23:18:19,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:19,633 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:19,633 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:19,633 INFO L139 ounterexampleChecker]: Examining path program with hash 612932367, occurence #2 [2024-12-16 23:18:19,633 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:18:19,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 23:18:19,687 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 6 treesize of output 4 [2024-12-16 23:18:19,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:19,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1725220712, now seen corresponding path program 1 times [2024-12-16 23:18:19,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-16 23:18:19,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559036311] [2024-12-16 23:18:19,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:18:19,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-16 23:18:19,710 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-16 23:18:19,710 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-16 23:18:19,710 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 31 is hopeless, skipping. [2024-12-16 23:18:19,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-16 23:18:19,710 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:18:19,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-16 23:18:19,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:18:19,710 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:18:19,710 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:19,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:19,711 INFO L85 PathProgramCache]: Analyzing trace with hash 269939400, now seen corresponding path program 6 times [2024-12-16 23:18:19,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:19,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076898243] [2024-12-16 23:18:19,711 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 23:18:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:19,736 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-12-16 23:18:19,737 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:20,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:20,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076898243] [2024-12-16 23:18:20,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076898243] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:18:20,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803224632] [2024-12-16 23:18:20,586 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 23:18:20,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:20,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:20,588 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) [2024-12-16 23:18:20,590 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 [2024-12-16 23:18:20,630 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-12-16 23:18:20,631 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:18:20,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-16 23:18:20,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:18:21,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:21,190 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 26 treesize of output 16 [2024-12-16 23:18:21,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:21,297 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 28 treesize of output 16 [2024-12-16 23:18:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:21,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:18:21,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:21,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 57 [2024-12-16 23:18:21,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:21,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 77 [2024-12-16 23:18:22,281 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:22,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 88 [2024-12-16 23:18:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:22,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803224632] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:18:22,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:18:22,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 16] total 45 [2024-12-16 23:18:22,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605897012] [2024-12-16 23:18:22,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:18:22,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-12-16 23:18:22,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:22,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-12-16 23:18:22,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1848, Unknown=0, NotChecked=0, Total=2070 [2024-12-16 23:18:22,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:22,361 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:22,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.0869565217391304) internal successors, (96), 45 states have internal predecessors, (96), 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) [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-12-16 23:18:25,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-16 23:18:25,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-16 23:18:25,259 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:18:25,259 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:18:25,259 INFO L139 ounterexampleChecker]: Examining path program with hash 833112002, occurence #2 [2024-12-16 23:18:25,259 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:18:25,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 23:18:25,296 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 6 treesize of output 4 [2024-12-16 23:18:25,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:25,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1725220705, now seen corresponding path program 1 times [2024-12-16 23:18:25,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-16 23:18:25,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371225872] [2024-12-16 23:18:25,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:18:25,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-16 23:18:25,311 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-16 23:18:25,312 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-16 23:18:25,312 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 31 is hopeless, skipping. [2024-12-16 23:18:25,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-16 23:18:25,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:18:25,313 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 55 is hopeless, skipping. [2024-12-16 23:18:25,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-16 23:18:25,313 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:18:25,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-16 23:18:25,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:18:25,313 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:18:25,313 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:18:25,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:18:25,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1348443170, now seen corresponding path program 7 times [2024-12-16 23:18:25,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:18:25,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785012406] [2024-12-16 23:18:25,313 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 23:18:25,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:18:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:18:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 2 proven. 94 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:27,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:18:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785012406] [2024-12-16 23:18:27,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785012406] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:18:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483846477] [2024-12-16 23:18:27,346 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 23:18:27,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:18:27,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:18:27,348 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) [2024-12-16 23:18:27,349 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 [2024-12-16 23:18:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:18:27,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-12-16 23:18:27,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:18:29,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:29,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 43 [2024-12-16 23:18:29,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:29,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 41 [2024-12-16 23:18:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 22 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:30,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:18:32,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:32,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 201 [2024-12-16 23:18:39,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:39,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 157 treesize of output 239 [2024-12-16 23:18:45,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:18:45,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 367 treesize of output 385 [2024-12-16 23:18:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 89 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:18:51,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483846477] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:18:51,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:18:51,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34, 34] total 92 [2024-12-16 23:18:51,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774768767] [2024-12-16 23:18:51,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:18:51,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-12-16 23:18:51,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:18:51,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-12-16 23:18:51,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=625, Invalid=7931, Unknown=0, NotChecked=0, Total=8556 [2024-12-16 23:18:51,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:18:51,215 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:18:51,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 1.7849462365591398) internal successors, (166), 92 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:18:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:18:51,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-12-16 23:18:51,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:19:13,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-12-16 23:19:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-12-16 23:19:13,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-16 23:19:14,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:19:14,041 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:19:14,041 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:19:14,041 INFO L139 ounterexampleChecker]: Examining path program with hash 833112002, occurence #3 [2024-12-16 23:19:14,041 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:19:14,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 23:19:14,075 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 6 treesize of output 4 [2024-12-16 23:19:14,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:19:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1725220692, now