/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 false --traceabstraction.commutativity.condition.synthesis NONE -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.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 17:06:04,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 17:06:04,472 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 17:06:04,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 17:06:04,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 17:06:04,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 17:06:04,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 17:06:04,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 17:06:04,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 17:06:04,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 17:06:04,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 17:06:04,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 17:06:04,492 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 17:06:04,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 17:06:04,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 17:06:04,492 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 17:06:04,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 17:06:04,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 17:06:04,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 17:06:04,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 17:06:04,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 17:06:04,501 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 17:06:04,501 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 -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-22 17:06:04,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 17:06:04,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 17:06:04,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 17:06:04,731 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 17:06:04,731 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 17:06:04,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2025-01-22 17:06:04,733 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2025-01-22 17:06:04,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 17:06:04,752 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 17:06:04,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 17:06:04,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 17:06:04,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 17:06:04,760 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 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,765 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 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,769 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 17:06:04,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 17:06:04,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 17:06:04,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 17:06:04,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 17:06:04,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,781 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 17:06:04,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 17:06:04,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 17:06:04,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 17:06:04,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/1) ... [2025-01-22 17:06:04,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 17:06:04,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:06:04,812 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 17:06:04,820 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 17:06:04,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 17:06:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 17:06:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 17:06:04,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 17:06:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 17:06:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 17:06:04,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 17:06:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 17:06:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 17:06:04,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 17:06:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 17:06:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 17:06:04,836 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 17:06:04,870 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 17:06:04,871 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 17:06:04,953 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 17:06:04,953 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 17:06:04,985 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 17:06:04,985 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 17:06:04,986 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 05:06:04 BoogieIcfgContainer [2025-01-22 17:06:04,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 17:06:04,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 17:06:04,988 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 17:06:04,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 17:06:04,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:06:04" (1/2) ... [2025-01-22 17:06:04,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159388ec and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 05:06:04, skipping insertion in model container [2025-01-22 17:06:04,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 05:06:04" (2/2) ... [2025-01-22 17:06:04,994 INFO L128 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2025-01-22 17:06:05,005 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 17:06:05,006 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. [2025-01-22 17:06:05,006 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 17:06:05,046 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 17:06:05,080 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 17:06:05,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 17:06:05,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:06:05,082 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 17:06:05,082 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 17:06:05,124 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 17:06:05,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 17:06:05,136 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;@7be08693, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 17:06:05,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 17:06:05,281 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 17:06:05,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:06:05,286 INFO L85 PathProgramCache]: Analyzing trace with hash 810557708, now seen corresponding path program 1 times [2025-01-22 17:06:05,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:06:05,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980305276] [2025-01-22 17:06:05,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 17:06:05,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:06:05,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 17:06:05,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 17:06:05,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 17:06:05,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:06:05,449 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 17:06:05,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 17:06:05,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980305276] [2025-01-22 17:06:05,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980305276] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 17:06:05,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 17:06:05,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 17:06:05,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474325623] [2025-01-22 17:06:05,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 17:06:05,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 17:06:05,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 17:06:05,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 17:06:05,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 17:06:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:06:05,467 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 17:06:05,468 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 17:06:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:06:05,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:06:05,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 17:06:05,507 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 17:06:05,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:06:05,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1772149586, now seen corresponding path program 1 times [2025-01-22 17:06:05,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:06:05,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3148243] [2025-01-22 17:06:05,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 17:06:05,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:06:05,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 17:06:05,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 17:06:05,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 17:06:05,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:06:06,108 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 17:06:06,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 17:06:06,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3148243] [2025-01-22 17:06:06,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3148243] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 17:06:06,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828544392] [2025-01-22 17:06:06,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 17:06:06,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 17:06:06,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:06:06,111 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 17:06:06,112 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 17:06:06,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 17:06:06,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 17:06:06,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 17:06:06,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:06:06,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-22 17:06:06,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 17:06:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:06:06,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:06:06,541 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:06:06,541 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 17:06:06,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:06:06,575 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 17:06:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:06:06,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:06:06,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:06:06,592 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 17:06:06,674 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 17:06:06,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 17:06:06,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:06:06,866 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 17:06:06,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:06:06,974 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 17:06:07,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:06:07,067 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 17:07:07,677 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 17:07:07,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828544392] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 17:07:07,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 17:07:07,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2025-01-22 17:07:07,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908636355] [2025-01-22 17:07:07,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 17:07:07,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-22 17:07:07,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 17:07:07,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-22 17:07:07,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2025-01-22 17:07:07,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:07:07,680 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 17:07:07,681 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 17:07:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:07:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:07:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:07:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 