/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 NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 01:27:09,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 01:27:09,524 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 [2024-12-17 01:27:09,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 01:27:09,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 01:27:09,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 01:27:09,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 01:27:09,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 01:27:09,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 01:27:09,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 01:27:09,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 01:27:09,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 01:27:09,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 01:27:09,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 01:27:09,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 01:27:09,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 01:27:09,548 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 01:27:09,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 01:27:09,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 01:27:09,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 01:27:09,744 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-17 01:27:09,745 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-17 01:27:09,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2024-12-17 01:27:09,746 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2024-12-17 01:27:09,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 01:27:09,768 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-17 01:27:09,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 01:27:09,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 01:27:09,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 01:27:09,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,784 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-17 01:27:09,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 01:27:09,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 01:27:09,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 01:27:09,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 01:27:09,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,792 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 01:27:09,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 01:27:09,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 01:27:09,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 01:27:09,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/1) ... [2024-12-17 01:27:09,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 01:27:09,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:27:09,824 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) [2024-12-17 01:27:09,826 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 [2024-12-17 01:27:09,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-17 01:27:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 01:27:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 01:27:09,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-17 01:27:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 01:27:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 01:27:09,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-17 01:27:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 01:27:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 01:27:09,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-17 01:27:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 01:27:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 01:27:09,844 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 01:27:09,881 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 01:27:09,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 01:27:09,939 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 01:27:09,939 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 01:27:09,958 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 01:27:09,958 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 01:27:09,959 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:27:09 BoogieIcfgContainer [2024-12-17 01:27:09,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 01:27:09,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 01:27:09,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 01:27:09,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 01:27:09,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:27:09" (1/2) ... [2024-12-17 01:27:09,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31105f90 and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:27:09, skipping insertion in model container [2024-12-17 01:27:09,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:27:09" (2/2) ... [2024-12-17 01:27:09,965 INFO L128 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2024-12-17 01:27:09,974 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 01:27:09,975 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dot-product.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-17 01:27:09,976 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 01:27:10,009 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-17 01:27:10,045 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 01:27:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 01:27:10,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:27:10,050 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) [2024-12-17 01:27:10,050 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 [2024-12-17 01:27:10,095 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 01:27:10,108 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 01:27:10,112 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;@512368b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 01:27:10,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-17 01:27:10,229 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)] === [2024-12-17 01:27:10,229 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:27:10,229 INFO L139 ounterexampleChecker]: Examining path program with hash 464764640, occurence #1 [2024-12-17 01:27:10,229 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:27:10,229 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:27:10,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:27:10,235 INFO L85 PathProgramCache]: Analyzing trace with hash 810557708, now seen corresponding path program 1 times [2024-12-17 01:27:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:27:10,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904484038] [2024-12-17 01:27:10,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 01:27:10,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:27:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 01:27:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:27:10,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:27:10,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904484038] [2024-12-17 01:27:10,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904484038] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:27:10,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:27:10,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 01:27:10,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070856884] [2024-12-17 01:27:10,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:27:10,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 01:27:10,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:27:10,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 01:27:10,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 01:27:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:27:10,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:27:10,450 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) [2024-12-17 01:27:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:27:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:27:10,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 01:27:10,499 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)] === [2024-12-17 01:27:10,499 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:27:10,499 INFO L139 ounterexampleChecker]: Examining path program with hash -1504241846, occurence #1 [2024-12-17 01:27:10,499 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:27:10,499 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:27:10,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:27:10,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1772149586, now seen corresponding path program 1 times [2024-12-17 01:27:10,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:27:10,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105831906] [2024-12-17 01:27:10,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 01:27:10,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:27:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 01:27:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:27:11,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:27:11,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105831906] [2024-12-17 01:27:11,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105831906] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 01:27:11,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088102157] [2024-12-17 01:27:11,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 01:27:11,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:27:11,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:27:11,184 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) [2024-12-17 01:27:11,185 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 [2024-12-17 01:27:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 01:27:11,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-17 01:27:11,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 01:27:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:27:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:27:11,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:27:11,618 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 [2024-12-17 01:27:11,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:27:11,661 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 [2024-12-17 01:27:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:27:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:27:11,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:27:11,682 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 [2024-12-17 01:27:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:27:11,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 01:27:11,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:27:11,993 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 [2024-12-17 01:27:12,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:27:12,106 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 [2024-12-17 01:27:12,208 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:27:12,209 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 [2024-12-17 01:28:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:28:16,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088102157] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 01:28:16,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 01:28:16,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-12-17 01:28:16,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200318947] [2024-12-17 01:28:16,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 01:28:16,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 01:28:16,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:28:16,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 01:28:16,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-12-17 01:28:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:28:16,343 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:28:16,343 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) [2024-12-17 01:28:16,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:28:16,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:28:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:28:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 01:28:17,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 01:28:17,233 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 [2024-12-17 01:28:17,233 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)] === [2024-12-17 01:28:17,233 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:28:17,233 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #1 [2024-12-17 01:28:17,233 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:28:17,233 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:28:17,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:28:17,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1410625756, now