/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 23:30:19,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 23:30:19,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-16 23:30:19,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 23:30:19,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 23:30:19,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 23:30:19,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 23:30:19,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 23:30:19,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 23:30:19,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 23:30:19,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 23:30:19,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 23:30:19,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 23:30:19,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:30:19,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 23:30:19,390 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 23:30:19,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-16 23:30:19,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 23:30:19,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 23:30:19,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 23:30:19,600 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 23:30:19,601 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 23:30:19,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2024-12-16 23:30:19,602 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2024-12-16 23:30:19,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 23:30:19,619 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 23:30:19,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 23:30:19,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 23:30:19,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 23:30:19,626 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 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,630 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 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,634 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 23:30:19,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 23:30:19,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 23:30:19,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 23:30:19,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 23:30:19,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,642 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 23:30:19,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 23:30:19,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 23:30:19,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 23:30:19,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/1) ... [2024-12-16 23:30:19,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:30:19,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:30:19,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-16 23:30:19,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-16 23:30:19,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 23:30:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 23:30:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 23:30:19,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 23:30:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 23:30:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 23:30:19,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 23:30:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 23:30:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 23:30:19,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-16 23:30:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-16 23:30:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-16 23:30:19,689 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-16 23:30:19,722 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 23:30:19,723 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 23:30:19,796 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 23:30:19,796 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 23:30:19,824 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 23:30:19,824 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-16 23:30:19,825 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:30:19 BoogieIcfgContainer [2024-12-16 23:30:19,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 23:30:19,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 23:30:19,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 23:30:19,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 23:30:19,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:30:19" (1/2) ... [2024-12-16 23:30:19,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f36e83f and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:30:19, skipping insertion in model container [2024-12-16 23:30:19,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:30:19" (2/2) ... [2024-12-16 23:30:19,832 INFO L128 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2024-12-16 23:30:19,843 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 23:30:19,844 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. [2024-12-16 23:30:19,844 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 23:30:19,883 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-16 23:30:19,922 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:30:19,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 23:30:19,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:30:19,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-16 23:30:19,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-16 23:30:19,973 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 23:30:19,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 23:30:19,991 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;@1fd649f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:30:19,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-16 23:30:20,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:30:20,122 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:30:20,122 INFO L139 ounterexampleChecker]: Examining path program with hash 464764640, occurence #1 [2024-12-16 23:30:20,122 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:30:20,122 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:30:20,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:30:20,125 INFO L85 PathProgramCache]: Analyzing trace with hash 810557708, now seen corresponding path program 1 times [2024-12-16 23:30:20,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:30:20,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582847233] [2024-12-16 23:30:20,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:30:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:30:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:30:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:30:20,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:30:20,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582847233] [2024-12-16 23:30:20,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582847233] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:30:20,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 23:30:20,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 23:30:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516111263] [2024-12-16 23:30:20,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:30:20,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 23:30:20,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:30:20,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 23:30:20,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 23:30:20,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:30:20,339 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:30:20,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:30:20,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:30:20,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:30:20,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 23:30:20,390 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:30:20,390 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:30:20,391 INFO L139 ounterexampleChecker]: Examining path program with hash -1504241846, occurence #1 [2024-12-16 23:30:20,391 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:30:20,391 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:30:20,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:30:20,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1772149586, now seen corresponding path program 1 times [2024-12-16 23:30:20,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:30:20,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095176988] [2024-12-16 23:30:20,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:30:20,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:30:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:30:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:30:21,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:30:21,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095176988] [2024-12-16 23:30:21,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095176988] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:30:21,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568210899] [2024-12-16 23:30:21,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:30:21,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:30:21,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:30:21,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:30:21,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-16 23:30:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:30:21,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-16 23:30:21,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:30:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:30:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:30:21,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:30:21,557 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 [2024-12-16 23:30:21,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:30:21,594 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 [2024-12-16 23:30:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:30:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:30:21,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:30:21,611 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 [2024-12-16 23:30:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:30:21,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:30:21,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:30:21,854 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 [2024-12-16 23:30:21,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:30:21,957 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 [2024-12-16 23:30:22,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:30:22,041 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 [2024-12-16 23:31:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:31:28,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568210899] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:31:28,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:31:28,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-12-16 23:31:28,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571991992] [2024-12-16 23:31:28,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:31:28,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-16 23:31:28,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:31:28,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-16 23:31:28,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-12-16 23:31:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:31:28,723 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:31:28,723 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) [2024-12-16 23:31:28,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:31:28,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:31:29,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:31:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:31:29,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-16 23:31:29,613 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 [2024-12-16 23:31:29,614 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:31:29,614 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:31:29,614 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #1 [2024-12-16 