17:07:08,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-22 17:07:08,561 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 17:07:08,561 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 17:07:08,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:07:08,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1410625756, now seen corresponding path program 2 times [2025-01-22 17:07:08,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:07:08,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809280869] [2025-01-22 17:07:08,562 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 17:07:08,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:07:08,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 17:07:08,574 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 17:07:08,574 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 17:07:08,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:07:08,696 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 17:07:08,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 17:07:08,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809280869] [2025-01-22 17:07:08,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809280869] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 17:07:08,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290612546] [2025-01-22 17:07:08,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 17:07:08,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 17:07:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:07:08,699 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 17:07:08,700 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 17:07:08,720 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 17:07:08,730 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 17:07:08,731 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 17:07:08,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:07:08,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-22 17:07:08,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 17:07:08,870 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 17:07:08,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 17:07:09,056 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 17:07:09,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290612546] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 17:07:09,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 17:07:09,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2025-01-22 17:07:09,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620373753] [2025-01-22 17:07:09,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 17:07:09,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-22 17:07:09,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 17:07:09,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-22 17:07:09,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2025-01-22 17:07:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:07:09,058 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 17:07:09,058 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 17:07:09,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:07:09,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-22 17:07:09,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:07:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:07:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 17:07:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-22 17:07:09,510 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 17:07:09,707 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 17:07:09,707 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 17:07:09,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:07:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1730404130, now seen corresponding path program 3 times [2025-01-22 17:07:09,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:07:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578877461] [2025-01-22 17:07:09,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 17:07:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:07:09,711 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 4 equivalence classes. [2025-01-22 17:07:09,727 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 40 of 40 statements. [2025-01-22 17:07:09,727 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 17:07:09,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:07:10,598 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 17:07:10,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 17:07:10,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578877461] [2025-01-22 17:07:10,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578877461] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 17:07:10,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915167592] [2025-01-22 17:07:10,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 17:07:10,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 17:07:10,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:07:10,600 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 17:07:10,601 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 17:07:10,618 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 4 equivalence classes. [2025-01-22 17:07:10,629 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 40 of 40 statements. [2025-01-22 17:07:10,629 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 17:07:10,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:07:10,630 WARN L254 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-01-22 17:07:10,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 17:07:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,855 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,858 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:11,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,860 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:11,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,865 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:11,868 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 17:07:12,212 INFO L349 Elim1Store]: treesize reduction 574, result has 39.3 percent of original size [2025-01-22 17:07:12,212 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 17:07:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,236 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,239 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,243 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:07:12,248 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:12,248 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 17:07:12,374 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 17:07:12,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 17:07:23,286 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,287 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,289 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,293 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,297 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,299 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,300 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,301 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,303 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,305 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,307 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,308 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,309 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,310 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,313 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,316 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,318 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,319 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,321 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,323 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,325 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,329 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,333 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,335 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,336 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,337 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,340 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,345 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,347 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,349 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:23,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:07:23,662 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 17:07:25,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:07:25,077 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 17:07:25,195 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,195 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,199 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,202 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,206 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,206 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,207 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,208 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,210 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,212 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,214 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,215 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,216 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,216 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,218 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,220 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,222 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,223 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,225 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,227 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,230 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,233 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,236 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,238 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,244 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,245 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,247 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,252 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,254 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:25,258 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 17:07:26,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:07:26,091 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 17:08:11,898 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 17:08:11,898 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 17:08:11,899 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2025-01-22 17:08:11,904 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 17:08:12,099 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 17:08:12,109 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 17:08:12,110 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$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 62 more [2025-01-22 17:08:12,118 INFO L158 Benchmark]: Toolchain (without parser) took 127360.86ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 81.5MB in the beginning and 994.0MB in the end (delta: -912.6MB). Peak memory consumption was 891.0MB. Max. memory is 16.0GB. [2025-01-22 17:08:12,118 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 17:08:12,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 17:08:12,118 INFO L158 Benchmark]: Boogie Preprocessor took 14.69ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 746.9kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 17:08:12,118 INFO L158 Benchmark]: RCFGBuilder took 198.66ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 17:08:12,119 INFO L158 Benchmark]: TraceAbstraction took 127124.37ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 67.5MB in the beginning and 994.0MB in the end (delta: -926.5MB). Peak memory consumption was 882.6MB. Max. memory is 16.0GB. [2025-01-22 17:08:12,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 19.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 14.69ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 746.9kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 198.66ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 127124.37ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 67.5MB in the beginning and 994.0MB in the end (delta: -926.5MB). Peak memory consumption was 882.6MB. 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...