seen corresponding path program 2 times [2024-12-17 01:28:17,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:28:17,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017828258] [2024-12-17 01:28:17,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 01:28:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:28:17,245 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 01:28:17,245 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:28:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:28:17,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:28:17,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017828258] [2024-12-17 01:28:17,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017828258] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 01:28:17,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368765923] [2024-12-17 01:28:17,372 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 01:28:17,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:28:17,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:28:17,375 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) [2024-12-17 01:28:17,375 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 [2024-12-17 01:28:17,406 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 01:28:17,406 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:28:17,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 01:28:17,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 01:28:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:28:17,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 01:28:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:28:17,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368765923] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 01:28:17,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 01:28:17,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2024-12-17 01:28:17,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665562026] [2024-12-17 01:28:17,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 01:28:17,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-17 01:28:17,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:28:17,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-17 01:28:17,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-12-17 01:28:17,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:28:17,703 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:28:17,703 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) [2024-12-17 01:28:17,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:28:17,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 01:28:17,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:28:18,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:28:18,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 01:28:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 01:28:18,185 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 [2024-12-17 01:28:18,379 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 [2024-12-17 01:28:18,379 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)] === [2024-12-17 01:28:18,379 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:28:18,379 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #2 [2024-12-17 01:28:18,379 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 01:28:18,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 01:28:18,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 01:28:18,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 01:28:18,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 01:28:18,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 01:28:18,380 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 01:28:18,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-17 01:28:18,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 01:28:18,380 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 01:28:18,380 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:28:18,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:28:18,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1730404130, now seen corresponding path program 3 times [2024-12-17 01:28:18,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:28:18,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812822949] [2024-12-17 01:28:18,381 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 01:28:18,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:28:18,400 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 01:28:18,401 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:28:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:28:19,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:28:19,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812822949] [2024-12-17 01:28:19,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812822949] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 01:28:19,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441960663] [2024-12-17 01:28:19,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 01:28:19,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:28:19,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:28:19,261 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) [2024-12-17 01:28:19,262 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 [2024-12-17 01:28:19,290 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 01:28:19,290 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:28:19,291 WARN L254 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-17 01:28:19,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 01:28:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,514 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,517 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,520 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,527 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 [2024-12-17 01:28:20,898 INFO L349 Elim1Store]: treesize reduction 574, result has 39.3 percent of original size [2024-12-17 01:28:20,898 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 [2024-12-17 01:28:20,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,923 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,927 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 01:28:20,935 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:20,936 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 [2024-12-17 01:28:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:28:21,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 01:28:32,890 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,890 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,895 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,897 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,897 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,898 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,898 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,899 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,901 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,902 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,902 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,903 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,903 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,905 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,906 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,908 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,908 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,910 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,911 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,912 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,915 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,918 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,921 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,923 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,925 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,930 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,932 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:32,934 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:33,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:28:33,226 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 [2024-12-17 01:28:34,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:28:34,512 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 [2024-12-17 01:28:34,625 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,626 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,629 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,632 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,636 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,637 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,637 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,638 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,639 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,642 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,645 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,646 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,647 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,649 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,652 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,652 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,654 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,656 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,660 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,663 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,666 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,669 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,674 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,675 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,676 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,682 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,684 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:34,689 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 01:28:35,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:28:35,438 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 [2024-12-17 01:29:17,845 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") [2024-12-17 01:29:17,845 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 [2024-12-17 01:29:17,846 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-17 01:29:17,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 01:29:18,046 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 [2024-12-17 01:29:18,051 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 [2024-12-17 01:29:18,052 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$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-12-17 01:29:18,057 INFO L158 Benchmark]: Toolchain (without parser) took 128288.72ms. Allocated memory was 226.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 145.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 912.9MB. Max. memory is 16.0GB. [2024-12-17 01:29:18,058 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-17 01:29:18,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.97ms. Allocated memory is still 226.5MB. Free memory was 145.5MB in the beginning and 144.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-17 01:29:18,058 INFO L158 Benchmark]: Boogie Preprocessor took 10.52ms. Allocated memory is still 226.5MB. Free memory was 144.3MB in the beginning and 143.7MB in the end (delta: 549.0kB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-17 01:29:18,058 INFO L158 Benchmark]: RCFGBuilder took 162.34ms. Allocated memory is still 226.5MB. Free memory was 143.7MB in the beginning and 132.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-17 01:29:18,058 INFO L158 Benchmark]: TraceAbstraction took 128095.84ms. Allocated memory was 226.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 132.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 896.1MB. Max. memory is 16.0GB. [2024-12-17 01:29:18,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 15.97ms. Allocated memory is still 226.5MB. Free memory was 145.5MB in the beginning and 144.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * Boogie Preprocessor took 10.52ms. Allocated memory is still 226.5MB. Free memory was 144.3MB in the beginning and 143.7MB in the end (delta: 549.0kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 162.34ms. Allocated memory is still 226.5MB. Free memory was 143.7MB in the beginning and 132.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 128095.84ms. Allocated memory was 226.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 132.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 896.1MB. 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...