23:31:29,614 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:31:29,614 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:31:29,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:31:29,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1410625756, now seen corresponding path program 2 times [2024-12-16 23:31:29,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:31:29,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232516899] [2024-12-16 23:31:29,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:31:29,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:31:29,629 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:31:29,629 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:31:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:31:29,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:31:29,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232516899] [2024-12-16 23:31:29,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232516899] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:31:29,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645951958] [2024-12-16 23:31:29,774 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:31:29,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:31:29,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:31:29,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:31:29,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-16 23:31:29,806 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:31:29,806 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:31:29,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-16 23:31:29,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:31:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:31:29,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:31:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:31:30,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645951958] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:31:30,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:31:30,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2024-12-16 23:31:30,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276413012] [2024-12-16 23:31:30,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:31:30,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-16 23:31:30,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:31:30,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-16 23:31:30,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-12-16 23:31:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:31:30,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:31:30,139 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) [2024-12-16 23:31:30,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:31:30,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:31:30,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:31:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:31:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:31:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-16 23:31:30,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-16 23:31:30,829 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 [2024-12-16 23:31:30,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:31:30,830 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:31:30,830 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #2 [2024-12-16 23:31:30,830 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:31:30,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-16 23:31:30,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:31:30,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-16 23:31:30,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:31:30,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-16 23:31:30,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:31:30,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-16 23:31:30,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:31:30,831 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:31:30,831 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:31:30,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:31:30,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1730404130, now seen corresponding path program 3 times [2024-12-16 23:31:30,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:31:30,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986563659] [2024-12-16 23:31:30,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:31:30,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:31:30,852 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 23:31:30,852 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:31:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:31:31,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:31:31,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986563659] [2024-12-16 23:31:31,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986563659] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:31:31,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686467643] [2024-12-16 23:31:31,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:31:31,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:31:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:31:31,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:31:31,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-16 23:31:31,860 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 23:31:31,861 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:31:31,865 WARN L254 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-16 23:31:31,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:31:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,143 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,145 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,150 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,155 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,158 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 [2024-12-16 23:31:33,543 INFO L349 Elim1Store]: treesize reduction 574, result has 39.3 percent of original size [2024-12-16 23:31:33,543 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 [2024-12-16 23:31:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,576 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,581 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,594 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:31:33,611 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:33,612 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 [2024-12-16 23:31:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:31:33,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:31:42,935 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,936 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,938 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,942 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,945 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,946 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,947 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,947 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,949 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,950 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,952 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,952 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,953 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,953 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,955 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,957 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,961 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,963 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,965 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,968 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,970 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,973 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,973 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,974 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,978 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,983 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,984 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:42,986 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:43,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:31:43,293 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 [2024-12-16 23:31:44,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:31:44,516 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 [2024-12-16 23:31:44,635 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,636 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,638 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,641 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,643 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,645 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,647 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,648 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,650 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,651 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,651 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,652 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,653 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,655 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,657 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,657 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,659 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,660 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,663 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,666 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,668 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,669 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,675 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,677 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,679 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,684 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,685 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:44,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 23:31:45,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:31:45,426 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 [2024-12-16 23:34:31,053 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-16 23:34:31,054 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-16 23:34:31,055 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 [2024-12-16 23:34:31,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-16 23:34:31,255 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 [2024-12-16 23:34:31,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-12-16 23:34:31,262 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-12-16 23:34:31,266 INFO L158 Benchmark]: Toolchain (without parser) took 251647.04ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 127.7MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2024-12-16 23:34:31,266 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:34:31,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.00ms. Allocated memory is still 201.3MB. Free memory was 127.7MB in the beginning and 126.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:34:31,267 INFO L158 Benchmark]: Boogie Preprocessor took 9.75ms. Allocated memory is still 201.3MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:34:31,267 INFO L158 Benchmark]: RCFGBuilder took 178.68ms. Allocated memory is still 201.3MB. Free memory was 125.4MB in the beginning and 114.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-16 23:34:31,267 INFO L158 Benchmark]: TraceAbstraction took 251439.44ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 113.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2024-12-16 23:34:31,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 16.00ms. Allocated memory is still 201.3MB. Free memory was 127.7MB in the beginning and 126.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 9.75ms. Allocated memory is still 201.3MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 178.68ms. Allocated memory is still 201.3MB. Free memory was 125.4MB in the beginning and 114.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 251439.44ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 113.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. 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...