/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 23:18:10,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 23:18:11,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 23:18:11,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 23:18:11,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 23:18:11,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 23:18:11,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 23:18:11,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 23:18:11,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 23:18:11,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 23:18:11,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 23:18:11,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 23:18:11,080 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 23:18:11,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 23:18:11,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 23:18:11,082 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 23:18:11,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 23:18:11,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 23:18:11,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 23:18:11,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 23:18:11,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 23:18:11,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 23:18:11,083 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 23:18:11,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 23:18:11,083 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 23:18:11,083 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 23:18:11,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 23:18:11,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 23:18:11,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 23:18:11,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 23:18:11,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 23:18:11,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 23:18:11,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 23:18:11,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 23:18:11,085 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 23:18:11,085 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 23:18:11,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-22 23:18:11,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 23:18:11,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 23:18:11,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 23:18:11,405 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 23:18:11,406 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 23:18:11,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2025-01-22 23:18:11,407 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2025-01-22 23:18:11,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 23:18:11,426 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 23:18:11,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 23:18:11,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 23:18:11,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 23:18:11,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,451 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 23:18:11,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 23:18:11,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 23:18:11,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 23:18:11,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 23:18:11,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,463 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 23:18:11,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 23:18:11,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 23:18:11,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 23:18:11,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/1) ... [2025-01-22 23:18:11,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 23:18:11,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:18:11,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 23:18:11,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 23:18:11,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 23:18:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 23:18:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 23:18:11,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 23:18:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 23:18:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 23:18:11,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 23:18:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 23:18:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 23:18:11,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 23:18:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 23:18:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 23:18:11,540 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 23:18:11,583 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 23:18:11,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 23:18:11,667 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 23:18:11,667 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 23:18:11,711 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 23:18:11,711 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 23:18:11,711 INFO L201 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 11:18:11 BoogieIcfgContainer [2025-01-22 23:18:11,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 23:18:11,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 23:18:11,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 23:18:11,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 23:18:11,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:18:11" (1/2) ... [2025-01-22 23:18:11,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410c456f and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 11:18:11, skipping insertion in model container [2025-01-22 23:18:11,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 11:18:11" (2/2) ... [2025-01-22 23:18:11,719 INFO L128 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2025-01-22 23:18:11,728 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 23:18:11,729 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dot-product-array.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 23:18:11,729 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 23:18:11,765 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 23:18:11,808 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 23:18:11,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 23:18:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:18:11,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 23:18:11,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 23:18:11,856 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 23:18:11,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 23:18:11,874 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;@15531053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 23:18:11,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 23:18:12,049 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)] === [2025-01-22 23:18:12,050 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:18:12,050 INFO L139 ounterexampleChecker]: Examining path program with hash 464764640, occurence #1 [2025-01-22 23:18:12,050 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:18:12,050 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:18:12,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:18:12,054 INFO L85 PathProgramCache]: Analyzing trace with hash 810557708, now seen corresponding path program 1 times [2025-01-22 23:18:12,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:18:12,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142935293] [2025-01-22 23:18:12,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:18:12,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:18:12,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 23:18:12,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 23:18:12,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:18:12,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:18:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:18:12,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:18:12,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142935293] [2025-01-22 23:18:12,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142935293] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 23:18:12,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 23:18:12,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 23:18:12,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937721191] [2025-01-22 23:18:12,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 23:18:12,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 23:18:12,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:18:12,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 23:18:12,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 23:18:12,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:18:12,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:18:12,313 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) [2025-01-22 23:18:12,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:18:12,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:18:12,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 23:18:12,375 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)] === [2025-01-22 23:18:12,375 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:18:12,375 INFO L139 ounterexampleChecker]: Examining path program with hash -1504241846, occurence #1 [2025-01-22 23:18:12,375 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:18:12,375 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:18:12,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:18:12,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1772149586, now seen corresponding path program 1 times [2025-01-22 23:18:12,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:18:12,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334515814] [2025-01-22 23:18:12,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:18:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:18:12,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 23:18:12,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 23:18:12,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:18:12,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:18:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:18:13,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:18:13,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334515814] [2025-01-22 23:18:13,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334515814] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:18:13,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132036395] [2025-01-22 23:18:13,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:18:13,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:18:13,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:18:13,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 23:18:13,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 23:18:13,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 23:18:13,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 23:18:13,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:18:13,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:18:13,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-22 23:18:13,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:18:13,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:18:13,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:18:13,796 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:18:13,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 57 [2025-01-22 23:18:13,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:18:13,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 49 treesize of output 109 [2025-01-22 23:18:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:18:13,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:18:13,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:18:13,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 100 [2025-01-22 23:18:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:18:13,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:18:14,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:18:14,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 71 treesize of output 158 [2025-01-22 23:18:14,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:18:14,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 267 [2025-01-22 23:18:14,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:18:14,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 256 treesize of output 270 [2025-01-22 23:19:24,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:19:24,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132036395] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:19:24,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:19:24,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2025-01-22 23:19:24,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066185611] [2025-01-22 23:19:24,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:19:24,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-22 23:19:24,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:19:24,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-22 23:19:24,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2025-01-22 23:19:24,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:19:24,711 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:19:24,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 23:19:24,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:19:24,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:19:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:19:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 23:19:25,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-22 23:19:25,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:19:25,679 