seen corresponding path program 1 times [2024-12-16 23:19:14,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-16 23:19:14,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125237465] [2024-12-16 23:19:14,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:19:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:19:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-16 23:19:14,085 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-16 23:19:14,085 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-16 23:19:14,085 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 31 is hopeless, skipping. [2024-12-16 23:19:14,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-16 23:19:14,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:19:14,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-16 23:19:14,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:19:14,085 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 57 is hopeless, skipping. [2024-12-16 23:19:14,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-16 23:19:14,085 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:19:14,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-16 23:19:14,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:19:14,085 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:19:14,086 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:19:14,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:19:14,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1506095716, now seen corresponding path program 8 times [2024-12-16 23:19:14,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:19:14,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956573114] [2024-12-16 23:19:14,086 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:19:14,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:19:14,095 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:19:14,095 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:19:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 50 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-16 23:19:14,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:19:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956573114] [2024-12-16 23:19:14,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956573114] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:19:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302462260] [2024-12-16 23:19:14,164 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:19:14,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:19:14,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:19:14,166 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:19:14,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-16 23:19:14,213 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:19:14,213 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:19:14,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-16 23:19:14,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:19:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 42 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-16 23:19:14,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:19:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 42 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-16 23:19:14,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302462260] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:19:14,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:19:14,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2024-12-16 23:19:14,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258006] [2024-12-16 23:19:14,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:19:14,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-16 23:19:14,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:19:14,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-16 23:19:14,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-16 23:19:14,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:19:14,341 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:19:14,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-12-16 23:19:14,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-12-16 23:19:14,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:19:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-12-16 23:19:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:19:14,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-16 23:19:14,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:19:14,817 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:19:14,817 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:19:14,817 INFO L139 ounterexampleChecker]: Examining path program with hash 833112002, occurence #4 [2024-12-16 23:19:14,817 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:19:14,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 23:19:14,880 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 6 treesize of output 4 [2024-12-16 23:19:14,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:19:14,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1725220689, now seen corresponding path program 1 times [2024-12-16 23:19:14,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-16 23:19:14,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722503041] [2024-12-16 23:19:14,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:19:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:19:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-16 23:19:14,889 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-16 23:19:14,889 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-16 23:19:14,889 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 31 is hopeless, skipping. [2024-12-16 23:19:14,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-16 23:19:14,889 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:19:14,889 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 55 is hopeless, skipping. [2024-12-16 23:19:14,889 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 67 is hopeless, skipping. [2024-12-16 23:19:14,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-16 23:19:14,889 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:19:14,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-16 23:19:14,889 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:19:14,889 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:19:14,889 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:19:14,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:19:14,889 INFO L85 PathProgramCache]: Analyzing trace with hash -519305167, now seen corresponding path program 9 times [2024-12-16 23:19:14,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:19:14,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173884673] [2024-12-16 23:19:14,890 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:19:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:19:14,946 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-12-16 23:19:14,946 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:19:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 147 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:19:17,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:19:17,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173884673] [2024-12-16 23:19:17,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173884673] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:19:17,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716678726] [2024-12-16 23:19:17,149 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:19:17,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:19:17,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:19:17,151 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:19:17,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-16 23:19:17,198 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-12-16 23:19:17,198 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:19:17,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 147 conjuncts are in the unsatisfiable core [2024-12-16 23:19:17,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:19:20,328 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:19:20,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 28 [2024-12-16 23:19:20,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:19:20,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 28 [2024-12-16 23:19:20,640 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2024-12-16 23:19:20,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 50 treesize of output 24 [2024-12-16 23:19:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 20 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:19:20,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:19:24,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:19:24,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 90 treesize of output 294 [2024-12-16 23:19:26,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:19:26,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 147 treesize of output 423 [2024-12-16 23:19:58,363 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:19:58,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 241 treesize of output 453 [2024-12-16 23:20:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 7 proven. 141 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:20:00,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716678726] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:20:00,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:20:00,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 37, 37] total 113 [2024-12-16 23:20:00,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79560266] [2024-12-16 23:20:00,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:20:00,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-12-16 23:20:00,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:20:00,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-12-16 23:20:00,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1536, Invalid=11346, Unknown=0, NotChecked=0, Total=12882 [2024-12-16 23:20:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:20:00,306 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:20:00,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 1.9385964912280702) internal successors, (221), 113 states have internal predecessors, (221), 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) [2024-12-16 23:20:00,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:00,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:00,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:00,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:00,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:00,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:00,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:20:00,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:00,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 23:20:00,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-12-16 23:20:00,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:20:00,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:20:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:20:30,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-16 23:20:30,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:20:30,584 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:20:30,584 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:20:30,584 INFO L139 ounterexampleChecker]: Examining path program with hash 1222606950, occurence #1 [2024-12-16 23:20:30,584 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:20:30,584 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:20:30,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:20:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash 283950589, now seen corresponding path program 10 times [2024-12-16 23:20:30,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:20:30,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049109140] [2024-12-16 23:20:30,585 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 23:20:30,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:20:30,607 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 23:20:30,607 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:20:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 65 proven. 