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)] === [2025-01-22 23:19:25,679 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:19:25,680 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #1 [2025-01-22 23:19:25,680 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:19:25,680 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:19:25,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:19:25,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1410625756, now seen corresponding path program 2 times [2025-01-22 23:19:25,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:19:25,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666208920] [2025-01-22 23:19:25,681 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:19:25,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:19:25,689 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 23:19:25,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 23:19:25,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:19:25,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:19:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:19:25,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:19:25,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666208920] [2025-01-22 23:19:25,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666208920] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:19:25,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170299853] [2025-01-22 23:19:25,898 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:19:25,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:19:25,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:19:25,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 23:19:25,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 23:19:25,930 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 23:19:25,944 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 23:19:25,944 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:19:25,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:19:25,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-22 23:19:25,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:19:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:19:26,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:19:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:19:26,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170299853] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:19:26,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:19:26,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2025-01-22 23:19:26,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521437052] [2025-01-22 23:19:26,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:19:26,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-22 23:19:26,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:19:26,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-22 23:19:26,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2025-01-22 23:19:26,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:19:26,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:19:26,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 27 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 23:19:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:19:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-22 23:19:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:19:26,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:19:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 23:19:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-22 23:19:26,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 23:19:27,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:19:27,096 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)] === [2025-01-22 23:19:27,096 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:19:27,096 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #2 [2025-01-22 23:19:27,096 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:19:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-22 23:19:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:19:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 23:19:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:19:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-22 23:19:27,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:19:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-22 23:19:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:19:27,098 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:19:27,098 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:19:27,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:19:27,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1730404130, now seen corresponding path program 3 times [2025-01-22 23:19:27,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:19:27,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069456354] [2025-01-22 23:19:27,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:19:27,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:19:27,104 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 4 equivalence classes. [2025-01-22 23:19:27,147 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 40 of 40 statements. [2025-01-22 23:19:27,147 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 23:19:27,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:19:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:19:28,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:19:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069456354] [2025-01-22 23:19:28,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069456354] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:19:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650226921] [2025-01-22 23:19:28,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:19:28,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:19:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:19:28,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 23:19:28,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 23:19:28,318 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 4 equivalence classes. [2025-01-22 23:19:28,332 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 40 of 40 statements. [2025-01-22 23:19:28,332 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 23:19:28,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:19:28,334 WARN L254 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-01-22 23:19:28,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:19:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,886 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,891 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:29,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,895 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:29,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,902 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:29,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 113 [2025-01-22 23:19:30,326 INFO L349 Elim1Store]: treesize reduction 574, result has 39.3 percent of original size [2025-01-22 23:19:30,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 113 treesize of output 391 [2025-01-22 23:19:30,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,357 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:30,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,361 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:30,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,366 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:30,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 23:19:30,373 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:30,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 308 [2025-01-22 23:19:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:19:30,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:19:43,015 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,016 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,017 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,021 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,024 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,025 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,025 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,026 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,027 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,029 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,030 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,032 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,034 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,036 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,038 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,038 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,040 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,041 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,043 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,046 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,053 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,056 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,057 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,058 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,060 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,071 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,073 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,075 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:43,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:19:43,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 46 case distinctions, treesize of input 167 treesize of output 556 [2025-01-22 23:19:44,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:19:44,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 121 treesize of output 1619 [2025-01-22 23:19:45,003 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,004 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,009 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,014 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,018 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,019 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,020 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,021 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,023 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,026 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,029 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,030 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,031 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,031 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,034 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,037 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,040 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,041 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,044 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,047 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,051 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,054 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,058 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,060 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,067 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,067 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,070 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,076 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,079 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,083 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:19:45,088 INFO L224 Elim1Store]: Index analysis took 101 ms [2025-01-22 23:19:45,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:19:45,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 46 case distinctions, treesize of input 1600 treesize of output 1436 [2025-01-22 23:20:30,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2025-01-22 23:20:30,704 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") [2025-01-22 23:20:30,705 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2025-01-22 23:20:30,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-22 23:20:30,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:20:30,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 23:20:30,912 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.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584) 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$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 62 more [2025-01-22 23:20:30,920 INFO L158 Benchmark]: Toolchain (without parser) took 139490.14ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 79.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2025-01-22 23:20:30,920 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:20:30,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.59ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:20:30,921 INFO L158 Benchmark]: Boogie Preprocessor took 19.14ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 77.0MB in the end (delta: 714.4kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:20:30,921 INFO L158 Benchmark]: RCFGBuilder took 238.65ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 95.2MB in the end (delta: -18.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.0GB. [2025-01-22 23:20:30,921 INFO L158 Benchmark]: TraceAbstraction took 139202.63ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 94.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2025-01-22 23:20:30,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.59ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 19.14ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 77.0MB in the end (delta: 714.4kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 238.65ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 95.2MB in the end (delta: -18.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.0GB. * TraceAbstraction took 139202.63ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 94.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. 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...