150 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-16 23:20:30,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:20:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049109140] [2024-12-16 23:20:30,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049109140] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:20:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618302546] [2024-12-16 23:20:30,807 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 23:20:30,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:20:30,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:20:30,809 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:20:30,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-16 23:20:30,880 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 23:20:30,880 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:20:30,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-16 23:20:30,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:20:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 62 proven. 135 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-16 23:20:31,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:20:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 62 proven. 135 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-16 23:20:31,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618302546] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:20:31,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:20:31,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 7 [2024-12-16 23:20:31,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16822832] [2024-12-16 23:20:31,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:20:31,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-16 23:20:31,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:20:31,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-16 23:20:31,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-12-16 23:20:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:20:31,141 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:20:31,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 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) [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:20:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:20:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:20:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 23:20:31,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-16 23:20:31,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-16 23:20:31,468 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:20:31,468 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:20:31,468 INFO L139 ounterexampleChecker]: Examining path program with hash 833112002, occurence #5 [2024-12-16 23:20:31,468 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:20:31,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 23:20:31,501 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 6 treesize of output 4 [2024-12-16 23:20:31,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:20:31,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1725220618, now seen corresponding path program 1 times [2024-12-16 23:20:31,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-16 23:20:31,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068578380] [2024-12-16 23:20:31,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:20:31,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:20:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-16 23:20:31,511 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-16 23:20:31,512 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-16 23:20:31,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 31 is hopeless, skipping. [2024-12-16 23:20:31,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-16 23:20:31,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:20:31,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 55 is hopeless, skipping. [2024-12-16 23:20:31,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 67 is hopeless, skipping. [2024-12-16 23:20:31,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-16 23:20:31,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:20:31,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-16 23:20:31,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:20:31,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 83 is hopeless, skipping. [2024-12-16 23:20:31,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 115 is hopeless, skipping. [2024-12-16 23:20:31,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-16 23:20:31,512 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:20:31,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-16 23:20:31,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:20:31,512 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:20:31,512 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:20:31,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:20:31,512 INFO L85 PathProgramCache]: Analyzing trace with hash 378831269, now seen corresponding path program 11 times [2024-12-16 23:20:31,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:20:31,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795237677] [2024-12-16 23:20:31,513 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 23:20:31,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:20:31,713 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-16 23:20:31,713 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:20:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 59 proven. 378 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-16 23:20:35,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:20:35,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795237677] [2024-12-16 23:20:35,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795237677] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:20:35,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582176361] [2024-12-16 23:20:35,866 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 23:20:35,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:20:35,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:20:35,868 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:20:35,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-16 23:20:35,939 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-16 23:20:35,939 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:20:35,942 WARN L254 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 242 conjuncts are in the unsatisfiable core [2024-12-16 23:20:35,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:20:44,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:20:44,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 77 treesize of output 37 [2024-12-16 23:20:45,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:20:45,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 75 treesize of output 37 [2024-12-16 23:20:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 94 proven. 352 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:20:45,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:20:59,023 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,028 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,028 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,029 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,029 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,030 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,030 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,031 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,031 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,031 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,032 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,032 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,036 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,037 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,037 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,040 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,041 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,043 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,046 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,046 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,046 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,047 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,047 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,051 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,052 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,056 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,058 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,058 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,059 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,059 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:20:59,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:20:59,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 173 treesize of output 533 [2024-12-16 23:21:01,084 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,089 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,090 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,091 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,093 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,093 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,094 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,094 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,094 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,102 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,102 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,103 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,103 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,107 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,111 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,113 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,113 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,114 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,115 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,116 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,116 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,118 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:01,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:21:01,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 183 treesize of output 539 [2024-12-16 23:21:04,757 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,759 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,760 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,761 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,761 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,762 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,764 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,770 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,773 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,774 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,777 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,777 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,778 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,779 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,781 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,781 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,783 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,783 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,784 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,789 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,790 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,791 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,792 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:21:04,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:21:04,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 440 treesize of output 726 [2024-12-16 23:21:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 2 proven. 444 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:21:07,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582176361] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:21:07,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:21:07,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 60, 60] total 189 [2024-12-16 23:21:07,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385621884] [2024-12-16 23:21:07,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:21:07,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-12-16 23:21:07,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:21:07,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-12-16 23:21:07,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4061, Invalid=31849, Unknown=0, NotChecked=0, Total=35910 [2024-12-16 23:21:07,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:21:07,943 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:21:07,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 190 states have (on average 1.8157894736842106) internal successors, (345), 189 states have internal predecessors, (345), 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) [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:21:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:07,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-12-16 23:21:07,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:21:07,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:21:07,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-12-16 23:21:07,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 23:21:07,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 23:21:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-12-16 23:21:51,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-16 23:21:51,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-16 23:21:51,775 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:21:51,775 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:21:51,775 INFO L139 ounterexampleChecker]: Examining path program with hash 841413440, occurence #1 [2024-12-16 23:21:51,775 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:21:51,775 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:21:51,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:21:51,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1828206131, now seen corresponding path program 12 times [2024-12-16 23:21:51,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:21:51,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729977965] [2024-12-16 23:21:51,776 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 23:21:51,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:21:51,800 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-16 23:21:51,800 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:21:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 18 proven. 64 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-16 23:21:51,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:21:51,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729977965] [2024-12-16 23:21:51,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729977965] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:21:51,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147929363] [2024-12-16 23:21:51,897 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 23:21:51,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:21:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:21:51,899 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:21:51,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-16 23:21:51,962 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-16 23:21:51,962 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:21:51,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-16 23:21:51,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:21:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 18 proven. 51 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-16 23:21:52,057 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:21:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 18 proven. 51 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-16 23:21:52,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147929363] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:21:52,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:21:52,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-12-16 23:21:52,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764643544] [2024-12-16 23:21:52,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:21:52,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-16 23:21:52,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:21:52,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-16 23:21:52,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-16 23:21:52,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:21:52,192 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:21:52,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-12-16 23:21:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-12-16 23:21:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 23:21:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-12-16 23:21:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 23:21:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-12-16 23:21:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 23:21:52,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-12-16 23:21:52,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:21:52,476 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:21:52,476 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:21:52,476 INFO L139 ounterexampleChecker]: Examining path program with hash 1440272223, occurence #1 [2024-12-16 23:21:52,476 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:21:52,476 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:21:52,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:21:52,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1942025040, now seen corresponding path program 13 times [2024-12-16 23:21:52,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:21:52,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062827091] [2024-12-16 23:21:52,477 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 23:21:52,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:21:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:21:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-16 23:21:55,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:21:55,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062827091] [2024-12-16 23:21:55,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062827091] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:21:55,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223920397] [2024-12-16 23:21:55,000 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 23:21:55,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:21:55,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:21:55,002 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:21:55,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-16 23:21:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:21:55,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-12-16 23:21:55,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:21:58,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:21:58,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 113 treesize of output 65 [2024-12-16 23:22:01,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:22:01,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 115 treesize of output 67 [2024-12-16 23:22:01,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:22:01,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 33 [2024-12-16 23:22:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 39 proven. 109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 23:22:01,423 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:22:09,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:22:09,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 139 treesize of output 423 [2024-12-16 23:23:51,186 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-16 23:23:51,186 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 101 [2024-12-16 23:23:51,187 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-16 23:23:51,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-16 23:23:51,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:23:51,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-16 23:23:51,395 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-12-16 23:23:51,399 INFO L158 Benchmark]: Toolchain (without parser) took 336332.32ms. Allocated memory was 167.8MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 99.0MB in the beginning and 680.5MB in the end (delta: -581.4MB). Peak memory consumption was 938.1MB. Max. memory is 16.0GB. [2024-12-16 23:23:51,399 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:23:51,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.96ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 97.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:23:51,399 INFO L158 Benchmark]: Boogie Preprocessor took 14.27ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 96.3MB in the end (delta: 901.8kB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:23:51,400 INFO L158 Benchmark]: RCFGBuilder took 222.94ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 84.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-16 23:23:51,400 INFO L158 Benchmark]: TraceAbstraction took 336073.11ms. Allocated memory was 167.8MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 84.3MB in the beginning and 680.5MB in the end (delta: -596.2MB). Peak memory consumption was 929.7MB. Max. memory is 16.0GB. [2024-12-16 23:23:51,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 16.96ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 97.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 14.27ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 96.3MB in the end (delta: 901.8kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 222.94ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 84.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 336073.11ms. Allocated memory was 167.8MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 84.3MB in the beginning and 680.5MB in the end (delta: -596.2MB). Peak memory consumption was 929.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...